Operation Manual A270-L59

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1 Operation Manual A270-L59 XAC17677 English Original Operation Manual Chapter Document-ID 1 Introduction HZTL4005_EN_E 2 Safety HZTL4024_EN_C 3 Safety data sheet XAC Product description HZTL4036_EN_H ABB Turbocharging

2 Operating limits and replacement intervals The recommended replacement intervals and the corresponding operating limits in chapter 3 are jointly defined with the enginebuilder. This information is specific to the product. Non-observance of the recommended replacement intervals and the operating limits increases the risk of unpredictable component failures.

3 Operation Manual / 1 Introduction Table of contents Page 1 / 8 Introduction 1 Introduction Purpose of the manual Symbols, definitions Storage of new turbochargers and spare parts Contact information... 8 Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

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5 Operation Manual / 1 Introduction 1 Introduction Page 3 / 8 1 Introduction 1.1 Purpose of the manual Figure 1: Serial number (01) on the rating plate This Operation Manual belongs to the turbocharger with the identical serial number (01), see chapter 3 (Safety data sheet) and the rating plate on the turbocharger. Operation Manual The Operation Manual explains the turbocharger and contains instructions for safe operation. The Operation Manual is a complement to and expansion of existing national regulations for occupational safety, accident prevention and environmental protection. Target group The Operation Manual is aimed at engineers and trained mechanics responsible for the proper operation of the engine and for the turbocharger connected to it. Availability of the Operation Manual The Operation Manual must be available where the turbocharger is used. All persons operating or working on the turbocharger must have read and fully understood the Operation Manual. Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

6 Operation Manual / 1 Introduction 1 Introduction Page 4 / Symbols, definitions Symbols The following symbols are used in this document: Shows an action. 1. Shows a numbered action. Enumeration, first level Enumeration, second level [ ] Refers to a page number Definition of Note NOTICE Note The note provides advice which facilitates the work. Definition of mandatory signs Mandatory signs show the protective equipment to be worn for a task. The mandatory signs are described in chapter Safety and must be complied with. Definition of Caution / Warning Caution and warning signs are described in chapter Safety. ABB Turbo Systems ABB Turbo Systems Ltd is identified as ABB Turbo Systems in this document. Official service stations of ABB Turbo Systems Official service stations are identified in this document as ABB Turbocharging Service Stations. They are regularly audited and certified by ABB Turbo Systems. Also see chapter Contact information [ 8]. Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

7 Operation Manual / 1 Introduction 1 Introduction Page 5 / 8 Definition of pictograms The following pictograms can occur in this document. These point out actions that must be taken in accordance with the meaning of the relevant pictogram. Pictogram Meaning Pictogram Meaning Tighten with specified torque Affix Tighten over specified tightening angle Hand-tight, tighten without tools Oil Apply screw locking paste (e.g. Loctite) Apply high-temperature grease Apply other paste in accordance with specifications Oil free, grease free and dry Measure Note Visually inspect Please note text for numbered work step. See document Dispose of in an environmentally compatible, professional way and in compliance with locally applicable regulations. Table 1: Definition of pictograms Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

8 Operation Manual / 1 Introduction 1 Introduction Page 6 / Storage of new turbochargers and spare parts Storage of new turbochargers and spare parts for up to 6 months New turbochargers and spare parts can be stored in their closed packages for 6 months from the date of delivery without additional mothballing measures, indicated by VCI label on package. Figure 2: Volatile Corrosion Inhibitor (VCI) Only dry rooms with % atmospheric humidity, in which no water condensation can form, are suitable as storage locations. Storage of new turbochargers and spare parts for more than 6 months WARNING Health protection when handling VCI VCI products are not hazardous in terms of the Ordinance on Hazardous Substances. Nevertheless, the following points must be observed when handling VCI: Observe the information in the material safety data sheet. Ensure proper space ventilation. Do not eat, drink or store food at the workplace while working with VCI. Clean hands and face after working with VCI. For more information, see Wear safety gloves to protect against mechanical hazards. Every 6 months, the following mothballing measures are required: Open package. Remove VCI corrosion protection emitter from package and replace with a new VCI corrosion protection emitter of the same kind. New VCI corrosion protection emitters can be obtained from Old VCI corrosion protection emitters must be disposed of in an environmentally compatible, professional way and in compliance with locally applicable regulations. Close package. The more tightly the package is sealed, the longer the protection duration. Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

9 Operation Manual / 1 Introduction 1 Introduction Page 7 / 8 Long-term storage of replacement turbochargers or spare parts If requested in the purchase order, the turbochargers or cartridge groups will be prepared for long-term storage. The package is equipped with a hygrometer (see illustration). Figure 3: Package with hygrometer Every 6 months, the following measures are required: Check the hygrometer (02) in the sight-glass. There is an opening (01) in the wooden crate to enable you to perform this check. If the 70% indicator field has changed colour, the maximum admissible atmospheric humidity has been exceeded. In this case, the turbocharger or cartridge group must be checked and repackaged by an ABB Turbocharging Service Station. Check the package for damage. If the package is damaged, the turbocharger or cartridge group must be checked and repackaged by an ABB Turbocharging Service Station. After every 3 years, the following steps must be carried out by an ABB Turbocharging Service Station: Checking the component Replacing the desiccant Repackaging the component. NOTICE Replacement components which are ready for operation If the 70% field of the hygrometer (02) has not changed colour and the package is not damaged, the replacement turbocharger or replacement cartridge group can be put into operation without previously having been checked by an ABB Turbocharging Service Station. Unpackaging replacement turbochargers or spare parts Once the material has been unpackaged from the VCI package, the corrosion protection is no longer effective. To prevent condensation, the temperature of the package contents must be the same as the ambient temperature. Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

10 Operation Manual / 1 Introduction 1 Introduction Page 8 / Contact information Contact information of the ABB Turbocharging Service Stations is available online. Scan the QR code to access our website. ABB Turbo Systems Ltd Bruggerstrasse 71a CH-5401 Baden Switzerland Copyright 2016 ABB. All rights reserved. HZTL4005_EN Revision E July 2016

11 Operation Manual / 2 Safety / A100-L, A200-L Table of contents Page 1 / 17 Safety 1 Safety Introduction CE conformity Definition of mandatory signs Definition of safety instructions Intended use Warning plates on the turbocharger Turbocharger rating plate Periodic check of the pressure vessels Lifting of loads Prerequisites for operation and maintenance Hazards during operation and maintenance Safe operation Safe maintenance Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

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13 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 3 / 17 1 Safety 1.1 Introduction Turbochargers manufactured by ABB reflect the state of the art. The respective safety and health protection requirements are met. This ensures safe operation of the turbocharger. Nevertheless, there may be some residual risks during operation of and work on the turbocharger which: Are caused by the turbocharger itself or its accessories. Are caused by the operating equipment used or supplies and materials. Are a consequence of insufficient compliance with safety instructions. Are a consequence of insufficient or inappropriate performance of maintenance and inspection work. The operating company is responsible for defining measures that regulate safe access to and safe handling of the turbocharger. All instructions contained in this chapter must be observed for safe and trouble-free operation of the turbocharger and during all work on the turbocharger. All further safety instructions contained and specifically identified in every chapter of this manual (Definition of safety instructions [ 4]) must also be observed. 1.2 CE conformity Information ABB turbochargers comply with the Machinery Directive 2006/42/EC and are partly completed machinery as defined by Article 2 g in this directive. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

14 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 4 / Definition of mandatory signs To be worn at all times Protective clothing Safety footwear to protect against mechanical hazard and risk of falling Table 1: Personal protective equipment to be worn at all times To be worn specific to the respective task Safety glasses Safety goggles Safety gloves to protect against - Mechanical hazard - Chemical hazard - Thermal hazard Safety helmet Respiratory mask to protect against - Dusts - Gases Ear protection Table 2: Personal protective equipment to be worn specific to the respective task 1.4 Definition of safety instructions WARNING Definition of Warning Non-compliance or inaccurate compliance with working or operating instructions indicated by this symbol and the word WARNING can lead to serious injuries to personnel and even to fatal accidents. Warning signs must always be observed. CAUTION Definition of Caution Non-compliance or inaccurate compliance with working or operating instructions indicated by this symbol and the word CAUTION can lead to serious damage to engine or property with grave consequences. Caution signs must always be observed. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

15 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 5 / Intended use Use on internal combustion engines in general ABB turbochargers are intended for turbocharging internal combustion engines. The A...-L turbochargers are designed for use on 2-stroke diesel engines. The turbocharger supplies the engine with the air volume or air/gas mixture and the associated charging pressure required for operation. The turbocharger is solely intended to be operated with a clockwise direction of rotation as viewed from the turbine end. The specific operating limits of the turbocharger were determined on the basis of information from the enginebuilder about the intended use. These data are given on the rating plate. ABB accepts no liability and rejects all warranty claims for any non-intended uses. WARNING Unapproved operation Any operation of the turbocharger outside of its operating limits can be hazardous to personnel. Only operate the turbocharger within its operating limits. Only trained personnel must operate the turbocharger. The intended use of the turbocharger includes compliance with all regulations and conditions. In particular, the following must be observed: Operation Manual Instructions of the enginebuilder State of the art The turbocharger is designed and manufactured according to the state of the art and is safe to operate. Perfect condition The turbocharger must only be used when it is in a technically flawless condition and operated in compliance with its intended use. ABB excludes any liability for damage resulting from unauthorized modifications to the turbocharger or improper operation. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

16 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 6 / Warning plates on the turbocharger Warning plates are attached to the turbocharger, which must be observed. The warning plates must always be present in the intended locations and must be legible. Figure 1: Warning plate If warning plates are not present in the intended locations or are not legible, they must be replaced with new warning plates. The necessary information can be found in the Operation Manual, Chapter 4 Product description. Turbochargers supplied to the enginebuilder without insulation must be equipped later with warning plates on the insulation. This is the responsibility of the enginebuilder. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

17 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 7 / Turbocharger rating plate Figure 2: Rating plate Operating limits 01 Turbocharger operating limits at engine overload (110 %). In test rig operation only, unless otherwise agreed with the enginebuilder. 02 Turbocharger operating limits during operation Recommended replacement intervals of turbocharger components 03 Replacement interval of plain bearings in 1000 h 04 Replacement interval of compressor in 1000 h 05 Replacement interval of turbine in 1000 h Further data 06 Customer part number 07 Designation for special design 08 Weight of turbocharger in kg 09 Turbocharger type 10 Serial number 11 Year of construction of turbocharger 12 Manufacturing plant Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

18 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 8 / 17 Explanations of the rating plate The recommended replacement intervals and the corresponding operating limits are jointly defined with the enginebuilder. This information is specific to the system. Operation above the indicated values n Bmax, t Bmax can considerably shorten the recommended replacement intervals. In such cases ABB recommends contacting the nearest ABB Turbocharging Service Station. n Mmax, t Mmax normally apply only when running at overload (110%) during trials on the engine test bed. These limit values can also be permitted during operation for special applications. Operation above n Mmax and t Mmax is not permitted. Non-observance of the recommended replacement intervals increases the risk of unpredictable component failures. Locations of the rating plates The locations of the rating plates are defined in the Operation Manual, Chapter 4 Product description. 1.8 Periodic check of the pressure vessels The pressure vessels used by ABB Turbocharging, such as those for wet or dry cleaning, are so-called "simple pressure vessels". The locally applicable legal regulations regarding periodic checks of the pressure vessels must be observed. The operating company is responsible for the safe operation of the pressure vessel. WARNING Danger due to pressure vessels The operating company must make sure the pressure vessels are in proper working condition and monitor them. Necessary repair or maintenance work must be performed promptly, and the required safety measures must be taken. Pressure equipment must not be operated if defects are present. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

19 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 9 / Lifting of loads WARNING Suspended loads Loads that are not attached according to regulations can cause injury to personnel or fatal accidents. Loads must always be fastened to properly functional lifting gear with a sufficient load limit. Pay attention to the correct attachment of loads on the crane hook. People must not stand beneath suspended loads. Wear safety gloves to protect against mechanical hazards. Wear safety helmet. Figure 3: Attachment of loads on the crane hook Figure 4: Attachment angle If there are two or more suspension points, the attachment angle of 45 must not be exceeded. This prevents excessive loading due to diagonal pull. Before looping around the components of the turbocharger, let them cool down (maximum 80 C). Attach components of the turbocharger as described in the respective action steps. Use a suitable edge guard if there are sharp edges. The assembly devices must be completely screwed in and must not unscrew during use. Use assembly devices only for the described applications. Put down dismantled components of the turbocharger in such a way that they cannot tip over. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

20 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 10 / Prerequisites for operation and maintenance Responsibility of the operating company In awareness of its responsibility, the operating company must ensure that only authorised personnel work on the turbocharger, who: Are versed in the general and locally applicable regulations for occupational safety and accident prevention Are equipped with the prescribed personal protective equipment Have read and understood the Operation Manual Have been instructed in the use of the turbocharger. The safety-conscious work of the personnel and adherence to the Operation Manual must be checked periodically. Suitable working materials and personal protective equipment must be kept in a perfect condition. Only authorised personnel may remain in the vicinity of the turbocharger when the engine is running. Competence of personnel The turbocharger must only be operated and serviced by trained and authorised personnel. Basic mechanical training is a prerequisite. Modifications to the turbocharger Modifications to the turbocharger must be approved by ABB Turbo Systems. Original parts and safety Original parts and accessories are specially designed by ABB Turbo Systems for the ABB turbochargers. WARNING Use original parts Operation of the turbocharger with non-original parts can impair the safety of the turbocharger and can cause serious damage to property and injury to personnel. Only use original parts from ABB Turbo Systems. ABB accepts no liability for any damage resulting from the use of non-original parts and corresponding accessories. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

21 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 11 / Hazards during operation and maintenance Noise hazards The noise emission during operation is influenced by its installation and operating conditions. A noise level exceeding 85 db(a) is harmful. WARNING Danger due to noise Exposure to noise can harm the hearing system, impair health and the psychological state and may lead to lack of attention and irritation. When the engine is running, always wear ear protection. Always wear ear protection if the sound pressure level exceeds 85 db(a). Wear ear protection. Hazards due to hot surfaces Surfaces of the turbocharger, attached parts and operating fluids (lubricating oil) get hot during operation. The surface temperature depends on the efficacy of the existing insulation. The temperature may rise to a level that can cause burns. WARNING Danger of burns Touching hot surfaces or contact with hot operating fluids can cause burns. Do not touch hot surfaces. Observe the warning plate on the turbocharger. Wear heat-resistant safety gloves and protective clothing. Wait for the turbocharger to cool down before carrying out any work. Wear safety gloves to protect against thermal hazards. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

22 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 12 / 17 WARNING Hot surfaces on the non-insulated turbocharger Non-insulated turbochargers can cause serious injuries to personnel (burns). The turbocharger is supplied with or without insulation in accordance with the purchase order received from the enginebuilder. If supply is without insulation, the enginebuilder is responsible for providing the turbocharger with proper insulation and for providing protection against contact with hot surfaces. Compliance with the instructions and specifications given by the enginebuilder to protect against hot turbocharger surfaces is compulsory. Wear safety gloves to protect against thermal hazards. Hazards due to rotating parts WARNING Physical hazards Contact with rotating parts can cause severe injury. The turbocharger must never be used without the filter silencer or the air suction branch. With the engine stopped, the rotor can rotate due to the stack draught alone. Operate the turbocharger in compliance with the specifications. Secure the rotor against unintentional rotation during maintenance. Wear safety gloves to protect against mechanical hazards. Hazards due to electrical installations (if present) WARNING Dangers during work on electrical installations Electrical installations use voltages that can lead to severe injury to personnel or accidents resulting in fatalities. At the same time, electrical or electronic components and parts can also be damaged or destroyed. Only specially trained personnel should perform work on, or with, electrical components. Observe national regulations. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

23 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 13 / 17 WARNING Absence of grounding on electrical installations Missing or incorrectly fitted grounding conductors can lead to severe injury to personnel or accidents resulting in fatalities. Electric shock or elevated electromagnetic disturbances can damage or destroy electrical and electronic components. Ground electrical installations in a professional manner with grounding conductors. Inspect grounding connections regularly and ensure they are properly connected. Switch off the power supply before working on electrical installations. After switching off the power supply, wait for 5 minutes until the capacitors have discharged and hot components have cooled. Make sure that the power supply is switched off while working on electrical installations. Do not carry out any tests with regard to insulation resistance or voltage on the electrical components Safe operation Mechanical hazards during operation During standard operation, no mechanical hazards are caused by the turbocharger itself if it has been properly installed. Safety during commissioning and operation Visually inspect your working environment before starting work. Remove any obstacles and objects littering the workplace. Check all pipes to and from the turbocharger for damage and leaks before commissioning. Check turbocharger for recognisable damage or defects every 12 hours of operation or at least once a day. Report any damage and any alterations of operational characteristics to the responsible department immediately. In case of damage, take the turbocharger out of operation immediately and safeguard against accidental/unauthorised use. When switching on operating energy supplies (hydraulics, pneumatics, electricity), pay attention to the risks that may occur as a consequence of this energy input. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

24 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 14 / Safe maintenance Occupational safety WARNING Injuries to persons Severe injuries to personnel or fatal accidents can be caused by mechanical influences as a consequence of hazardous and inadequate operational procedures or non-compliance with safety and health standards. When working on the turbocharger always wear safety footwear and protective clothing to protect against mechanical hazards. Keep personal protective equipment in perfect condition. Obey mandatory signs. Observe the general rules for occupational safety and prevention of accidents. Only perform operations that are described in this manual. Only perform operations for which you have received instruction or training. Wear safety footwear to protect against mechanical hazard and risk of falling. Wear protective clothing. WARNING Risk of falling When working on the turbocharger, there is a risk of falling. Do not climb onto the turbocharger or onto attached parts and do not use them as climbing aids. Use suitable climbing aids and working platforms for work above body height. Comply with the general accident prevention regulations. Only perform work on the turbocharger when you are in a physically and psychologically stable condition. Only work with tools, equipment and appliances that function properly and are suitable for the task. Power tools must be grounded and cables must be undamaged. Keep the workplace clean; clear away any loose objects and obstacles on the floor. Keep the floor, equipment, and turbocharger clean. Have oil binding agents ready and provide or keep oil pans at hand. Clean up any spills. Have fire protection means and extinguishing agents available. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

25 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 15 / 17 Welding work in the vicinity of the turbocharger When performing welding work in the vicinity of the turbocharger, always cover the filter silencer to prevent the filter mat from being damaged. Keep flammable objects and substances out of the vicinity of flying sparks. Cover all connections on the turbocharger so that no foreign objects can enter the turbocharger. Wear personal protective equipment (PPE) for welding operations. Safety during cleaning If cleaning agents or solvents are used for cleaning, the corresponding material safety data sheet and the safety instructions in section Hazards due to operating materials and supplies must be observed. Observe the material safety data sheet for the cleaning agent or solvent. Wear personal protective equipment (PPE) according to the material safety data sheet. Inspect the electric cables for abrasion and damage before and after your cleaning work. Safety during disassembly, assembly, maintenance and repair Observe the procedures for set-up, service and inspection work and the inspection intervals. Inform the operating staff before starting any service or repair work. Make sure the engine is not started while work is being conducted on the turbocharger. Before taking off any cover or removing any guard from the turbocharger, switch off the engine and wait until the turbocharger has come to a standstill. Make sure that the oil supply is interrupted, especially with an external oil supply. Only restart the engine after all parts have been properly fitted again and oil supply is ensured. CAUTION Mechanical operations on the turbocharger Components of the turbocharger can be damaged or destroyed as a result of improper procedures. Only perform operations that are described in this manual. Only perform operations for which you have received instruction or training. Safety when taking out of operation at short notice or preparing for mothballing Secure rotor against turning. The rotor can rotate due to the stack draught alone. Observe the material safety data sheet for the cleaning and mothballing agents. Wear personal protective equipment (PPE) according to the material safety data sheet. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

26 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 16 / 17 Mechanical hazards when working on the turbocharger WARNING Physical hazards due to rotating parts The rotor can rotate due to the stack draught alone. Contact with rotating parts can cause severe injury. Secure rotor against turning. WARNING Mechanical hazards Severe injuries to personnel or fatal accidents can be caused by mechanical influences as a consequence of hazardous and inadequate operational procedures. Observe the general rules for occupational safety and prevention of accidents. Ensure workplace safety. Only perform operations that are described in this document. Only perform operations for which you have previously received instruction or training. Hazards due to operating materials and supplies Operating materials and supplies are substances required for the operation of the turbocharger or for the performance of maintenance work. Oils, greases, coolants, detergents and solvents, acids and similar substances can be classified as hazardous substances. WARNING Handling operating materials and supplies Swallowing or inhaling vapours of operating materials and supplies or contact with them may be harmful to health. Do not breathe in these substances and avoid contact with the skin. Ensure proper ventilation. Observe the information in the material safety data sheet for the operating materials and supplies. Wear personal protective equipment (PPE) according to the material safety data sheet. Comply with local legislation. Wear safety goggles. Wear safety gloves to protect against chemical hazards. Wear a respiratory mask to protect against gases. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

27 Operation Manual / 2 Safety / A100-L, A200-L 1 Safety Page 17 / 17 WARNING Danger of fire or explosion Flammable and combustible operating materials and supplies can catch fire or resulting vapours can lead to an explosion. Observe the information in the material safety data sheet for the operating materials and supplies. Comply with local legislation. Do not allow any exposed flame or ignition source during cleaning work. Carry out cleaning in the open or provide sufficient ventilation. CAUTION Environmental hazard Improper handling of operating materials and supplies can lead to environmental damage. Observe the information in the material safety data sheet for the operating materials and supplies. Comply with local legislation. Hazards due to the handling of insulation materials WARNING Danger from insulation materials Dust or fibres from insulation materials can have adverse effects on the health or cause irritations. Unsuitable and combustible insulation materials are a fire hazard. Only use suitable and non-combustible insulation materials. Ensure good ventilation at the workplace. Avoid whirling up dust. Use dust-free tools and working methods. Remove package at the workplace only. Proceed with particular care when removing old insulation materials. Dispose of insulation materials properly and in an environmentally compatible manner in compliance with the legal regulations. Wear safety goggles. Wear a respiratory mask to protect against dusts. Wear safety gloves to protect against chemical hazards. Copyright 2016 ABB. All rights reserved. HZTL4024_EN Revision C August 2016

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29 Operation Manual / A270-L59 / Safety data sheet Page 1 / 1 Safety data sheet A270-L59 XAC17677 A270-L59 XAC Copyright 2017 ABB. All rights reserved. XAC17677 March 2017

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31 Table of contents Page 1 / 111 Product description 1 Introduction Essential information Registered trademarks Related documents Layout and function of the turbocharger Warning plates on the turbocharger Locations of the rating plates Removal and installation Turbocharger weight Removing the turbocharger Installing the turbocharger Commissioning Oil supply Inspection procedures Commissioning after taking out of operation Monitoring during operation Oil pressure, oil temperature Turbocharger speed Low pressure measurement at the filter silencer Operation and service Noise emission Service work Expected replacement intervals Flexible turbocharger cut-out Stopping the engine Periodic maintenance Foreword to maintenance Cleaning the filter silencer Changing the filter strip on the filter silencer casing Cleaning the compressor during operation Cleaning the turbine during operation... 46

32 Table of contents Page 2 / Draining the gas outlet casing Troubleshooting Malfunctions when starting Malfunctions during operation Surging of the turbocharger Malfunctions when stopping Speed measurement system Disassembly and assembly Introduction Weights of assemblies Disassembly and assembly of the filter silencer casing Dismantling the filter silencer Dismantling wall insert and diffuser Axial clearance A prior to disassembly Dismantling insulation, gas inlet casing and nozzle ring (A275-L and smaller) Dismantling the gas inlet casing, nozzle ring (A280-L) Fitting gas inlet casing, nozzle ring, insulation (A275-L and smaller) Fitting the gas inlet casing, nozzle ring (A280-L) Axial clearance A after assembly Fitting diffuser, wall insert Fitting the filter silencer Table of tightening torques Taking a turbocharger out of operation Possible emergency repairs Shutting off oil supply to defective turbocharger Procedure with one installed turbocharger Procedure with two or more installed turbochargers Mothballing the turbocharger Taking the engine out of operation for up to 12 months Taking the engine out of operation for more than 12 months Disposing of turbocharger components Spare parts Ordering spare parts View of turbocharger with part numbers

33 Table of contents Page 3 / View of cartridge group with part numbers Figures Tables

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35 1 Introduction Page 5 / Introduction 1.1 Essential information Design variants This document is valid for different turbocharger design variants. As a result, it might contain sections and descriptions of components that do not apply to a certain turbocharger. If you have any queries about a design variant, ABB Turbocharging Service Stations will be pleased to provide information (see Contact information at Accuracy of illustrations The illustrations in this document are general in nature and intended for ease of understanding. Differences in detail are therefore possible. 1.2 Registered trademarks The trademarks of outside companies are used in this document. These are marked with the symbol. 1.3 Related documents Chapter Operation Manual / 1 Introduction Operation Manual / 2 Safety Operation Manual / 3 Safety data sheet *) Table 1: Related documents Document number HZTL4005 HZTL4024 Serial number of the turbocharger *) This chapter is only available in serialised operation manuals.

36 1 Introduction Page 6 / Layout and function of the turbocharger Figure 1: Layout and function of the turbocharger 01 Filter silencer 08 Gas inlet casing 02 Thrust bearing 09 Bearing casing 03 Radial plain bearing 10 Diffuser 04 Radial plain bearing 11 Compressor wheel 05 Gas outlet casing 12 Compressor casing 06 Turbine wheel 13 Air-outlet silencer (option) 07 Nozzle ring

37 1 Introduction Page 7 / 111 Mode of operation The turbocharger is a turbomachine and consists of the following main components: Turbine Compressor These components are installed on a common shaft and form the rotor (see Figure 1). The exhaust gases of the internal combustion engine flow through the gas inlet casing (08) and the nozzle ring (07) onto the turbine wheel (06). The turbine wheel uses the energy contained in the exhaust gas to drive the rotor and, hence, the compressor wheel (11). The exhaust gases then reach the atmosphere through the exhaust gas pipe connected to the gas outlet casing (05). The compressor wheel (11) sucks in fresh air and presses the compressed air into the cylinder. The air passes through the filter silencer (01) to the compressor wheel (11). The air then flows through the diffuser (10) and exits the turbocharger through the compressor casing (12). An air outlet silencer (13) is optionally available. If installed, this will reduce the amount of noise generated by the components at the outlet side after the compressor casing. The rotor runs in two radial plain bearings (03/04) which are located in the bearing casing (09) between the compressor and turbine. The axial thrust bearing (02) is located on the compressor end. The plain bearings are connected to a central lubricating oil duct which is normally supplied by the lubricating oil circuit of the engine. The oil outlet always lies at the deepest point of the bearing casing (09). The turbocharger is equipped with an oil tank which is integrated in the bearing casing (9). This oil tank supplies the bearings of the rotor with oil until standstill in the event that a malfunction of the lubrication oil system causes an emergency stop of the engine.

38 Operation Manual / 4 Product description / A200-L 1 Introduction Page 8 / Warning plates on the turbocharger Warning plates are attached at the following locations: Figure 2: Warning plate locations If warning plates are not present in the designated locations or not readable, proceed as follows: Order new warning plates from ABB Turbocharging Service Stations. Remove any warning plates that have become unreadable. Clean and degrease the areas designated for the warning plates. Fit new warning plates and remove protective sheets. Turbochargers supplied to the enginebuilder without insulation must be equipped later with warning plates on the insulation. This is the responsibility of the enginebuilder. Copyright 2016 ABB. All rights reserved. HZTL4036_EN Revision H November 2016

39 1 Introduction Page 9 / Locations of the rating plates Figure 3: Locations of the rating plates One rating plate (01) each is attached on the left and the right side of the turbocharger bearing casing.

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41 2 Removal and installation Page 11 / Removal and installation 2.1 Turbocharger weight Lifting gear with a sufficient load limit must be used for removing and installing the turbocharger. The following weight specification applies to the heaviest variant possible. Depending on the specification, the weight specified on the rating plate may be lower than the standard value specified here. Weights of the complete turbocharger Product Weight [kg] A265-L 2600 A270-L 3800 A275-L 6300 A280-L 8700 Table 2: Weights A200-L with filter silencer 2.2 Removing the turbocharger WARNING Risk of tipping If the turbocharger is not sufficiently supported or not supported at all during removal and installation, it may tip over and cause severe injury to personnel or accidents resulting in fatalities. Support the turbocharger at a suitable location. Secure with lifting gear wherever possible. Wear safety helmet. Loosen cable to speed sensor. Disconnect all pipes according to the instructions of the enginebuilder. Check lifting gear. Fasten lifting gear on suspension eyes of the bearing casing and tauten.

42 2 Removal and installation Page 12 / 111 Figure 4: Fitting lifting gear to turbocharger Loosen fixing screws on compressor-end and turbine-end foot. Lift turbocharger from engine and put down in a suitable location. Cover oil connections.

43 2 Removal and installation Page 13 / Installing the turbocharger Placing the turbocharger on the bracket Figure 5: Placing the turbocharger on the bracket Remove covers from the oil connections. Align turbocharger and place on engine bracket. Tighten fixing screws (Steps for fastening the turbocharger [ 14]); while doing this, only slightly loosen the lifting gear. Remove lifting gear from suspension eyes of the bearing casing. Connect cable to speed sensor. Connect all gas, air and oil pipes.

44 2 Removal and installation Page 14 / Steps for fastening the turbocharger General information Subject Requirement / Information Turbocharger fixing elements ISO property class 8.8 Washers Hardened, thickness 15 % nominal thread diameter Dimension a (compressor end) a = height of turbocharger foot a Dimension a (turbine end) a = height of turbocharger foot F + spacer sleeve D Value b Hole in bracket Dimension c Thread length, 1.5 x nominal thread diameter Coefficient of friction 0.12 (lightly oiled) Table 3: General information about fastening the turbocharger Compressor-end foot Figure 6: Compressor-end foot Tighten the foot fixing screws or nuts diagonally according to the selected tightening method. Turbine-end foot Figure 7: Turbine-end foot Tighten the foot fixing screws or nuts according to the selected tightening method.

45 2 Removal and installation Page 15 / 111 Torque-controlled tightening Product Thread size Height a of foot [mm] Tightening torque [Nm] A265-L M A270-L M A275-L M A280-L M Table 4: Tightening torques (foot screws) Angle-controlled tightening Product Thread size Height a of foot [mm] Pre-tightening torque [Nm] Tightening angle for height a [DEG] Additional tightening angle for every 10 mm of additional screw length b [DEG] A265-L M A270-L M A275-L M A280-L M Table 5: Tightening angle (foot screws) Pinning of turbocharger feet with positioning pins If the turbocharger is pinned at its feet, one pin hole per foot must be used.

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47 3 Commissioning Page 17 / Commissioning 3.1 Oil supply Introduction In all operating states, a functioning and carefully executed oil supply is an important prerequisite for trouble-free operation of the turbocharger. The lubrication of the turbocharger is usually carried out with oil from the engine oil circulation. Follow the enginebuilder's specifications on the selection of the lubricating oil and the oil change intervals. For more information on the oil supply, refer to Chapter Oil pressure, oil temperature [ 21] Oil filtering Filtering of the lubricating oil with a filter mesh width of mm is sufficient for the turbocharger Oil pressure Comply precisely with the oil pressure before the turbocharger for trouble-free operation. If the oil pressure at the inlet of the turbocharger is too high, it can be reduced with a throttle valve. The throttle valve is normally already fitted on the turbocharger and has been correctly set by the enginebuilder. This takes place either during the trial run on the engine test bed or during the trial phase of the system. If the oil pressure values are outside the admissible range during normal operation, you must contact the enginebuilder. 3.2 Inspection procedures Introduction Inspection procedures include preventative visual controls, monitoring and measuring work before and during commissioning. Inspection procedures enable changes to the turbocharger to be detected. Engine damage can be prevented.

48 3 Commissioning Page 18 / Checks before commissioning Filter mat (if available) Check for damage and contamination. Lubricating system CAUTION Contaminated oil Serious damage to engine or property can be caused by dirt and solid material particles in the oil. At initial commissioning and after all service work, the complete lubricating system must be thoroughly flushed with warm oil. Use special running-in filters when running in the engine and after all service work on the lubricating system. Check that the oil filter is clean before commissioning. Check the oil pressure in the oil supply pipes. Warning plates Check whether warning plates are present and legible. Check whether the protective sheets have been removed Checks after commissioning (engine in idle mode) Lubricating system Check the oil pressure in the oil supply pipes. Check oil inlet temperature. The admissible values are specified in section Oil supply. Gas, air and oil pipes After starting the engine, check all gas, air and oil pipes for leaks.

49 3 Commissioning Page 19 / Checks when starting up the engine Measure the speed, oil pressure and charging pressure at various engine performance levels. Measure the exhaust gas temperature in front of and behind the turbine. Measure air temperature in front of and behind the compressor. Compare the measured values with the ones in the acceptance test report. Different operating conditions indicate a malfunction (see chapter Troubleshooting [ 51]). NOTICE Escape of oily fluids Lubricants and pastes used during assembly can liquefy or vaporise and escape as oily fluids during the initial hours of operation. Continuous escape of an oily fluid indicates an oil leak. If there is a leak, contact an ABB Turbocharging Service Station. 3.3 Commissioning after taking out of operation If present Remove cover plates (blind flanges) on the compressor casing, on the gas-inlet as well as on the gas-outlet. General Check the exhaust gas pipe before and after the turbine for combustion residues or water residues and clean it. Remove any foreign objects that may be present. Check and clean filter silencer or air supply line, and remove any foreign objects that may be present. Put engine-side oil circulation to the turbocharger into operation. Prepare the turbocharger for operation according to section "Checks before commissioning". The turbocharger is now ready for operation.

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51 4 Monitoring during operation Page 21 / Monitoring during operation 4.1 Oil pressure, oil temperature Lubricating oil pressure before turbocharger CAUTION Assuring lubricating oil pressure Serious damage to engine or property can result from missing or insufficient lubricating oil supply. The lubricating oil pressure must be monitored during operation and the necessary pressure assured at the oil inlet. Status for operation Admissible, for normal operation, with an oil temperature range at the inlet of C Admissible, for normal operation, with an oil temperature range at the inlet of C Oil pressure before turbocharger [bar] Admissible, during engine warm-up Temporarily admissible ( < 1 h ) alarm Not admissible emergency stop Admissible, during pre-lubrication and post-lubrication (engine stopped) Table 6: Lubricating oil pressure, oil inlet Lubricating oil temperature at the inlet CAUTION Machine damage If the oil temperature at the oil inlet exceeds the admissible range, this may lead to engine damage. Observe oil temperature at the oil inlet according to the following table. Status for operation Oil temperature at the inlet Toil,inlet [ C] Admissible Temporarily admissible ( < 1 h ) alarm > 85 Not admissible stop engine > 90 Not admissible do not start engine (before start: preheat oil) < 30 Table 7: Lubricating oil temperature at the inlet

52 4 Monitoring during operation Page 22 / 111 Lubricating oil temperature at the outlet The oil temperature at the outlet is mainly dependant on: Lubricating oil temperature and pressure at the oil inlet Engine load and turbocharger speed Exhaust gas temperature The maximum admissible oil temperature at the outlet is listed in the following table. The specified oil outlet temperature is to be considered as alarm value for the turbocharger operation and must be monitored according to the current regulations. Status for operation Oil temperature at the inlet Toil,inlet [ C] Oil temperature at the outlet Toil,outlet [ C] Admissible Admissible Temporarily admissible alarm 45 > 110 Temporarily admissible alarm 85 > 130 Not admissible stop engine 45 > 120 Not admissible stop engine 85 > 140 Table 8: Lubricating oil temperature at the outlet If the turbocharger was operated for a longer period of time outside of the admissible range, ABB Turbo Systems recommends to have the turbocharger inspected by an ABB Turbocharging Service Station Pre-lubrication and post-lubrication CAUTION Pre-lubrication Serious damage to engine or property can result if the turbocharger is not supplied with oil from the first moment after starting the engine. Activate the pre-lubrication device each time before starting the engine. The pre-lubrication time is at least 5 minutes. The post-lubrication time is at least 10 minutes. If the engine is operated for 5 to 10 minutes in idle mode before stopping, no additional postlubrication is required.

53 4 Monitoring during operation Page 23 / Turbocharger speed Introduction The speed of the turbocharger must be permanently monitored. CAUTION Do not use cables as a climbing aid If you pull the speed measurement cables too hard, contacts can be pulled out. Do not tension the speed measurement cables Layout and overview Figure 8: Layout and overview of the speed measurement system Speed sensor Tachometer O-ring Screw plug Cable connector Sealing disc with cams F/I converter *) Alternative mounting position for speed sensor or for the second speed sensor

54 4 Monitoring during operation Page 24 / Speed differences with several turbochargers per engine The speeds of all turbochargers on an engine vary only slightly from each other in standard operation. The difference between the highest and the lowest turbocharger speed must not be more than 3 %, relative to the speed limit n Bmax. If this permissible range of difference is exceeded, the following steps must be carried out: Reduce the engine performance immediately to the point at which the maximum turbocharger speed does not exceed 70 % of n Bmax. If the engine cannot be stopped, it can continue to be driven at this reduced engine load or turbocharger speed. If a turbocharger surges continuously, the engine performance must be reduced further. Measure the temperatures in the air lines and gas lines from and to the turbochargers and compare with normal values. If clear deviations of temperature are found, the nearest ABB Turbocharging Service Station has to be contacted. If the engine can be stopped temporarily: Inspect air lines, gas lines and the turbochargers and remedy any malfunctions. In any case, contacting the nearest ABB Turbocharging Service Station is recommended.

55 4 Monitoring during operation Page 25 / Replacing the speed sensor WARNING Hot cable connector and hot speed sensor Danger of burns. The cable connector and the speed sensor can reach temperatures of more than 100 C during operation. When disassembling the cable connector and speed sensor, wear safety gloves. Wear safety gloves to protect against thermal hazards. NOTICE Sealing of the speed sensor The speed sensor is designed with a sealing lip and does not require a sealing disc for assembly. Figure 9: Replacing the speed sensor Part number A265-L A270-L A275-L A280-L M18x Nm Table 9: Tightening torques (86505) M18x Nm M18x Nm M27x2 320 Nm Reduce the engine performance to idling and then stop the engine. Pay attention to postlubrication (Stopping the engine [ 36]). Switch off the lubricating oil supply to the turbocharger. Disconnect the cable connector from the speed sensor. Unscrew defective speed sensor. Screw in new speed sensor to the stop. Connect cable connector (86515) with the speed sensor (86505) Switch on lubricating oil supply to the turbocharger.

56 4 Monitoring during operation Page 26 / Malfunction of the speed measurement system The possible reasons for malfunction of the speed measuring system are described in chapter Troubleshooting.

57 4 Monitoring during operation Page 27 / Low pressure measurement at the filter silencer Introduction The low pressure measurement with a U-tube manometer is used for the following purposes: During acceptance test of the engine: Measurement of the correction factor for the calculation of the turbocharger efficiency When using a filter mat: An increased pressure loss indicates an increase in the fouling of the filter material U-tube manometer at the filter silencer Figure 10: U-tube manometer at the filter silencer Filter silencer U-tube manometer A [mm H2O] Pressure loss / pressure difference If the turbocharger is operated at maximum engine power and pressure loss (A) reaches the value of 200 mm H 2O: Clean filter mat. NOTICE Reading of pressure loss For simple reading of the pressure loss (A), the dipstick at the U-tube manometer can be pulled out to the level of the lower water level. Better readability of the U-tube manometer can be achieved by filling with slightly coloured water.

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59 5 Operation and service Page 29 / Operation and service 5.1 Noise emission WARNING Danger due to noise Exposure to noise can harm the hearing system, impair health and the psychological state and may lead to lack of attention and irritation. When the engine is running, always wear ear protection. Always wear ear protection if the sound pressure level exceeds 85 db(a). Wear ear protection. The emission sound pressure level (A-weighted) is measured at a distance of 1 meter from the turbocharger. The highest value of the emission sound pressure level 1) reaches a maximum of 105 db(a) near the filter silencer. The following prerequisites must be fulfilled with regard to the turbocharger to observe this limit value: Air-inlet system has been fitted All standard, noise-reducing measures 2) have been fitted Bellows at the air-outlet has been acoustically insulated by the enginebuilder (see Figure 11). The enginebuilder is responsible for insulating the charge air/scavenging air line and the charge air cooler. 1) Directive 2006/42/EC, / u / Paragraphs 5 + 7: A-weighted emission sound pressure level 2) The enginebuilder must provide acoustically equivalent measures in case of deviating insulation versions

60 5 Operation and service Page 30 / 111 Suggestion for noise insulation, bellows Figure 11: Noise insulation, bellows 01 Compressor casing 02 Bellows 03 Charge air duct / scavenging air duct 04 Insulation cushion 05 Insulation mat (at least 15 mm) 06 Sheet metal cover 5.2 Service work Service work includes visual inspections, monitoring, measuring and inspection work as well as function checks. Service work enables to detect and rectify changes to the turbocharger and ensures full operability of the turbocharger. CAUTION Service intervals Service work on the turbocharger that are omitted or performed too late can cause excessive contamination, wear and operating failures. Carry out the service work at the specified time intervals.

61 5 Operation and service Page 31 / 111 CAUTION Shortened service intervals Exceptional stresses such as several starts/stops per day, harsh environmental conditions, poor fuel quality or high system vibrations can lead to untimely machine damage even if the prescribed service intervals are observed. Agree on a shortened service interval with ABB Turbo Systems. NOTICE 5-year service inspection To prevent machine damage caused by ageing and downtime, we recommend having an inspection carried out by an ABB Turbocharger Service Station no later than 5 years after the last service Service procedures every hours CAUTION Unknown operational changes Impairment to the degree of a possible operating failure can be the consequence. Get an ABB Turbocharging Service Station to clarify unknown causes. Visual inspection for air, exhaust gas, water and oil leaks. Record operating data and enter it in the engine logbook. Clarify the cause of any variances Service work at 100 hours after commissioning Clean or replace the oil filter located in the supply pipe to the turbocharger while the engine is stopped.

62 5 Operation and service Page 32 / Service work on turbocharger every hours It is recommended to have this service work and these checks carried out by an ABB Turbocharging Service Station. Damaged and worn out parts must be replaced with original ABB parts. Remove and clean the filter silencer and check for damage. Dismantle the wall insert. Check axial clearance A. Clean compressor wheel, diffuser, wall insert and compressor casing and check for damage. Check the nozzle ring, turbine diffuser and turbine blades for any possible contamination, damage or wear using a borescope. This checking can also be carried out after disassembling the gas inlet casing. Fit the wall insert. Install the filter silencer Service work on turbocharger every hours Service work on the rotor and bearing parts must be carried out by an ABB Turbocharging Service Station. Damaged and worn out parts must be replaced with original ABB parts. Remove the filter silencer. Clean filter silencer and check for damage. Dismantle the wall insert. Check axial clearance A. Clean wall insert, diffuser and compressor casing and check for damage. Remove the gas inlet casing and dismantle the nozzle ring and cover ring. Clean the nozzle ring and cover ring and check for damage. Dismantle, inspect and balance the rotor. Replace the plain bearing Service work according to instructions of enginebuilder Clean or replace the oil filter located in the supply pipe to the turbocharger while the engine is stopped.

63 5 Operation and service Page 33 / Entries in the engine logbook The monitoring of the engine system enables conclusions to be drawn on the behaviour of the turbocharger. The following operating data and measured values must be entered regularly into the engine logbook of the enginebuilder: Performance and speed of the engine Speed of the turbocharger Air intake temperature Exhaust gas temperature before and after the turbine Pressure of the charge air Pressure loss in the charge air cooler Lubricating oil pressure and lubricating oil temperature Pressure loss in the filter silencer Air temperature after the charge air cooler If present: Air temperature after the compressor

64 5 Operation and service Page 34 / Expected replacement intervals Rotating components The recommended replacement intervals for compressor and turbine wheels are specified based on the safety concept for rotating parts (SIKO) and dependent on the operating conditions. These intervals are shown on the rating plate of the turbocharger. Non-rotating components Depending on the system-specific operating conditions, a differentiation must be made between the intervals to be expected for: replacing the bearing parts and replacing the non-rotating components exposed to hot gas. A decisive role is played by various influencing parameters which, in extreme cases, can drastically shorten the replacement interval of these parts. During the prescribed periodic service work, the individual parts are examined for wear and replaced if necessary. Expected replacement intervals [h] Turbocharger part Operation with HFO *) Gas inlet casing Gas outlet casing Nozzle ring Cover ring Other casings Table 10: Expected replacement intervals for turbocharger parts *) HFO = Heavy Fuel Oil Recommended replacement intervals [h] Rotor components Bearings Table 11: Recommended replacement intervals for turbocharger parts See rating plate data See rating plate data The specified values are guideline values and not guaranteed values, see Influencing parameters.

65 5 Operation and service Page 35 / 111 Influencing parameters The specified values are guideline values and are not guaranteed. The actual values can deviate considerably from the guideline values, for example, due to the following influences: Fuel quality and fuel treatment Load profile (thermal cycling, also number of starts/stops, emergency shutdowns, operating point) Gas inlet temperature Frequency and execution of cleaning process during operation Turbocharger specification. System-specific operating conditions (combustion quality, exhaust gas composition) For bearing parts Lubricating oil quality (oil filtering, oil condition, oil monitoring) Load profile (speed, pressure conditions, temperature) Number of starts/stops Unbalance of the rotor (degree of contamination). 5.4 Flexible turbocharger cut-out If the load is low, an engine which is charged by multiple turbochargers can be operated with one turbocharger switched off. The flexible switch-on or switch-off of a turbocharger is referred to as a "flexible turbocharger cut-out". In flexible systems, slide valves or flaps are installed by the enginebuilder before the gas inlet and after the air outlet of the turbocharger. Depending on the version of the system, the turbocharger can be switched off or on manually or automatically. In all cases, you must observe the enginebuilder's recommendations. The lubricating oil supply of the switched-off turbocharger must not be switched off due to the engine vibrations. To ensure that there are no oil or gas leaks on the switched off turbocharger, it must be supplied with external sealing air. The turbocharger may only be switched on or off while the engine is stopped or in idle mode. CAUTION Flexible turbocharger cut out Improper manipulations can result in inadmissible turbocharger speeds which can lead to serious damage to property with grave consequences. The air outlet flap and gas inlet flap must be completely open during normal operation. During cut out operation, the air outlet flap and gas inlet flap must be completely closed.

66 5 Operation and service Page 36 / 111 CAUTION Manual switching of the flaps If the gas inlet flap is opened during cut-out operation or the air-outlet flap is closed during normal operation, this causes very high turbocharger speeds. These can result in damage with serious consequences or even a total loss of the turbocharger. Never open the gas inlet flap during cut-out operation. Never close the air-outlet flap during normal operation. CAUTION Automatic switching of the flaps During automatic flap control, there is a risk of the turbocharger rotating opposite the intended direction of rotation if the air-outlet flap is open further than the gas inlet flap during the switching process. This can lead to damage on the turbocharger. The turbocharger should only be switched on or off below charging pressures of 0.3 bar. Close the compressor outlet flap just before the gas inlet flap. NOTICE Contamination with closed flaps To limit the deposits of dirt when operating with closed flaps, we recommend you open them at least every 500 hours of operation. 5.5 Stopping the engine Observe the instructions regarding post-lubrication (Pre-lubrication and post-lubrication [ 22]) Stop the engine.

67 6 Periodic maintenance Page 37 / Periodic maintenance 6.1 Foreword to maintenance Maintenance work includes regular visual controls and cleaning operations which are intended to ensure the trouble-free functioning of the turbocharger. Described maintenance points: Filter silencer Compressor Turbine and nozzle ring

68 6 Periodic maintenance Page 38 / Cleaning the filter silencer Filter silencer with tension band Figure 12: Layout and overview of filter silencer Lock Cover grid Body of filter silencer Connecting strip Absorption segment Tension band Sheet-metal covering Lock Filter ring (if present) E Insert unit (absorption segment / sheet-metal covering fitted)

69 6 Periodic maintenance Page 39 / 111 NOTICE Disassembly and assembly The disassembly and assembly of the filter silencer is described in chapter Disassembly and assembly. Cleaning the filter ring (if present) Remove filter ring (81265). Clean filter ring (81265) as required or every 500 hours of operation and replace after the fifth cleaning process at the latest. Contamination of the filter ring depends on the degree of purity of the sucked-in air. Rinse the filter ring (81265) with water and mild detergent or, in the case of heavy contamination, soak and carefully push through. Rinse in cold water. Avoid high mechanical loads (water jet). Let the filter ring dry completely before assembling. Dirty water and mild detergent must be disposed of in compliance with locally applicable regulations. Cleaning the absorption segments Loosen the tension bands (81270) at the locks (81271) and remove them along with the cover grid (81266) and connecting strips (81268) (see Figure 12). Pull out insert units (E). Bend up the sheet-metal coverings (81137) and remove the absorption segments (81136). Clean the absorption segments (81136). When cleaning, note that the absorption segments may only be cleaned lightly with pressurized air, with a soft brush or a moist cleaning cloth. Otherwise there is a danger of damage or changing of the shape. Replace heavily contaminated absorption segments (81136) and any damaged connecting strips (81268) with original parts from ABB. Fitting the filter silencer Insert the absorption segments (81136) into the sheet-metal coverings (81137). Bend the sheet-metal coverings (81137) back into the original shape. Insert the insert units (E) into the slotted guides in the filter silencer body (81135). Fit the cover grid (81266) and connecting strips (81268) on the filter silencer body (81135). Guide the tension bands (81270) through the eyelets of the connecting strips (81268). Tighten the tension bands (81270) at the locks (81271). Any damaged tension bands must be replaced. Fit filter ring (81265), if present.

70 6 Periodic maintenance Page 40 / Changing the filter strip on the filter silencer casing This chapter applies only to turbochargers with filter silencer casing. The filter ring (81265) is replaced with the filter silencer installed. Figure 13: Dismantling filter ring circumferential part Dismantle circumferential part (9). Figure 14: Opening filter ring lock Open the lock of the filter ring (81265).

71 6 Periodic maintenance Page 41 / 111 Figure 15: Attaching new filter ring Attach the new filter ring (81265) on the filter ring to be replaced so they overlap. Figure 16: Fitting new filter ring Pull on the old filter ring until the new filter ring is completely wrapped around the filter silencer. Undo the connection between the new and the old filter ring. Fasten the newly installed filter ring (81265), then fit circumferential part (9).

72 6 Periodic maintenance Page 42 / Cleaning the compressor during operation Introduction Approval by enginebuilder These instructions for wet cleaning only apply to cleaning with pure water and under the precondition that the enginebuilder approves the process. The contamination of the compressor stage (compressor wheel, wall insert and diffuser) depends on the degree of purity of the taken-in air. Deposits in the flow channels can be formed when salt, oil mist or dust is sucked in with the air. Consequences of contamination: Impaired compressor efficiency Higher exhaust gas temperatures Increased fuel consumption Increased rotor unbalance Periodic cleaning of the compressor during operation prevents or delays any great increase in the contamination, but never replaces the regular service procedures where the turbocharger is completely dismantled and the compressor is mechanically cleaned. Cleaning interval The interval between the cleaning cycles depends greatly on the operating conditions. Cleaning should normally take place about every 50 hours of operation. If the specified cleaning intervals are incompatible with operation of the engine, contact ABB Turbo Systems. Cleaning method and operating state The compressor is cleaned during operation using the wet cleaning method. It is carried out at an engine load of %. This cleaning method is tested and approved by ABB Turbo Systems.

73 6 Periodic maintenance Page 43 / 111 Principle of wet cleaning CAUTION Corrosion and deposits when cleaning Salt water and cooling water treatment substances damage and adversely affect turbocharger parts. Never use salt water, but only pure water for cleaning. To clean the compressor stage during operation, water is injected before the compressor wheel. The water does not act as a solvent. The coating is removed by the mechanical action of the impacting droplets. The process is particularly suitable as long as the contamination is not too advanced. Cleaning several turbochargers If several turbochargers are installed on an engine, it is recommended to clean one compressor after the other. CAUTION Volume of water for cleaning the compressor Uncontrolled volumes of water can damage the turbocharger and the engine. Do not guide water pipes to the filler openings.

74 6 Periodic maintenance Page 44 / Wet cleaning of compressor WARNING Damage to hearing due to high noise level Removing the screw plug (81126) from the filler orifice (B) may result in a high level of noise. Carrying out wet cleaning on the compressor without ear protection may lead to serious hearing damage. Always wear ear protection when carrying out wet cleaning on the compressor. Wear ear protection. Figure 17: Overview of wet cleaning of compressor Filter silencer A Can Lock B Filler opening Remove insulation from flange of filter silencer (81000) (if present). Unscrew lock (81126). Measure volume of water according to the following table. Pour this water into a clean can (A). Carefully pour this water into the filling orifice (B) from the can. Screw in lock and hand-tighten. Fit insulation to flange of filter silencer (if present). After cleaning, allow the engine to continue to run for at least 5 minutes under normal load.

75 6 Periodic maintenance Page 45 / 111 Repeating the cleaning If the cleaning is still unsuccessful after three processes, it is recommended to have the turbocharger checked and cleaned by an ABB Turbocharging Service Station if the engine values are unsatisfactory. Volume of water per cleaning process Product Quantity [dm 3 ] A265-L 2.0 A270-L 2.0 A275-L 3.0 A280-L 3.0 Table 12: Volume of water per cleaning process The filling time is seconds. Checking the filter plug Figure 18: Filter plug view Disassembly and checking of the filter plug (81125) is required if 20 seconds after the cleaning process water is still visible in filler opening B. Loosen and remove filter plug (81125) with box spanner. Clean the drill holes of the plug. Fit filter plug (81125). Part number A265-L A270-L A275-L A280-L G1/2" 45 Nm Table 13: Tightening torques (81125) G1/2" 45 Nm G1/2" 45 Nm G1/2" 45 Nm

76 6 Periodic maintenance Page 46 / Cleaning the turbine during operation Introduction Combustion of heavy fuel oil in diesel engines causes contamination of the turbine blades and nozzle rings of the turbochargers. Contamination increases with time, which is why regular and properly carried out cleaning operations are important to remove any deposits. Contaminated turbine components lead to a reduction in the turbocharger efficiency. Furthermore, the exhaust gas temperature after the cylinders can rise and the charging pressure in the air receiver can drop. Contamination of the turbine also leads to rotor unbalance. A very high level of contamination can lead to intolerably high rotor unbalance. Despite periodic cleaning during operation, experience shows that overhauls during which the turbine and nozzle ring (or VTG) are mechanically cleaned cannot be omitted. Cleaning method The turbine and the nozzle ring are cleaned during operation using the dry cleaning method. This cleaning method is tested and approved by ABB Turbo Systems. Interval for dry cleaning The interval between the cleaning cycles depends greatly on the operating conditions. Cleaning should normally take place about every 50 hours of operation. Principle of dry cleaning During dry cleaning, the dirt coating is removed by the mechanical action of the impacting solids (granulate). Operating state The dry cleaning of the turbine end components is carried out at an engine load of 5 85%. Cleaning several turbochargers If several turbochargers are installed on an engine, ABB Turbo Systems recommends cleaning one turbine after the other.

77 6 Periodic maintenance Page 47 / Procedure for dry cleaning the turbine Dry cleaning device Figure 19: Overview of dry cleaning device 11 Granulate container (51702) 16 Protection valve [closed] (51713) 12 Cover cap (51703) 17 Pressurised air valve [venting] (51704) 13 Pressurised air supply [ bar] 18 Plate 14 Piping 19 Cleaning instructions (51717) 15 On-Off valve [closed] (51705) 20 Gas inlet casing, insulated CAUTION Protecting the pressurised air system Protect the pressurised air system against overpressure (> 7 bar).

78 6 Periodic maintenance Page 48 / 111 Operating the dry cleaning device CAUTION Escape of burnt granulate particles Careless handling may result in incompletely burnt particles of granulate and soot particles escaping from the stack with the exhaust gas. Only inject the specified amount of granulate for cleaning. Make sure that the conditions with regard to the operating state and the maximum exhaust gas temperature before the turbine are observed. Check that the protection valve (16) is closed (see Figure 19). Check that the on-off valve (15) is closed. Check that the combined pressurised air valve/pressure release valve (17) is in the neutral position. Loosen and carefully remove the cover cap (12). Fill the specified amount of granulate into the container (11). Screw on and tighten the cover cap (12). Open the combined pressurised air valve/pressure release valve (17) (down lever position). Open the protection valve (16). Open the on-off valve (15) for cleaning the turbine for minutes. Close the on-off valve (15). Close the protection valve (16). Set the combined pressurised air valve/pressure release valve (17) to venting (up lever position). Check that the exhaust gas temperature after the turbine is less than before the cleaning. Move the combined pressurised air valve/pressure release valve (17) to the neutral position. Repeating the cleaning If the cleaning is still unsuccessful after three processes, it is recommended to have the turbocharger checked and cleaned by an ABB Turbocharging Service Station if the engine values are unsatisfactory. Optimum cleaning effect It is important that the specified amount of granulate is blown in for each cleaning process in order to achieve an optimum cleaning effect.

79 6 Periodic maintenance Page 49 / Cleaning parameters for dry cleaning Material selection Possible suppliers of material for dry cleaning can be found on the Internet. The following materials are suitable for dry cleaning: Hard, granulated materials (such as natural core granulates) Soft-blast media Activated carbon particles The average grain size of the cleaning granulate must be between 1.2 and 2.0 mm. The specific weight of the cleaning granulate must not exceed 1.2 kg/dm 3. Amount of granulate per turbocharger Product Quantity [dm 3 ] A265-L 1.0 A270-L 1.5 A275-L 2.0 A280-L 2.5 Table 14: Cleaning parameters NOTICE Storage of dry cleaning materials The cleaning material must be stored in a dry and clean location to prevent blockage of the pipes when cleaning.

80 6 Periodic maintenance Page 50 / Draining the gas outlet casing If there is a boiler leak into the exhaust gas pipe or an ingress of water due to other causes, the gas outlet casing can be drained. Figure 20: Drain pipe diagram 01 Drain pipe A Position 1 02 Drain cock B Position 2 03 Drain 04 Air line from compressor casing On the drain pipe (01), set the drain cock (02) to position 1 (A). If the drain pipe (01) is blocked: Set the drain cock (02) to position 2 (B) and clean the drain pipe (01) with air from the compressor casing (04). If cleaning with air is not sufficient, the drain pipe (01) must be cleaned mechanically.

81 7 Troubleshooting Page 51 / Troubleshooting 7.1 Malfunctions when starting Delayed start-up Possible causes Remedy Turbocharger Turbocharger contaminated Clean (Periodic maintenance [ 37]) Bearing damaged Contact ABB Turbocharging Service Station Rotor rubbing Foreign object in the turbocharger Table 15: Malfunctions when starting Delayed start-up Vibrations Possible causes Remedy Engine Vibrations from engine Contact enginebuilder Turbocharger Rotor unbalance Contact ABB Turbocharging Service Station Turbine or compressor damaged Bearing damaged Table 16: Malfunctions when starting Vibrations Rubbing of rotating parts Normal behaviour, not a malfunction Turbocharger A minimal and uniform wear at the circumference of the rotor components caused by slight local rubbing against adjacent components is permitted. This causes the compressor or turbine blades to be somewhat shortened. To prevent significant loss of efficiency, specific tolerances must be fulfilled. If there is any doubt about the extent of the rubbing, contact an ABB Turbocharging Service Station. Have a dimension check carried out by an ABB Turbocharging Service Station. Table 17: Malfunctions when starting Rubbing of rotating parts

82 7 Troubleshooting Page 52 / Malfunctions during operation Lubricating oil pressure too low WARNING Danger of fire and explosion due to lubricating oil leaks Leaking oil may ignite on hot surfaces. This can cause severe personal injury or fatal accidents can result. Cordon off danger area. Sound an alarm and depending on the situation, stop the engine. Seal oil leaks. Soak up oil and dispose of in an environmentally compatible manner. Wear safety gloves to protect against thermal hazards. Possible causes Remedy Engine Oil filter heavily contaminated Clean Oil pump in lubricating system defective Check/replace Manometer displays incorrectly Replace manometer Turbocharger Axial clearance of the rotor excessive Contact ABB Turbocharging Service Station Table 18: Malfunctions during operation Lubricating oil pressure too low Drop in speed Possible causes Turbocharger Heavy contamination of the turbine Pipes Damaged rotor components or bearing Defects, such as leaks, in the exhaust gas pipes or charge air ducts Table 19: Malfunctions during operation Speed reductions Remedy Clean Contact ABB Turbocharging Service Station Repair

83 7 Troubleshooting Page 53 / 111 Exhaust gas temperature too high Engine performance and engine speed unchanged Possible causes Remedy Engine Malfunction in the injection system Repair or contact manufacturer Turbocharger Insufficient air, for example, when Clean (Periodic maintenance [ 37]) filter silencer is blocked by dirt Compressor/turbine contaminated Exhaust gas back pressure too Clean or repair boiler or exhaust gas silencer high Turbine damaged or eroded Contact ABB Turbocharging Service Station Charge air cooler Cooler contaminated Clean Cooling water volume too low Fill Inlet temperature of cooling water Check/clean cooling system too high Insufficient ventilation Improve ventilation Table 20: Malfunctions during operation Exhaust gas temperature too high Charge air pressure too low Engine performance and engine speed unchanged, suction condition normal Possible causes Remedy Engine Air receiver not sealed Repair Gas pipe between engine and turbine not sealed Injection mistimed Set correctly Valve control misadjusted Turbocharger Manometer display not correct Replace manometer Supply pipe to manometer not Repair leak sealed Filter silencer contaminated, therefore Clean (Periodic maintenance [ 37]) pressure drop too high Compressor end and/or turbine end contaminated Compressor/turbine damaged Contact ABB Turbocharging Service Station Exhaust gas back pressure too Clean or repair boiler or exhaust gas silencer high Pipes Pipes downstream to the compressor outlet not sealed. Repair. Table 21: Malfunctions during operation Charge air pressure too low

84 7 Troubleshooting Page 54 / 111 Charge air pressure too high Engine performance and engine speed unchanged, suction condition normal Possible causes Remedy Engine Malfunction in the injection system Repair or contact manufacturer Injection mistimed Set correctly Engine performance higher than indicated Check engine performance Turbocharger Manometer display not correct Replace manometer Table 22: Malfunctions during operation Charge air pressure too high 7.3 Surging of the turbocharger Surging of the turbocharger Possible causes Engine Protective grating in front of the turbocharger contaminated or damaged Remedy Clean/replace Turbocharger Filter silencer or diffuser contaminated Clean (Periodic maintenance [ 37]) Heavy dirt deposits in the turbine or in the nozzle ring Charge air cooler Cooler contaminated Clean Charge air duct blocked Table 23: Surging of the turbocharger CAUTION Prolonged or periodic surging If the turbocharger surges continuously or periodically, parts of it can be damaged. Slowly reduce the engine load. Have the cause clarified immediately by an ABB Turbocharging service station and rectified. Have components inspected for damage and, if necessary, replaced by an ABB Turbocharging service station.

85 7 Troubleshooting Page 55 / 111 Sporadic surge blows Surging of the turbocharger can occur during certain operating states, such as when reducing the engine load quickly when manoeuvring. When this happens, the flow direction in the compressor is momentarily reversed. Such sporadic surge blows do not impair the safe operation of the turbocharger. A surge blow is accompanied by a loud bang and escape of hot air from the filter silencer. 7.4 Malfunctions when stopping Noises during run-down Possible causes Turbocharger Turbocharger contaminated Damaged bearing Rubbing rotor Foreign object in turbocharger Table 24: Malfunctions when stopping - noises during run-down Elimination Clean it Contact an ABB Turbocharging Service Station Run-down time shortened Possible causes Turbocharger Turbocharger contaminated Damaged bearing Rubbing rotor Foreign object in turbocharger Table 25: Malfunctions when stopping - run-down time shortened Elimination Clean it Contact an ABB Turbocharging Service Station

86 7 Troubleshooting Page 56 / Speed measurement system Possible causes Elimination No signal or amplitude is poor Fitting error The screw plug for the sensor is fitted with a gasket. When fitting the speed sensor, this gasket must be removed. If the gasket is fitted by mistake, the distance from the sensor tip to the signal-generating sealing disc increases. As a result, the voltage amplitude of the speed signal decreases, which can cause problems for the evaluation electronics. This problem is eliminated by removing the gasket. Defective sensor Contact an ABB Turbocharging Service Station Measured speeds too high Contaminated sensor tip The sensor tip is magnetic and can thus attract metal particles. As a result, the distance to the auxiliary bearing decreases, which can lead to amplification of the noise component and consequently to faulty triggering. Remove the sensor, clean its tip and refit the sensor using the specified tightening torque. Measured speed too low - - Contact an ABB Turbocharging Service Station Other sources of errors - - If none of the above measures eliminates the malfunction, we recommend that you have the speed measuring system inspected by an ABB Turbocharging Service Station. Table 26: Malfunctions of the speed measurement system

87 8 Disassembly and assembly Page 57 / Disassembly and assembly 8.1 Introduction CAUTION Further operations This Operation Manual may be used to carry out only those operations that are described in it. Further operations that are executed in an incorrect way can lead to serious damage to the machine. ABB Turbo Systems recommends having further operations carried out only by trained personnel from an ABB Turbocharging Service Station. NOTICE Marking casing position for assembly ABB Turbo Systems recommends marking the casing positions prior to disassembly. Identification of the assembly devices Not all assembly devices are marked with a part number. Identification is guaranteed by the tool list. This list is enclosed in the toolbox. WARNING Servicing the assembly devices Assembly devices must be checked for damage before and after use. Visually inspect for corrosion, cracks, deformation and wear. Damaged assembly devices must no longer be used and must be replaced. Customer spare part set Before starting operations, make sure the required customer spare part sets are available. See chapter Spare parts [ 103]. Tightening torques for components of the turbocharger The specified tightening torques of the screw fittings must be observed (Table of tightening torques [ 88]).

88 8 Disassembly and assembly Page 58 / 111 Tightening torques for assembly devices Unless described otherwise, the screws and nuts of the assembly devices supplied by ABB must be tightened so they rest firmly against the surface. WARNING Suspended loads Loads that are not attached according to regulations can cause injury to personnel or fatal accidents. Only fasten the turbocharger, assemblies or individual parts on properly functional lifting gear with sufficient load limit. Pay attention to the correct attachment of loads on the crane hook. People must not stand under suspended loads. Wear safety gloves to protect against mechanical hazards. Wear safety helmet. Definition of terms Suspension point Defined loading point on a component or an assembly (blind hole thread, eyelet, lug). Assembly device Devices that are fitted on the turbocharger in order to obtain a suspension point. Assembly devices are specially constructed and designed for the defined use; they are not commercially available products. Use assembly devices only for the described applications. Lifting gear Equipment for the lifting and transporting of loads (ropes, chain block, crane). Lifting gear is not supplied by ABB.

89 8 Disassembly and assembly Page 59 / Weights of assemblies The specified weights of the individual parts or assemblies are rounded-up standard values. Figure 21: Overview of assembly weights Position Assembly A265-L A270-L A275-L A280-L 01 Filter silencer Wall insert Diffuser Compressor casing Cover ring Nozzle ring Gas inlet casing Table 27: Weights of assemblies [kg] The total weight of the complete wall insert is made up of the wall insert and diffuser assemblies. A265-L A270-L A275-L A280-L Table 28: Weight of wall insert [kg]

90 8 Disassembly and assembly Page 60 / Disassembly and assembly of the filter silencer casing NOTICE Disassembly / Assembly of the filter silencer casing This chapter applies only to turbochargers with filter silencer casing. Only the assembly of the filter silencer casing is described in detail. The disassembly must be carried out in reverse order of the assembly. Figure 22: Overview of filter silencer casing disassembly and assembly 01, 02 Bottom part 03, 04, 07, 08 Side part 05, 06, 09 Circumferential part 10, 11 Flange The complete filter silencer casing has the part number

91 8 Disassembly and assembly Page 61 / 111 Assembly NOTICE Screws on the filter silencer casing No screws are tightened until end of filter silencer casing assembly. Only this way is it possible to fit all the parts. Do not tighten the screws during assembly. Figure 23: Fitting filter silencer casing 1 Fit the bottom part (01) to the filter silencer (81000) with screws (A) and (B). NOTICE Screw (A) The location of screw (A) serves as a reference for the correct assembly of the filter silencer casing. Before disassembling the bottom part (01), mark the location of screw (A). Fit all remaining screws on the bottom part (01).

92 8 Disassembly and assembly Page 62 / 111 Figure 24: Fitting filter silencer casing 2 Fit the bottom part (02) with the screws on the filter silencer. Figure 25: Fitting filter silencer casing 3 Fit the side parts (03) and (04) with the screws on the filter silencer and on the bottom part. Fit the side parts (07) and (08) with the screws on the filter silencer, on the bottom part, and on the side parts (03, 04).

93 Operation Manual / 4 Product description / A200-L 8 Disassembly and assembly Page 63 / 111 Figure 26: Fitting filter silencer casing 4 Insert the flanges (10) and (11) laterally between the side parts and fit the screws. Figure 27: Fitting filter silencer casing 5 Fit the circumferential part (05) with the screws. Fit the circumferential part (06) with the screws. Fit the circumferential part (09) with the screws. Copyright 2016 ABB. All rights reserved. HZTL4036_EN Revision H November 2016

94 8 Disassembly and assembly Page 64 / 111 Screws for fastening the individual parts to the filter silencer M10 30 Nm Table 29: Tightening torques (filter silencer screws) Screws for fastening the individual parts M8 25 Nm Tighten all screws of the bottom parts (01) and (02). Tighten all screws of the side parts (03, 04, 07, 08) and the flanges (10, 11). Tighten all screws of the circumferential parts (05, 06, 09). Bellows Figure 28: Fitting the bellows Fit bellows (C) with frame (F), screws (S) and nuts (N) on the filter silencer casing.

95 8 Disassembly and assembly Page 65 / Dismantling the filter silencer Dismantle the insulation if necessary. Figure 29: Dismantling the filter silencer 1. Attach the lifting gear to the front lug and rear eyelet of the filter silencer (81000). 2. Loosen nuts (72004) and remove with washers (72003). 3. Remove and put down filter silencer.

96 8 Disassembly and assembly Page 66 / Dismantling wall insert and diffuser Dismantling the wall insert Figure 30: Pressing off compressor casing 1. Loosen one screw (72011) and leave 2/3 of the thread length screwed into the compressor casing (72000). 2. Loosen and remove the remaining screws (72011). 3. Use the press-off screws (90900) to press off the wall insert (77000) from the compressor casing (72000) until the lifting device (90190) can be fitted. 4. Fit shackle (90195) with lifting gear on P1 of lifting device (90190). 5. Fit lifting device (90190) with crane on upper area of wall insert (77000). 6. Change the position of the shackle with the lifting gear to P2 of the lifting device (90190).

97 8 Disassembly and assembly Page 67 / 111 Figure 31: Moving out wall insert 7. Remove screw (72011). 8. Carefully move out the wall insert (77000) with diffuser (79000). 9. Remove the O-ring (77040). Figure 32: Putting down wall insert Put down wall insert (77000) with diffuser (79000) in horizontal position and use appropriate supports to prevent it from falling over and rolling away.

98 8 Disassembly and assembly Page 68 / 111 Dismantling the diffuser WARNING Support for the wall insert The support may slip away when the wall insert is placed on flange F. Any defective or improperly used supports can lead to serious injury to personnel and even to fatal accidents. Check the position of the support and correct if necessary. WARNING Risk of tipping If the wall insert is not tilted, it must be put down correctly. Tipping of the wall insert may lead to serious injuries to persons or even to fatal accidents. If the wall insert is not tilted, ensure that it is fixed correctly (see Dismantling wall insert). Figure 33: Putting down wall insert 1. Put wall insert (77000) down on suitable supports. 2. Tilt wall insert (77000) with diffuser (79000) against lifting device (90190). 3. Place wall insert with the flange (F) on the underlay.

99 8 Disassembly and assembly Page 69 / 111 Figure 34: Dismantling the diffuser 4. Loosen and remove screws (77015). 5. Remove O-rings (79020, 79021). 6. Attach lifting gear (L) to the diffuser (79000). 7. Remove and put down diffuser.

100 8 Disassembly and assembly Page 70 / Axial clearance A prior to disassembly WARNING Physical hazards due to sharp edges on compressor wheel The compressor wheel has sharp edges which can result in injury. Wear safety gloves. Wear safety gloves to protect against mechanical hazards. Figure 35: Measuring axial clearance A The axial clearance (A) of the rotor should always be measured before and after service work on the turbocharger. Measure and note axial clearance (A). Product Axial clearance A [mm] A265-L A270-L A275-L A280-L Table 30: Admissible axial clearance A CAUTION Clearances outside the tolerance Serious damage to engines or property can be caused by clearances outside the tolerance and excessively worn parts. Have the components assessed and, if necessary, replaced by an ABB Turbocharging Service Station.

101 8 Disassembly and assembly Page 71 / Dismantling insulation, gas inlet casing and nozzle ring (A275-L and smaller) Dismantling the insulation NOTICE Dry cleaning The dry cleaning does not have to be removed to dismantle the insulation. Figure 36: Removing the insulation (A275-L and smaller). 1. Loosen and remove screws of insulation jackets (51200) from gas outlet casing (61001). 2. Loosen and remove all connecting plates of insulation jackets. 3. Remove insulation jackets. 4. Detach flange connection between gas inlet casing (51001) and bellows.

102 8 Disassembly and assembly Page 72 / 111 Dismantling the gas inlet casing Figure 37: Dismantling the gas outlet casing (A275-L and smaller) 1. Loosen and remove all but two opposite screws (61009). 2. Fit two guide studs (90317) in the upper area on the gas outlet casing. 3. Loop around the gas inlet casing (51001) with lifting gear. 4. Loosen and remove remaining screws (61009). 5. Carefully move out gas inlet casing and put down, remove guide studs. Dismantling the nozzle ring Figure 38: Dismantling the nozzle ring (A275-L and smaller) 1. Loosen screws (56014) and remove with washers (56011). 2. Remove and put down nozzle ring (56001).

103 8 Disassembly and assembly Page 73 / Dismantling the gas inlet casing, nozzle ring (A280-L) Dismantling the gas inlet casing Figure 39: Dismantling the gas inlet casing (A280-L) 1. Dismantle both halves of the insulation segment (51215) and remove with all fixing elements. 2. Detach flange connection between gas inlet casing (51001) and bellows. 3. Loosen and remove all but two opposite screws (61009). 4. Fit two guide studs (90317) in the upper area on the gas outlet casing (61001). 5. Loop lifting gear around gas inlet casing. 6. Loosen remaining screws and carefully move out gas inlet casing. 7. Fit supports (90481, 90482) on gas inlet casing and put down casing. 8. Remove the guide studs.

104 8 Disassembly and assembly Page 74 / 111 Dismantling the nozzle ring Figure 40: Fitting the nozzle ring holder (A280-L) 1. Remove screws (B 2). 2. Fit the nozzle ring holder (90477) with screws (B 1) at the top of the flange of the gas inlet casing (51001).

105 8 Disassembly and assembly Page 75 / 111 Figure 41: Dismantling the nozzle ring (A280-L) 1. Loop around the nozzle ring holder (90477) with the lifting gear and secure it to the crane. 2. Loosen screws (56014) and remove with washers (56011). 3. Pull the nozzle ring (56001) towards the front onto the nozzle ring holder (90477). 4. Screw the screws (B 2) into the nozzle ring holder. 5. Remove screws (B 1). Figure 42: Putting down the nozzle ring (A280-L) Use the crane to remove and put down the nozzle ring (56001).

106 8 Disassembly and assembly Page 76 / Fitting gas inlet casing, nozzle ring, insulation (A275-L and smaller) Fitting the nozzle ring Coat the screw threads with high-temperature grease. Figure 43: Fitting the nozzle ring (A275-L and smaller) Part number A265-L A270-L A275-L M10 35 Nm Table 31: Tightening torque (56014) M10 35 Nm M10 35 Nm 1. Align the notch (A 1) with the flange connection (A 2) and slide the nozzle ring (56001) into the gas inlet casing (51001). 2. Fit screws (56014) with high-temperature grease and washers (56011).

107 8 Disassembly and assembly Page 77 / 111 Fitting the gas inlet casing Figure 44: Fitting the gas outlet casing (A275-L and smaller) Part number A265-L A270-L A275-L M ) Nm 140 Nm Table 32: Tightening torque (61009) 1) Pre-tightening torque of the screws M ) Nm 200 Nm 1. Fit two guide studs (90317) in the upper area on the gas outlet casing (61001). M ) Nm 380 Nm 2. Loop around the gas inlet casing (51001) with the lifting gear and secure it to the crane. 3. Push gas inlet casing over the guide studs up to the gas outlet casing. 4. Fit two opposite screws (61009) with high-temperature grease. 5. Remove the guide studs (90317) and fit the remaining screws with high-temperature grease. 6. Fit the screws (61009) by tightening them crosswise, first to the pre-tightening torque, then to the tightening torque. 7. Remove the lifting gear. 8. Connect the flanges of the gas inlet casing and the bellows.

108 8 Disassembly and assembly Page 78 / 111 Fitting insulation Figure 45: Fitting the insulation (A275-L and smaller) 1. Fit flange connection between gas inlet casing (51001) and bellows. 2. Fit the insulation jackets (51200) on the gas inlet casing (51001) with the screws. 3. Fit connecting plates of insulation jackets with screws. 4. Fit insulation jackets with screws on gas outlet casing (61001).

109 8 Disassembly and assembly Page 79 / Fitting the gas inlet casing, nozzle ring (A280-L) Fitting the nozzle ring Coat the screw threads with high-temperature grease. Figure 46: Fitting the nozzle ring (A280-L) Use lifting gear to secure the nozzle ring (56001) on the nozzle ring holder (90477) and transport it.

110 8 Disassembly and assembly Page 80 / 111 Figure 47: Attaching the nozzle ring (A280-L) Part number A280-L M12 65 Nm Table 33: Tightening torque (56014) 1. Fit the nozzle ring holder (90477) on the flange of the gas inlet casing (51001) with screws (B 1). 2. Remove screws (B 2). 3. Align the notch (A 1) on the cam of the nozzle ring (56001) with the flange connection (A 2) and slide the nozzle ring into the gas inlet casing. 4. Coat screws (56014) with high-temperature grease and fit with washers (56011). 5. Remove screws (B 1) along with the nozzle ring holder (90477).

111 8 Disassembly and assembly Page 81 / 111 Fitting the gas inlet casing Figure 48: Fitting the gas inlet casing A280-L Part number A280-L M ) Nm 480 Nm Table 34: Tightening torque (61009) 1) Pre-tightening torque of the screws 1. Fit two guide studs (90317) in the upper area on the gas outlet casing (61001). 2. Loop around the gas inlet casing (51001) with the lifting gear and secure it to the crane. 3. Dismantle and remove supports (90481, 90482) from the gas inlet casing. 4. Push gas inlet casing over the guide studs up to the gas outlet casing. 5. Coat two opposite screws (61009) with high-temperature grease and screw in. 6. Remove the guide studs. 7. Coat remaining screws with high-temperature grease and fit. Fit the screws by tightening them crosswise, first to the pre-tightening torque, then to the tightening torque. 8. Remove the lifting gear. 9. Connect the flanges of the gas inlet casing and the bellows. 10. Fit the insulation segments (51215).

112 8 Disassembly and assembly Page 82 / Axial clearance A after assembly WARNING Physical hazards due to sharp edges on compressor wheel The compressor wheel has sharp edges which can result in injury. Wear safety gloves. Wear safety gloves to protect against mechanical hazards. Figure 49: Measuring axial clearance A The axial clearance (A) of the rotor should always be measured before and after service work on the turbocharger. Measure and note axial clearance (A). Product Axial clearance A [mm] A265-L A270-L A275-L A280-L Table 35: Admissible axial clearance A CAUTION Clearances outside the tolerance Serious damage to engines or property can be caused by clearances outside the tolerance and excessively worn parts. Have the components assessed and, if necessary, replaced by an ABB Turbocharging Service Station.

113 8 Disassembly and assembly Page 83 / Fitting diffuser, wall insert Fitting the diffuser Figure 50: Fitting the diffuser Part number A265-L A270-L A275-L A280-L M5 6 Nm Table 36: Tightening torque (77015) M6 10 Nm 1. Attach lifting gear (L) to the diffuser (79000). M8 25 Nm 2. Carefully place the diffuser on the wall insert (77000), then remove lifting gear. 3. Fit new O-rings (79020, 79021) on the diffuser. 4. Degrease screws (77015) and threaded holes in wall insert. 5. Coat threads of the screws with Loctite Fit screws. M8 25 Nm

114 8 Disassembly and assembly Page 84 / 111 Fitting the wall insert Figure 51: Positioning wall insert Carefully bring wall insert (77000) into vertical position with the lifting device (90190).

115 8 Disassembly and assembly Page 85 / 111 Figure 52: Fitting the wall insert Part number A265-L A270-L A275-L A280-L M Nm Table 37: Tightening torque (72011) M Nm 1. Attach the new O-ring (77040) to the wall insert (77000). M Nm 2. Fit two guide studs (90320) in the upper area of the compressor casing (72000). M Nm 3. Align arrow markings of wall insert (77000) and compressor casing to one another. 4. Carefully move the wall insert with diffuser (79000) over the guide studs into the compressor casing. 5. Fit a screw (72011) as a safeguard. 6. Change the position of the shackle (90195) with the lifting gear to P1 of the lifting device (90190) and remove with the crane. 7. Completely insert the wall insert and then remove the guide studs (90320). Check that both casings are in the correct position (the marking arrows are aligned to one another). 8. Fit screws (72011).

116 8 Disassembly and assembly Page 86 / Fitting the filter silencer Figure 53: Fitting the filter silencer Part number A265-L A270-L A275-L A280-L M Nm Table 38: Tightening torque (72004) M Nm M Nm 1. Attach the lifting gear to the front lug and rear eyelet of the filter silencer (81000). 2. Position filter silencer on compressor casing. 3. Fit nuts (72004) with washers (72003) and tighten. Fit insulation as far as necessary. M Nm

117 8 Disassembly and assembly Page 87 / 111

118 8 Disassembly and assembly Page 88 / Table of tightening torques Figure 54: Overview of tightening torques Figure 55: Overview of speed sensor tightening torque

119 8 Disassembly and assembly Page 89 / 111 Tightening torques [Nm] Position Part number A265-L A270-L A275-L A280-L M ) M ) ) M ) M a M M M G1/2" M18x Table 39: Overview of tightening torques 1) Tighten crosswise 2) Pre-tightening torque of the screws M12 50 M ) 200 M M M16 60 M6 10 M10 35 G1/2" 45 M18x Use hydraulic tool for tightening torques exceeding 500 Nm. M16 80 M ) 380 M M M18 80 M8 25 M10 35 G1/2" 45 M18x M M ) 480 M M M M8 25 M12 65 G1/2" 45 M27x2 320 M8 25 Nm M10 45 Nm Table 40: Tightening torque, insulation M12 85 Nm M12 compressor casing insulation 50 Nm

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121 9 Taking a turbocharger out of operation Page 91 / Taking a turbocharger out of operation 9.1 Possible emergency repairs CAUTION Directives for taking out of operation Serious damage to engine or property can be caused by non-compliance with the directives for locking/blanking off the turbocharger on the engine. Follow the directives of the enginebuilder. Stop the engine In the event of turbocharger damage, the turbocharger must be taken out of operation. In order to ensure that the engine can continue operation as quickly as possible, proceed as follows: Close off oil supply to defective turbocharger 1 installed turbocharger 2 or more installed turbochargers Dismantle filter silencer and lock rotor with locking device Fit cover plates to compressor outlet, gas Engines with Engines without bypass around the inlet and gas outlet casing of defective bypass around turbocharger turbocharger the turbocharger Open bypass If the nozzle ring is removed (not mandatory), a higher engine load can be achieved. Continue to operate engine in accordance with enginebuilder's instructions. Do not exceed prescribed power reduction and maximum turbocharger speed Table 41: Procedure for taking out of operation 9.2 Shutting off oil supply to defective turbocharger WARNING Danger of fire and explosion due to lubricating oil leaks Leaking oil may ignite on hot surfaces. This can cause severe personal injury or fatal accidents can result. Cordon off danger area. Sound an alarm and depending on the situation, stop the engine. Seal oil leaks. Soak up oil and dispose of in an environmentally compatible manner. Wear safety gloves to protect against thermal hazards.

122 9 Taking a turbocharger out of operation Page 92 / Procedure with one installed turbocharger Locking the rotor CAUTION Cooling of a locked rotor Serious damage to engine or property can be caused by the overheating of intact turbocharger components. If the gas inlet is not blanked off, the lubricating oil supply remains switched on (Further information for operation of 2-stroke engines, with blocked rotor). If there is a lubricating oil leak on the turbocharger, stop the oil supply. CAUTION Locking of the rotor on the compressor wheel Serious damage to engine or property can be caused by excessive vibrations and unbalance values if set screws (balancing screws) are loosened or unscrewed on the compressor wheel. Before recommissioning of the turbocharger, the compressor wheel must be balanced at an ABB Turbocharging Service Station. Do not screw any set screws that have become unscrewed into the compressor wheel again. Balance the compressor wheel. A locked rotor must be removed after emergency operation and checked for unbalance. The removal, the unbalance check and the installation of the rotor must be carried out by an ABB Turbocharging Service Station. Exception The exception concerns customer requirements for test bed runs of new engines at a maximum engine load of up to 25 %. In these cases, subsequent removal of the rotor is not required as the engine is only operated briefly with a locked rotor. In these test bed runs, it is not allowed to remove any set screws from the compressor wheel when fitting the locking device (94003) (Fitting the locking device).

123 9 Taking a turbocharger out of operation Page 93 / 111 Figure 56: Locking the rotor Dismantle the filter silencer (Dismantling the filter silencer [ 65]). 1. Dismantle spinner nose cone with press-off screw (90924). 2. On locking device (94003), loosen retaining nuts (N) and remove with screws (B 1). 3. Loosen screws (B 2) and remove with washers. 4. Align the locking device to a fin of the wall insert (77000) and align the hole circle to the drill holes in the compressor wheel (25000). 5. Fit at least 9 screws (B 1) (for tightening torque, see table below) without retaining nuts (N). If more than 3 holes in the compressor wheel hub are filled with set screws, the corresponding number should be removed. 6. Align the bracket (94020) to a fin of the wall insert and fit screws (B 2) with washers and screw (B 3) (for tightening torques, see table below). Product Tightening torques for screws [Nm] A265-L A270-L A275-L A280-L B1 B2 B3 M8 25 M10 45 M10 45 M12 75 Table 42: Tightening torques (locking device) M12 75 M12 75 M12 75 M12 75 M8 25 M8 25 M8 25 M8 25

124 9 Taking a turbocharger out of operation Page 94 / Engines with bypass around the turbocharger The chapter only applies for engines with one turbocharger and for systems on which the connections for a bypass have been prepared and the necessary pipe connections have been provided. Close the lubricating oil supply to the turbocharger. Open the bypass around the turbocharger. Observe specifications from enginebuilder Engines without bypass around the turbocharger If the nozzle ring is removed (not mandatory), higher engine performance can be achieved. (More information about dismantling the nozzle ring) Securing the cover ring If the nozzle ring is removed for emergency operation, the clamping of the cover ring (57001) to the gas outlet casing must be ensured. In this case, additional washers (01) must be provided in accordance with the following table. These washers (01) are not supplied by ABB. Figure 57: Ensuring clamping of the cover ring Product h [mm] d1 [mm] d2 [mm] A265-L A270-L A275-L A280-L Table 43: Required washers (01)

125 9 Taking a turbocharger out of operation Page 95 / 111 Part number A265-L A270-L A275-L A280-L M12 50 Nm Table 44: Tightening torque (57005) 1. Remove screws (57005). M12 50 Nm M16 80 Nm M Nm 2. Fit and tighten screws (57005) with high-temperature grease and washers (01) in accordance with the table Continuing to operate the engine Continue to operate engine in accordance with enginebuilder's instructions. Do not exceed prescribed power reduction and maximum turbocharger speed.

126 9 Taking a turbocharger out of operation Page 96 / Procedure with two or more installed turbochargers CAUTION Speed limit of the turbocharger The speed limit n Bmax specified on the rating plate of the turbocharger must not be exceeded. Serious damage to engine or property can be caused by excessive speeds. Observe the speeds of the undamaged turbochargers. Reduce the engine load if necessary Blanking off the inlets and outlets The chapter is only applicable for engines with several turbochargers and joint air and exhaust gas receivers. The cover plates for the compressor casing outlet, gas inlet and gas outlet are not included in the ABB scope of delivery. The following figure shows the positions where to fit the cover plates. Stop the engine. Shut off the supply of lubricating oil to the turbocharger. Blank off flanges of compressor casing outlet (01), gas inlet (02) and gas outlet (03) by installing cover plates. Observe specifications from enginebuilder. Figure 58: Position of cover plates

127 9 Taking a turbocharger out of operation Page 97 / Continuing to operate the engine Continue to operate engine in accordance with enginebuilder's instructions. Do not exceed prescribed power reduction and maximum turbocharger speed.

128

129 10 Mothballing the turbocharger Page 99 / Mothballing the turbocharger 10.1 Taking the engine out of operation for up to 12 months Condition of engine lubricating oil The turbocharger normally remains mounted on the engine. Mothballing a turbocharger depends on the condition of the lubricating oil. No measures are necessary under the following conditions: Total acid number (TAN) < 2 mg KOH/g The engine lubricating oil is replaced by preserving oil before decommissioning and circulated by the pre-lubrication pump. Any remaining old engine oil will therefore be flushed away and the bearing sections largely protected against corrosion. Mothballing measures WARNING Handling operating materials and supplies Swallowing or inhaling vapours of operating materials and supplies or contact with them may be harmful to health. Do not breathe in these substances and avoid contact with the skin. Ensure proper ventilation. Observe the information in the material safety data sheet for the operating materials and supplies. Wear personal protective equipment (PPE) according to the material safety data sheet. Comply with local legislation. Wear safety goggles. Wear safety gloves to protect against chemical hazards. Wear a respiratory mask to protect against gases. If the total acid number (TAN) is greater than 2 mg KOH/g, the following mothballing measures are necessary after taking an engine out of operation: Dismantle the turbocharger. The rotor and the bearing parts must be removed by an official ABB Turbocharging service station and refitted afterwards. Clean all parts. Machined, bright surfaces of steel and cast parts must be oiled with anticorrosive oil. Reassemble complete turbocharger.

130 10 Mothballing the turbocharger Page 100 / 111 Rotor turning in stack draught If the rotor turns as a result of the stack draught: Install blind flange between compressor casing outlet flange and charge air duct Taking the engine out of operation for more than 12 months If the engine is taken out of operation, the following variants are possible with regard to the turbocharger: Turbocharger remains attached to the engine The casings of the turbocharger remain attached to the engine, the rotor and bearing parts are dismantled by an ABB Turbocharging Service Station and stored separately The turbocharger has been completely removed, either as a whole unit or in individual parts For the measures always necessary for preparing the turbocharger parts for mothballing, see section Taking out of operation for up to 12 months, subsection Preparations for mothballing. If the turbocharger remains attached to the engine, see section Taking out of operation for up to 12 months, subsection Rotation of the rotor in the stack draught. If the complete turbocharger is removed or the turbocharger is fitted again from the individual parts: Seal all openings of the turbocharger with paraffin paper and wooden lids. Only dry rooms with % atmospheric humidity, in which no water condensation can form, are suitable as storage locations. State of the mothballed turbocharger Check the turbocharger parts annually for corrosion. If there are signs of rust: Thoroughly clean parts and renew corrosion protection.

131 11 Disposing of turbocharger components Page 101 / Disposing of turbocharger components WARNING Handling damaged thermal insulation Damaged thermal insulation can lead to dust exposure. The glass fibres can cause mechanical irritation of the eyes, skin, and respiratory tracts. Avoid the formation of dust. Vacuum up dust with a suitable vacuum cleaner. Wear a respiratory mask to protect against particles (P1 or P2 mask). Wear work gloves made of leather. Wear safety goggles. Wear a respiratory mask to protect against dusts. Wear safety gloves to protect against mechanical hazards. Disposal must be environmentally compatible, professional, and in compliance with locally applicable regulations. The turbocharger consists largely of metal (cast iron materials, steel, nickel-steel alloys, aluminium and bearing brass). Further components are: Non-metallic materials (filter components of felt and polyethylene), lubricants (engine oil), electronic parts (speed sensor and associated components), and thermal insulation. Dispose of metals as scrap metal for recycling. Dispose of non-metallic materials as waste. Dispose of residues of lubricants as waste oil. Dispose of electronic components as electronic waste. Dispose of thermal insulation as hazardous waste.

132

133 12 Spare parts Page 103 / Spare parts 12.1 Ordering spare parts CAUTION Spare part storage All spare parts that were ordered together with the turbocharger must be kept intact and ready for use. Carefully clean any rusted parts and grease them. Please quote the following data when making queries and ordering spare parts: Turbocharger type Serial number of the turbocharger Designation and part number Spare parts can be ordered from any ABB Turbocharging Service Station. If different model variants are not taken into account in this document, contact an ABB Turbocharging Service Station. Required customer spare part set (97070) For the operations described in the Operation Manual, the customer spare part set (97070) is required. These parts are only available in the complete set. Quantity Designation Part number 3 Washer Hexagon-head screw Washer Hexagon nut Hexagon-head screw O-ring O-ring O-ring O-ring Table 45: Customer spare part set (97070) Dispose of replaced parts and parts that are not reusable in a professional and environmentally compatible manner.

134 12 Spare parts Page 104 / View of turbocharger with part numbers Figure 59: View of turbocharger with part numbers

135 12 Spare parts Page 105 / 111 Turbocharger Part number Designation - - Cartridge group Gas inlet casing Nozzle ring (in the customer spare part set) Washer (in the customer spare part set) Hexagon-head screw Cover ring Hexagon-head screw Gas outlet casing Hexagon-head screw Foot, turbine end Compressor casing Threaded stud (in the customer spare part set) Washer (in the customer spare part set) Hexagon nut Hexagon-head screw Air-outlet silencer (option) Gasket (option) Wall insert (in the customer spare part set) Hexagon-head screw (in the customer spare part set) O-ring Diffuser (in the customer spare part set) O-ring (in the customer spare part set) O-ring Filter silencer Table 46: Turbocharger with part numbers

136 12 Spare parts Page 106 / View of cartridge group with part numbers Figure 60: View of cartridge group with part numbers NOTICE Cartridge group The cartridge group is not delivered as a fitted assembly. Spare parts must be ordered individually.

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