Multi e.dot+ Gun. Manual P/N B - English - Edition 10/11 NORDSON DEUTSCHLAND GMBH ERKRATH GERMANY

Transcription

1 Multi e.dot+ Gun Manual - English - Edition 10/11 NORDSON DEUTSCHLAND GMBH ERKRATH GERMANY

2 Note This document is for products with the following P/N: Order number P/N = Order number for Nordson articles Note This is a Nordson corporation publication which is protected by copyright. Copyright No part of this document may be photocopied, reproduced or translated to another language without prior written consent from Nordson. The information contained in this publication is subject to change without notice All rights reserved. Trademarks AccuJet, AeroCharge, Apogee, AquaGuard, Asymtek, Automove, Autotech, Baitgun, Blue Box, Bowtie, CanWorks, Century, CF, CleanSleeve, CleanSpray, Color on Demand, ColorMax, Control Coat, Coolwave, Cross Cut, cscan+, Dispensejet, DispenseMate, DuraBlue, DuraDrum, Durafiber, DuraPail, Dura Screen, Durasystem, Easy Coat, Easymove Plus, Ecodry, Econo Coat, e.dot, EFD, Emerald, Encore, ESP, e stylized, ETI stylized, Excel 2000, Fibrijet, Fillmaster, FlexiCoat, Flexi Spray, Flex O Coat, Flow Sentry, Fluidmove, FoamMelt, FoamMix, Fulfill, GreenUV, HDLV, Heli flow, Helix, Horizon, Hot Shot, icontrol, idry, iflow, Isocoil, Isocore, Iso Flo, itrax, JR, KB30, Kinetix, LEAN CELL, Little Squirt, LogiComm, Magnastatic, March, Maverick, MEG, Meltex, Microcoat, Micromark, Micromedics, MicroSet, Millenium, Mini Squirt, Moist Cure, Mountaingate, MultiScan, Nordson, Optimum, Package of Values, PatternView, PermaFlo, PicoDot, PluraFoam, Porous Coat, PowderGrid, Powderware, Precisecoat, PRIMARC, Printplus, Prism, ProBlue, Prodigy, Pro Flo, ProLink, Pro Meter, Pro Stream, RBX, Rhino, Saturn, Saturn with rings, Scoreguard, SC5, S. design stylized, Seal Sentry, Select Charge, Select Coat, Select Cure, Signature, Slautterback, Smart Coat, Solder Plus, Spectrum, Speed Coat, Spraymelt, Spray Squirt, Super Squirt, SureBead, Sure Clean, Sure Coat, Sure Max, Sure Wrap, Tela Therm, Tracking Plus, TRAK, Trends, Tribomatic, TrueBlue, TrueCoat, Ultra, UniScan, UpTime, u TAH, Vantage, Veritec, VersaBlue, Versa Coat, VersaDrum, VersaPail, Versa Screen, Versa Spray, Walcom, Watermark, When you expect more.. are registered trademarks - - of Nordson Corporation. Accubar, Active Nozzle, Advanced Plasma Systems, AeroDeck, AeroWash, AltaBlue, AltaSlot, Alta Spray, AquaCure, Artiste, ATS, Auto Flo, AutoScan, Axiom, Best Choice, BetterBook, Blue Series, Bravura, CanNeck, CanPro, Celero, Chameleon, Champion, Check Mate, ClassicBlue, Classic IX, Clean Coat, Cobalt, ContourCoat, Controlled Fiberization, Control Weave, CPX, cselect, Cyclo Kinetic, DispensLink, DropCure, Dry Cure, DuraBraid, DuraCoat, e.dot+, E Nordson, Easy Clean, EasyOn, EasyPW, Eclipse, Equalizer, Equi=Bead, Exchange Plus, FillEasy, Fill Sentry, Flow Coat, Fluxplus, G Net, G Site, Get Green With Blue, Gluie, Ink Dot, IntelliJet, ion, Iso Flex, itrend, KVLP, Lacquer Cure, Maxima, Mesa, MicroFin, MicroMax, Mikros, MiniBlue, MiniEdge, Minimeter, MonoCure, Multifil, MultiScan, Myritex, Nano, NexJet, OmniScan, OptiMix, OptiStroke, Origin, Partnership+Plus, PatternJet, PatternPro, PCI, Pinnacle, Plasmod, PluraMix, Powder Pilot, Powder Port, Powercure, Process Sentry, Pulse Spray, PURBlue, PURJet, PurTech, Quad Cure, Ready Coat, RediCoat, Royal Blue, Select Series, Sensomatic, Shaftshield, SheetAire, Smart, Smartfil, SolidBlue, Spectral, Spectronic, SpeedKing, Spray Works, Summit, Sure Brand, SureFoam, SureMix, SureSeal, Swirl Coat, TAH, Tempus, ThruWave, TinyCure, Trade Plus, Trlogy, Ultra FoamMix, UltraMax, Ultrasaver, Ultrasmart, Universal, ValueMate, Versa, Viper, Vista, WebCure, YESTECH, 2 Rings (Design) are trademarks - - of Nordson Corporation. Designations and trademarks stated in this document may be brands that, when used by third parties for their own purposes, could lead to violation of the owners' right.

3 Table of Contents I Table of Contents Safety Instructions... 1 Safety Symbols... 1 Responsibility of the Unit Owners... 2 Safety Information... 2 Instructions, Requirements and Guidelines... 2 Operator Qualification... 3 Safety Measures to be Applied in the Industry... 3 Intended Use of Units... 3 Instructions and Safety Notes... 3 Installation... 4 Operation... 4 Maintenance and Repair... 5 Information on Equipment Safety... 5 Unit Shutdown... 5 Relieving System of Adhesive Pressure... 5 General Safety Instructions: WARNING and CAUTION... 6 Other Safety Precautions... 9 First Aid Description Intended Use Unintended Use Residual Risks Series Overview Installation Unpacking Transport Storage Disposal Installation Guidelines Attaching Material Hose Mounting Control Line for Module Control Mounting Heater Power Cable Operation Stroke Adjustment Troubleshooting Troubleshooting Table... 17

4 II Table of Contents Maintenance Cleaning/Replacing Nozzle and Needle Detaching Module / Cleaning Nozzle Reassembling Components Adjusting Module Replacing Filter Repair Detaching Gun Heater Power Cable Detaching Module Control Power Cable Replacing Heater Cartridge Replacing Multi e.dot+ Module Parts How to Use the Illustrated Parts List Gun P/N Gun P/N Gun P/N Gun P/N Gun P/N Gun P/N Gun P/N Technical Data Gun Specifications Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control Gun P/N Dimensions Electrical Wiring, Heating Electrical Wiring, Module Control... 60

5 Multi e.dot+ Gun 1 Safety Instructions Read this section before starting up the unit. This section contains recommendations and common procedures for safe installation, operation and maintenance (hereafter referred to as Use) of the product described in this document (hereafter referred to as Unit). Additional safety instructions appear throughout the manual as warnings regarding specific application steps. WARNING: Risk of burns! Do not remove the nozzle when the system is pressurized. If the nozzle is removed while the system is pressurized, adhesive can flow freely from the gun. Relieve the system of pressure before detaching the nozzle. Failure to relieve pressure can lead to injury. WARNING: Failure to observe the safety notes, recommendations and instructions on how to avoid danger may result in personal injury, death and/or damage to equipment and property. Safety Symbols The following safety symbols and signal words are used in all of the documentation to warn of potential danger and to make the operator aware of conditions that may lead to equipment or property damage. All safety notes preceded by the signal words WARNING and CAUTION must be followed. WARNING: Indicates a potential hazard that can cause serious injury or death upon failure to observe. CAUTION: Indicates a potential hazard that can cause minor or moderate injury upon failure to observe. WARNING: Risk of electrical shock. Failure to observe may result in personal injury, death, or equipment damage.

6 2 Multi e.dot+ Gun Responsibility of the Unit Owners The owners of the equipment are responsible for the implementation of all safety information. They must ensure that all instructions and implementation specifications regarding use of the unit are complied with and that all potential operators are sufficiently qualified. Safety Information Obtain and interpret the safety information from all available sources, including owner-specific safety concepts, common practice in the industry, applicable regulations, product information from the material manufacturer and this document. Make the safety information available to the equipment operators in compliance with the valid regulations. Please consult the government agencies responsible. Safety instructions, including the safety labels affixed to the equipment, must be clearly legible. Instructions, Requirements and Guidelines Ensure that the units are uses in compliance with the information included in this document, relevant laws and requirements as well as common industry practice. Before initial installation or startup of the equipment, seek approval from the department Industrial and Building Systems, the Safety department or a department with equivalent responsibility. Ensure that emergency and first aid equipment are easily accessible. Perform safety inspections to confirm that the required procedures are being followed. Check and reevaluate safety practices and precautions when procedures or equipment change.

7 Multi e.dot+ Gun 3 Operator Qualification The owners of the equipment are responsible that the operators... Receive safety training specific to their tasks, as required for compliance with valid regulations and common industry practice Are familiar with the owner's regulations and measures regarding safety and accident prevention Receive from qualified personnel training that applies specifically to their tasks and the equipment they will be operating NOTE: Nordson offers unit-specific training for installation, operation and maintenance. Please contact your Nordson representative for information. Have functional experience as well as skills specific to the industry and branch Are physically able to perform their assigned tasks, and that they are not under the influence of substances that restrict their mental or physical capabilities. Safety Measures to be Applied in the Industry The following safety measures apply to the intended use of the units described in this document. The information stated here cannot cover all possible safety measures. However, it represents the best-suited information for the equipment in similar branches of industry and with comparable potential hazard. Intended Use of Units The units may be used only for the purpose described here and only within the area specified in this document. The units may not be adapted or modified in any way. Unsuitable or incompatible materials or untested accessories may not be used. Please consult your Nordson representative for questions regarding material compatibility or use of accessories that are not standard. Instructions and Safety Notes Carefully read and follow the instructions contained in this document and in reference documents. Become familiar with the placement and meaning of safety labels affixed to the equipment. Refer to Safety Labels and Tags (if included) at the end of this section. Please consult your Nordson representative if you are unsure of how to use the unit.

8 4 Multi e.dot+ Gun Installation Operation Install the unit by following the instructions in this document; install additional accessories as described in the included documentation. Ensure that the degree of protection is suitable for the intended installation location and that material processing does not pose any risks in the surrounding areas. Refer to the material safety data sheet (MSDS) for information on the material. Please consult your Nordson representative if the required equipment configuration does not correspond to the installation instructions. Set up the equipment such that it can operated safely. Allow sufficient clearance between units and other objects. Install lockable switches to be able to disconnect the unit and independently connected accessories from the power supply. Properly ground all equipment. Consult the responsible building authority for special requirements when necessary. Verify that circuit breakers of the right type and specified value are installed in fuse-protected units. Consult the proper government agency when installation permits or inspections are required. The operator must be familiar with the location and operation of all safety devices and display equipment. Verify that all of the equipment and all of the safety devices (protective mechanisms, safety switches, etc.) are in good operating condition and that all requirements have been met at the setup location. Wear the specified personal protective equipment (PPE) for the respective tasks. Refer to Information on Equipment Safety and to the instructions from the material manufacturer as well to the MSDS for the PPE requirements. Units that do not function properly and equipment that indicates potential malfunction may not be used.

9 Multi e.dot+ Gun 5 Maintenance and Repair Perform maintenance at the intervals stated in this document. Relieve adhesive/material and pneumatic pressure in the system before beginning maintenance work. Disconnect the unit and accessories from the power supply before beginning maintenance work. Use only new parts or refurbished parts approved by the manufacturer. Before cleaning the unit, carefully read and follow the manufacturer's instructions as well as the MSDS for the cleaning agent. NOTE: The MSDS for the cleaning agents available through Nordson can be obtained at or can be requested by phone from your Nordson representative. Check that all safety devices function properly before restarting the equipment. Properly dispose of remaining cleaning agents as well as working and processing materials according to local regulations. Refer to the respective MSDS or consult the responsible government agency. Keep the safety labels on the equipment clean. Damaged or worn labels must be replaced by new ones. Information on Equipment Safety The following information on equipment safety applies to the following Nordson units: Units that apply hot melt adhesives and units that apply cold glue, as well as all related accessories Pattern controllers, timers, compiling and monitoring systems as well as other optional process controllers. Unit Shutdown To be able to safely and reliably perform many of the processes described in this document, the unit must first be switched off. The degree to which the equipment must be switched off depends on the unit used and the respective process. When required, the shutdown instructions are specified at the beginning of the process. The shutdown levels are: Relieving System of Adhesive Pressure Completely relieve system of pressure before detaching a hydraulic connection or seal. Instructions on relieving the system of hydraulic pressure can be found in the respective melter manual.

10 6 Multi e.dot+ Gun Disconnecting System from Power Supply Before accessing unprotected wiring or connections, disconnect the system (melter, hoses, guns and optional accessories) from all voltage sources. 1. Switch off units and connected accessories. 2. Lock and label isolators and circuit breakers that energize units and optional accessories, so that nothing can be switched on unintentionally. NOTE: Government regulations and industrial standards specify certain requirements to isolate hazardous energy sources. Refer to the respective requirement or standard. Deactivating Guns All electrical or mechanical devices that transmit an activation signal to guns, their solenoid valves or the melter pump must be deactivated before any work can be performed on a pressurized gun or within its effective range. 3. Switch off the gun controller or disconnect it from the power supply (pattern controller, timer, PLC, etc.). 4. Detach the input signal cable from the solenoid valve(s) or detach the gun power cable (electrical guns). 5. Set the air pressure to the solenoid valve(s) to zero and relieve the remaining air pressure between the pressure controller and the gun. General Safety Instructions: WARNING and CAUTION Table 1 contains the general safety indications (WARNING and CAUTION) for Nordson melters and cold glue guns. Study the table and carefully read all of the warnings and precautions that are relevant to the equipment described in this manual. The units types are designated as follows in table 1: HM = Hot melt (melters, hoses, guns, etc.) PC = Process control CA = Cold adhesive (distributor pumps, pressure containers and guns)

11 Multi e.dot+ Gun 7 Unit type HM Tab. 1 General Safety Instructions: WARNING and CAUTION Warning or caution WARNING: Hazardous vapors! Before processing reactive polyurethane hot melt adhesive (PUR) or material containing solvents in a suitable Nordson melter, carefully read the MSDS and comply with it. Ensure that the material processing temperature and flash point are not exceeded and that all requirements pertaining to handling, ventilation, first aid and protective equipment are met. Failure to observe the instructions in the MSDS can cause injury or death. HM WARNING: Reactive material! Never use halogenated hydrocarbon solutions to clean components made of aluminum or to purge Nordson units. Nordson melters and guns contain components made of aluminum that may react severely with halogenated hydrocarbons. The use of halogenated hydrocarbon solutions in Nordson units can cause injury or death. HM, CA WARNING: System pressurized! Relieve system of pressure before detaching a hydraulic connection or seal. Failure to observe can allow pressurized adhesive or cold glue to escape and cause personal injury. HM WARNING: Melted material! When performing maintenance on equipment with melted adhesive, wear eye and face protection as well as heat-protective gloves and clothing to protect exposed skin. Hot melt adhesive can cause burns even when it is still hard. Without appropriate protective equipment, injury can result. Continued...

12 8 Multi e.dot+ Gun General Safety Instructions: WARNING and CAUTION (contd.) Table 1 General safety instructions: WARNING and CAUTION (contd.) Unit type HM, PC Warning or caution WARNING: Unit starts automatically! External controllers are used to control automatic hot melt guns. Before working on or near a running gun, deactivate the gun trigger and stop the compressed air supply to the solenoid valve(s). Failure to observe may result in injury. HM, CA, PC WARNING: Risk of electrical shock! Even after the unit is switched off and disconnected from the power supply with isolators or circuit breakers, it may still be connected to accessories that are energized. Disconnect all auxiliary equipment from the power supply before beginning maintenance. Failure to properly disconnect auxiliary devices from the power supply can lead to injury or death. CA WARNING: Risk of explosion or fire! Nordson units that process cold glue may not be used in potentially explosive surroundings, and they may not be used to apply solvent-based adhesives that can generate explosive fumes during processing. Refer to the safety data sheet (MSDS) pertaining to the adhesive for information on processing properties and restrictions. Use of incompatible or solvent-containing adhesives or incorrect processing of adhesives containing solvent can cause injury or death. HM, CA, PC WARNING: Only trained, experienced personnel should operate the equipment and perform maintenance. When inexperienced personnel or persons without adequate training operate the unit or perform maintenance, injury, death or equipment damage can occur. Continued...

13 Multi e.dot+ Gun 9 Unit type HM Warning or caution CAUTION: Hot surfaces! Avoid touching hot surfaces of guns, hoses and some melter components. If contact cannot be avoided, wear heat-protective gloves and clothing when working on hot equipment. Failure to comply with the instructions to avoid hot surfaces can result in injury. HM CAUTION: Some Nordson melters are designed especially for processing reactive polyurethane hot melt adhesive (PUR). When an attempt is made to process PUR in a unit not intended for this material, the melter may sustain damage and the adhesive can harden prematurely. Please consult your Nordson representative if you are unsure of whether your unit can process PUR. HM, CA CAUTION: Before using cleaning or purging agent on or in the unit, carefully read and follow the manufacturer's instructions and the MSDS for the agent. Some cleaning agents may react with hot melt adhesive or cold glue in unexpected ways and cause equipment damage. HM CAUTION: Nordson melters are tested with a type R cleaning agent, which contains polyester adipate plasticizer. Some types of hot melt adhesive may react with type R cleaning agents and form a solid rubber, which then clogs the melter. Before use, verify that the hot melt adhesive is compatible with type R cleaning agents. Other Safety Precautions Do not use an open flame to heat hot melt system components. Check high-pressure hoses daily for excessive wear, damage or leakage. Do not direct the assembly handgun towards any persons. Always hang the assembly handgun in the bracket intended for this purpose.

14 10 Multi e.dot+ Gun First Aid If melted adhesive comes into contact with skin: 1. DO NOT ATTEMPT to remove the melted adhesive from the skin. 2. Immediately submerge the affected skin in clean, cold water until the adhesive has cooled. 3. DO NOT ATTEMPT to remove the hardened adhesive from the skin. 4. Initiate shock treatment if burns are severe. 5. Immediately consult a qualified physician. Show the MSDS for the adhesive to the medical personnel treating the patient.

15 Multi e.dot+ Gun 11 Description The Multi e.dot+ gun is a compact, non-contact, high-speed precision applicator for applications requiring small dots of adhesive. The terms (hot melt) adhesive and glue, as well as compound words containing the terms, are used interchangeably in this document. Intended Use The Multi e.dot+ gun is designed for use In industrial applications that demand precise, non-contact application of adhesive dots onto a moving substrate. Unintended Use The Multi e.dot+ gun may not be used In a defective system environment When the housing is open or protective equipment is removed In surroundings which do not correspond to the unit's Degree of Protection With unauthorized modifications In a potentially explosive atmosphere. The Multi e.dot+ guns may not be used for the following applications Explosive and flammable materials Materials sensitive to pressure Food products. Residual Risks WARNING: Be aware of residual risks that cannot always be avoided and that are often not immediately apparent. Such residual risks are e.g. System components which are under pressure Possible electrical charges in components even after switching the system off Hot melt adhesive vapors Hydraulically or pneumatically driven system components Uncovered winding and unwinding parts.

16 12 Multi e.dot+ Gun Series Overview Gun P/N Number of modules

17 Multi e.dot+ Gun 13 Installation WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. WARNING: Disconnect power to triggering devices before connecting magnetic coils. Failure to do so may result in death. Unpacking Unpack carefully. Then check for damage caused during transport. Reuse packaging materials or dispose of properly according to local regulations. The Multi e.dot+ gun is fully assembled at the factory. Transport The gun is a high precision, valuable part. Handle very carefully! Protect the nozzle from damage, e.g. with the original packaging. Storage Do not store outside! Protect from humidity and dust. Do not lay unit on the nozzle. Protect the nozzle from damage, e.g. by placing it in the original packaging. Disposal When your Nordson product has exhausted its purpose and/or is no longer needed, dispose of it properly according to local regulations. Installation Guidelines Perform the following four steps to install a dot placement system: 1. Mount the gun 2. Mount the switch amplifier / pattern controller 3. Connect the hose 4. Connect the cable

18 14 Multi e.dot+ Gun Attaching Material Hose Use only a single fitting (1) to connect the Multi e.dot+ hose to the Multi e.dot+ gun. CAUTION: Always use two wrenches to tighten the hose connection, one for each fitting. 1. Connect the hinge fitting at the other end of the hose to the melter. Refer to the melter manual for Information on Connecting Hoses 1 Fig. 1 Attaching material hose Mounting Control Line for Module Control 2 Connect the control line (2) for the Multi e.dot+ gun to the respective counterpart (splitter cable). NOTE: There is a second control line when a gun has more than four modules. The control line closest to the hose connection is cordset A and contains the connections for the first four modules (also counting from the hose connection); the second line, cordset B, contains the connections for all of the other modules. Fig. 2 Mounting control line

19 Multi e.dot+ Gun 15 Mounting Heater Power Cable 3 Connect the heater power cable (3) and the temperature sensor to the respective counterpart (on the material hose). Fig. 3 Mounting heater power cable

20 16 Multi e.dot+ Gun Operation The Multi e.dot+ gun is now ready for operation. Stroke Adjustment The Multi e.dot+ gun is equipped with a graduated dial for stroke adjustment. The stroke has been set to 0.15 mm at the factory. It is not necessary to modify the gun stroke under normal operating conditions. The stroke need only be adjusted after the gun is disassembled. CAUTION: Do not use stroke adjustment to stop the glue flow from the gun. Fig. 4 Stroke adjustment

21 Multi e.dot+ Gun 17 Troubleshooting WARNING: Risk of burns! Do not remove the nozzle when the system is pressurized. If the nozzle is removed while the system is pressurized, adhesive can flow freely from the gun. Relieve the system of pressure before detaching the nozzle. Failure to relieve pressure can lead to injury. WARNING: Risk of injury. These units contain pressurized hot melt adhesive and high voltage circuits. Before performing any troubleshooting measures, read the section Safety in this manual. Failure to observe the safety instructions and accident prevention procedures can cause injury or death. Troubleshooting Table The following table contains the most likely gun problems, possible causes and steps for corrective action. When applicable, cross references are made to expanded diagnostic procedures (DP), explained later in this section, or to other sections of this manual. Problem Possible cause Corrective action No adhesive output Low adhesive level Check adhesive level. Add adhesive if necessary No input voltage Melter temperature setting too low Hose temperature setting too low. Gun temperature setting too low System not at operating temperature Air pressure to pump switched off or too low (piston pump) Supply voltage to the melter and associated equipment. Verify that all isolating switches are on. Set temperature again (Refer to separate manual Melter). Set temperature again (Refer to separate manual Melter). Set temperature again (Refer to separate manual Melter). Verify that the READY lamp is illuminated and the sealant is melted. If not, wait until the unit has reached operating temperature Switch on the air pressure to the piston pump or set properly Continued

22 18 Multi e.dot+ Gun Troubleshooting Table (contd.) Problem Possible cause Corrective action No adhesive output Melter motor not operating (gear pump) Hose clogged Nozzle clogged Check motor functioning (Refer to melter manual) Clean or replace hose (Refer to melter manual) Clean or replace nozzle Gun coil defective Check whether the coil resistance is Ohm. Replace gun module if necessary Gun is not or insufficiently heated Gun overheats No line voltage or line voltage too low Temperature setting too low. Heater cartridge has failed (disrupted or short-circuited) Resistance temperature detector failed (interrupted or short-circuited) Melter tank temperature setting too low Tank temperature setting too high for hose Tank temperature setting too high for gun RTD short-circuit (melter error indication) Ensure that line voltage is supplied and all isolating switches are set to ON. Measure the voltage at the melter inlet and the gun outlet Adjust the setting Measure heater resistance. Replace when defective Check continuity. If continuity is correct, measure resistance. Replace RTD when defective Set temperature again (Refer to separate manual Melter). Set temperature again (Refer to separate manual Melter). Set temperature again (Refer to separate manual Melter). Check RTD. Replace when defective Gun does not close Dirt particles or pollution in seat Remove and clean nozzle and armature. Refer to Maintenance, Cleaning/Replacing Nozzle and Needle Retaining spring damaged Replace retaining spring Continued

23 Multi e.dot+ Gun 19 Troubleshooting Table (contd.) Problem Possible cause Corrective action Gun closes too soon Drops form on the nozzle Uneven bead pattern Input voltage to gun driver too low Incorrect setting of gun driver Nozzle tip damaged Nozzle too close to substrate Dirt or impurities in nozzle or filter or on the needle Determine cause of low input voltage and remedy Check settings (Refer to melter manual) Replace nozzle Increase gap to approx. 2 5 mm Clean or replace parts as needed

24 20 Multi e.dot+ Gun Maintenance WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. WARNING: Disconnect power to the control unit before connecting the magnetic coil. Failure to do so may result in death. Maintenance Table Task Clean or replace nozzle, needle and spring Zero the gun Replace the filter Time When adhesive stream is reduced or stopped When dot quality or size is poor When the nozzle is replaced When adhesive output is reduced

25 Multi e.dot+ Gun 21 Cleaning/Replacing Nozzle and Needle Detaching Module / Cleaning Nozzle 1 WARNING: Risk of burns! Do not remove the nozzle when the system is pressurized. If the nozzle is removed while the system is pressurized, adhesive can flow freely from the gun. Relieve the system of pressure before detaching the nozzle. Failure to relieve pressure can lead to injury. 1. Heat the gun to operating temperature. 2. Deactivate the gun. Refer to Safety. 3. Relieve needle: Grasp the adjusting ring with an Allen key at position (1) and turn it all the way to the left (maximum needle stroke). Fig. 5 Relieving needle 4. Unscrew the nozzle (2) (wrench size 20 mm). 2 Fig. 6 Removing nozzle 5. Detach the needle (3) and the spring (4) Fig. 7 Cleaning nozzle, needle and spring

26 22 Multi e.dot+ Gun Cleaning Components WARNING: Risk of fire. Do not heat Nordson cleaning agent Type R over 245 C (475 F). Use only a commercial controlled electrical heater intended for heating industrial fluids. Heating Nordson cleaning agent type R over an open flame or in a non-controlled heater can lead to personal injury or property damage. 1. Soak the components in Nordson cleaning agent type R, heated to warmer than the adhesive melting point. 2. Remove the components from the cleaning agent and wipe thoroughly with a soft cloth to remove all foreign matter. CAUTION: Use a precision cleaning pin of the correct size to clean Nordson nozzles. If a pin other than a precision pin or a pin of the wrong size is used, the nozzle may be damaged. The Nordson nozzle cleaning set (P/N ) contains various cleaning pin sizes. 3. Insert a cleaning pin of the proper size into the nozzle outlet. 4. Grasp the cleaning pin with a clean cloth, then extract the needle from the nozzle; wipe the needle clean. 5. Clean the armature and the spring. 6. Check all components for damage or excessive wear. Replace if necessary. Refer to Parts, Gun service kits. Fig. 8 Cleaning nozzle NOTE: The nozzle, armature and nozzle seat wear over time and adapt to one another. When the nozzle or armature needs to be replaced, Nordson recommends replacing all three components (nozzle, armature and spring).

27 Multi e.dot+ Gun 23 Reassembling Components 1. Install the needle (3) and the spring (4). NOTE: Do not overtighten the nozzle. To avoid excessive torque to the nozzle, use the shortest wrench available Check the nozzle O-ring for damage and aging. Replace if necessary. 3. Install the nozzle again and tighten with 3-4 Nm (2-3 ft.-lb). Fig. 9 2Installing nozzle, needle and spring 4. Grasp the adjusting ring with an Allen key at position (1) and turn it all the way to the right (needle at the needle seat). 1 Fig. 10 Positioning the needle at the needle seat

28 24 Multi e.dot+ Gun Adjusting Module 2 5. Release the clamping screw (2) on the adjusting ring. 6. Check that the needle is in the seat. 7. Set the adjusting ring to "0." 8. Tighten the clamping screw (2). Fig. 11 Releasing/tightening the clamping screw 9. Set the adjusting ring to The needle stroke is set to 0.15 mm. Fig. 12 Adjusting needle stroke

29 Multi e.dot+ Gun 25 Replacing Filter 1. Heat the Multi e.dot+ gun to operating temperature. 2. Relieve system pressure. Refer to Safety. 3. Replace the filter using a 5 mm Allen key. NOTE: Dispose of the old filter. Filters cannot be cleaned and reused. 4. Apply Never-Seez mounting paste to the thread of the new filter. 5. Insert the new filter (1) and tighten with Nm (1 2 ft-lb). Violet/200 mesh (0.074 mm) - P/N Fig. 13 Replacing filter NOTE: To prevent the nozzle from clogging, ensure that the filter mesh is finer than the nozzle opening. This mesh is finer than the gap between the needle and the seat so as to prevent nozzle clogging.

30 26 Multi e.dot+ Gun Repair WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. WARNING: Disconnect power to the control unit before connecting the magnetic coil. Failure to do so may result in death. Detaching Gun Heater Power Cable Detach the gun heater power cable (1) from the hose connection. 2. Detach the power cable and plate (2). 3. Extract the temperature sensor from the housing. 4. Release the electrical connections. 5. Detach the power cable from the plate (2). NOTE: Assembly is in reverse order. NOTE: The RTD is replaced in conjunction with replacement of the gun heater power cable. Fig. 14 Detaching gun heater power cable Detaching Module Control Power Cable 1. Disconnect the power cable (3) from the hose connection. 2. Detach the power cable and plate (4). 3. Release the electrical connections. 4. Detach the power cable from the plate (4). 3 NOTE: Assembly is in reverse order. 4 Fig. 15 Detaching module control power cable

31 Multi e.dot+ Gun 27 Replacing Heater Cartridge 5 1. The preparations are the same as for Detaching Gun Heater Power Cable 2. Extract the heater cartridge (5). 3. Insert the new heater cartridge. 4. Reconnect electrical connections when necessary. 5. Screw on the power cable with plate. Fig. 16 Replacing heater cartridge

32 28 Multi e.dot+ Gun Replacing Multi e.dot+ Module 1. When the gun is at operating temperature, switch off the melter and disconnect it from the power supply. Switch off the power supply to the control unit. 2. Release the module retaining screw (6) on the back of the Multi e.dot+ gun. 6 Fig. 17 Releasing module retaining screw WARNING: Risk of burns! Do not remove the module when the system is pressurized. If the module is removed while the system is pressurized, adhesive can flow freely from the gun. Relieve the system of pressure before detaching the module. Failure to relieve pressure can lead to injury Release the module retaining screw (7) directly on the Multi e.dot+ module. 4. Carefully detach the Multi e.dot+ module. 5. Be careful with the seals. Fig. 18 Detaching module 9 6. Place the O-ring (9) and the flat seal (10) on the Multi e.dot+ module. 10 Fig. 19 Positioning O ring and seal

33 Multi e.dot+ Gun 29 Replacing Module (contd.) 7. Plug the module into the connector (11) Switch on the melter and heat the gun to operating temperature. 9. Switch the melter off. Tighten the M4 screws (Fig. 18, 7) with Nm (21 28 in. lb.) and the M3 screw (Fig. 17, 6) with 1.1 Nm (9.8 in. lb.). 10. Switch on the melter and heat the gun to operating temperature. Fig. 20 Plugging module into connector 11. Adjust the module needle stroke adjustment (Refer to Adjusting Module). 12. Purge the gun. 13. Compare the glue dot to the application dots from the other modules and adjust the application time if necessary.

34 30 Multi e.dot+ Gun Page remains empty

35 Multi e.dot+ Gun 31 Parts Please contact the nearest Nordson facility to order parts. The following parts lists and the illustrations contain a description of the parts and their respective designations. How to Use the Illustrated Parts List The numbers in the column "Position" correspond to the numbers in the illustrations that go with the respective parts lists. The designation NS (not shown) means that the part is not shown in the illustration. A hyphen ( ) indicates that the part number refers to all of the components shown in the illustration. The number in the column "P/N" is the Nordson order number. A series of hyphens ( ) means that the part cannot be ordered separately. The Description column contains the name of the part, the dimensions and other properties. The dots illustrate the relationship between assemblies, subassemblies and individual parts. Position P/N Designation Quantity Note Assembly Subassembly 2 A Individual part 1 The assembly includes pos. 1 and pos. 2. Pos. 1 includes pos. 2. An order for pos. 2 includes only pos. 2. The required order quantity per system, assembly or subassembly is indicated in the column "Quantity." The abbreviation AR (as required) is used to indicate that the part is sold e.g. by the meter or that the quantity required per assembly is a factor of a special version or type. Letters in the column "Note" refer to remarks at the end of the parts lists. These remarks contain important information on use and ordering. They should definitely be followed.

36 32 Multi e.dot+ Gun Gun P/N Fig. 21 Gun P/N

37 Multi e.dot+ Gun 33 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-2 P:25,5MM COVER E.DOT-2 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L80 240V-200W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

38 34 Multi e.dot+ Gun Gun P/N Fig. 22 Gun P/N

39 Multi e.dot+ Gun 35 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-3 P:25,5MM COVER E.DOT-3 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-250W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

40 36 Multi e.dot+ Gun Gun P/N Fig. 23 Gun P/N

41 Multi e.dot+ Gun 37 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-4 P:25,5MM COVER E.DOT-4 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-300W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

42 38 Multi e.dot+ Gun Gun P/N Fig. 24 Gun P/N

43 Multi e.dot+ Gun 39 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-5 P:25,5MM COVER E.DOT-5 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-350W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

44 40 Multi e.dot+ Gun Gun P/N Fig. 25 Gun P/N

45 Multi e.dot+ Gun 41 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-6 P:25,5MM COVER E.DOT-6 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-400W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M4X10, DIN912, SS, A2, SCREW ALLENHEAD M6X10, DIN912,SS,A2, WASHER M6, DIN 125, SS, A SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

46 42 Multi e.dot+ Gun Gun P/N Fig. 26 Gun P/N

47 Multi e.dot+ Gun 43 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-7 P:25,5MM COVER E.DOT-7 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-500W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,GUN,H200 TOP FEED SCR,DRIVE,RD,2X.187,ZN TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M4X10, DIN912, SS, A2, SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

48 44 Multi e.dot+ Gun Gun P/N Fig. 27 Gun P/N

49 Multi e.dot+ Gun 45 Position P/N Designation Qty. Note BODY EDOT WA-P:25, SIDE BLOCK E.DOT-GUNS GASKET E.DOT-8 P:25,5MM COVER E.DOT-8 P:25,5MM GASKET E.DOT W/ CORDSET COVER E.DOT LEFT W/ CORDSET MODULE, E.DOT+ 0,25 MM NOZZLE SERVICE GASKET E.DOT MODULE CONNECTOR, E-DOT, ROUND FILTER,GUN,200MESH,SATURN,M14,2PACK SERVICE KIT,45DEG HOSE CONN GASKET ADAPTER 90 CORDSET ADAPTER 90 CORDSET W/O SENSOR CORDSET, E.DOT, 4 CH TRIGGER, WATERWASH CORDSET, WATER WASH, 1M (3.5FT) WASHER,LK,E,EXT,3/8,STL,ZN NUT,PANEL MOUNTING HEATER CARTRIDGE D10 90 L V-550W CONNECTOR,PORCELAIN,2 STA PLUG,PIPE,SKT,FLUSH,1/16,ZN M3X 55 HEAD SCREW DIN 84 V4A SCREW ALLENHEAD M3X6, DIN912,SS,A2, SCREW ALLENHEAD M3X8, DIN912,SS, A2, SCREW ALLENHEAD M6X16, DIN912,SS,A2, FLAT HEAD SCREW M3X10 DIN7991 A WASHER M3, DIN 125-A, SS, A TAG,GUN,H200 TOP FEED SCR,DRIVE,RD,2X.187,ZN TAG,WARN/CAUTION/CE,1.187X.437,ADH BACK INSULATOR,BRACKET,H400/H440,WGS SCREW ALLENHEAD M4X10, DIN912, SS, A2, SCREW ALLENHEAD M5X25, DIN912,SS,A2,70 4

50 46 Multi e.dot+ Gun Technical Data The following technical data is for your information. Gun Specifications Information Serviceable life *1 Response time Maximum hydraulic pressure Operating hydraulic pressure Operating viscosity *2 Maximum viscosity *3 Maximum operating temperature 500 million cycles 2 ms 100 bar (1450 psi) 48.3 bar (700 psi) 1000 mpa s 5000 mpa s 185 C (365 F) Value NOTE: *1 Depending on cycle rate and temperature NOTE: *2 Viscosity is suitable for full gun functioning NOTE: *3 Viscosity is suitable for gun functioning with some performance limitations

51 Multi e.dot+ Gun 47 Gun P/N Dimensions 95, ,5 25, ,5 105 Fig. 28 Dimensions