Blohm + Voss Oil Tools, LLC GraySpin Mark 40 Hydraulic Drill Pipe Spinner With and without Hydraulic Lift Technical Documentation

Transcription

1 Blohm + Voss Oil Tools, LLC GraySpin Mark 40 Hydraulic Drill Pipe Spinner With and without Hydraulic Lift Technical Documentation 1

2 GENERAL INFORMATION Warnings and Notes WARNING: A WARNING INDICATES A DEFINITE RISK OF EQUIPMENT DAMAGE OR DANGER TO PERSONNEL. FAILURE TO OBSERVE AND FOLLOW PROPER PROCEDURES COULD RESULT IN SERIOUS OR FATAL INJURY TO PERSONNEL, SIGNIFICANT PROPERTY LOSS, OR SIGNIFICANT EQUIPMENT DAMAGE. NOTE: A NOTE indicates that additional information is provided about the current topics. Intended use of this manual WARNING: THIS TECHNICAL DOCUMENTATION CONTAINS INSTRUCTIONS ON SAFETY, INSTALLATION, OPERATION AND MAINTENANCE. IT MUST BE STUDIED BEFORE WORKING WITH THE TOOL. This manual is intended for use by field service, engineering, installation, operation, and repair personnel. Every effort has been made to ensure the accuracy of the information contained herein. Blohm + Voss Oil Tools, LLC, will not be held liable for errors in this material, or for consequences arising from misuse of this material. Anyone using service procedures or tools, whether or not recommended by Blohm + Voss Oil Tools, LLC, must be thoroughly satisfied that neither personal safety nor equipment safety will be jeopardized. Intellectual property All rights retained. No part of this document may be reproduced in any form (print, photocopy, microfilm or any other procedure) or be processed using an electronic system without written approval of Blohm + Voss Oil Tools, LLC All information contained in this manual is based upon the latest product information available at the time of printing. Dependent on ongoing technical improvements (ISO 9001) Blohm + Voss Oil Tools, LLC reserves the right to change the design and specifications without announcement. The values specified in this manual represent the nominal values of a unit produced in series. Slight deviations in the case of the individual devices are possible. NOTE: In the event of problems that cannot be solved with the aid of this manual, please contact one of the addresses listed below. General remarks As with all rig equipment, the Mark 40 must be operated in accordance with accepted rig safety practices and procedures. All operators should be familiar with all safety precautions and recommended installation and operating procedures, including the information provided in this manual and any other safety publications by Blohm+Voss Oil Tools, LLC. Listed on the next page are safety considerations and warnings found throughout this manual. Limited Warranty The warranty provided will be void if the Mark 40 is: 1. The unit was repaired or serviced by a service facility which was not authorized by Blohm+Voss Oil Tools, LLC. 2. The replacement parts were not manufactured by Blohm + Voss Oil Tools, LLC are used. 3. The modifications were made to the Mark 40 which was not approved by Blohm + Voss Oil Tools, LLC. Manufacturer & Agents World Wide Blohm + Voss Oil Tools Hermann-Blohm-Straße Hamburg, Germany Phone: +49(0)40/ /1162 Fax: +49(0)40/ oiltools@blohmvoss.com Blohm + Voss Oil Tools, LLC 7670 Woodway, Suite 266 Houston, Texas United States of America Phone: Fax: BVOT@blohmvoss.com Premier Sea & Land Pte. Ltd. Shaw Centre 1 Scotts Road # Singapore Republic of Singapore Phone: Fax: enquiries@ mtqpremier.com.sg 2

3 Safety issues WARNING: ONE SHOULD AVOID CREATING IGNITION SOURCES, LIKE HEAT, AS A RESULT OF THE USE OF THE TOOL WITH OTHER TOOLS OR EQUIPMENT. WARNING: THE WARNING PLATES, SIGNS AND LABELS MUST BE PRESENT ON THE TOOL. DO NOT REMOVE THE LABELS. IF THEY ARE MISSING, REPLACING IS MANDATORY. WARNING: ALL WARNING PLATES, SIGNS AND LABELS ATTACHED TO THE EQUIPMENT MUST BE OBSERVED. WARNING: DO NOT USE THE TOOL FOR ANY OTHER PURPOSE THAN MAKING UP AND BRAKING OUT WITHIN ITS SPECIFICATION. WARNING: FAILURE TO CONDUCT ROUTINE MAINTENANCE COULD RESULT IN EQUIPMENT DAMAGE OR INJURY TO PERSONNEL. WARNING: THE TOOL MUST ONLY BE SERVICED BY TRAINED B+V PERSONNEL OR BY AUTHORIZED PERSONNEL. WARNING: WEAR PERSONAL PROTECTION EQUIPMENT WHILE WORKING WITH THE EQUIPMENT. WARNING: IF ANY SAFETY ELEMENTS (LIKE SAFETY ROPES, WIRE, SAFETY SHEETS, PLATES OR WASHERS) WERE DISASSEMBLED DUE TO MAINTENANCE WORK, DO NOT RE-USE THEM. ALWAYS REPLACE THEM WITH NEW SAFETY ELEMENTS. WARNING: KEEP HANDS AND ARMS CLEAR OF ALL MOVING PARTS WHEN CONNECTING, DISCONNECTING OR OPERATING THE UNIT. WARNING: ALWAYS WEAR PROTECTIVE GEAR FOR EYES, HEAD, HANDS AND FEET. WARNING: WHEN SERVICING UNIT, BE SURE ALL POWER IS OFF AND SUPPLY LINES ARE DISCONNECTED AND INTERNAL PRESSURE IS BLED FROM THE TOOL. WARNING: LUBRICATE UNIT ONLY WHEN SUPPLY LINES ARE DISCONNECTED AND HPU IS OFF AND TAGGED OUT. VERIFY THAT SYSTEM PRESSURE IS -0- PSI. WARNING: ALWAYS USE LIFTING APPARATUS (SLINGS, CABLES, SHACKLES AND THE LIKE) THAT HAVE BEEN INSPECTED AND ARE IN GOOD CONDITION AND ARE PROPERLY SIZED. ENSURE THAT ALL RIGGING AND LIFTING PROCEDURES ARE IN ACCORDANCE WITH ACCEPTED OILFIELD PRACTICES AND STANDARDS. WARNING: ALWAYS CHECK THE UNIT FOR LOOSE FASTENERS AND HYDRAULIC CONNECTIONS AS WELL AS ANY OTHER DAMAGE PRIOR TO TURNING ON THE POWER UNIT. Revision History Table REV. SECTION SUB-SEC. PARA. CHANGE REQUEST # DATE AUTHORIZED BY Draft All All All N/A 10/01/10 KJ 0 All All All N/A 03/19/12 KJ 3

4 TABLE OF CONTENTS MAINTENANCE INTRODUCTION SPECS INSTALLATION OPERATION ASSEMBLIES & INSPECTION SPARE PARTS INDEX TABLE OF CONTENTS Revision History Table 3 TABLE OF CONTENTS 4 INTRODUCTION 6 About This Manual 7 Using The Manual 7 Location of I.D. Numbers 7 Safety First 8 Buying Replacement Parts and Repair 8 Warnings 8 SPECIFICATIONS 10 Specifications 11 Hydraulic Requirements 11 Cylinder Data 11 Palletized Shipping Data 11 Operational Settings 11 Certificate of Conformity 13 INSTALLATION 14 Hanging the Spinner 15 Attaching to the Mast 15 Attaching the Fixed Line 15 Back Up Cables 15 Connecting The Hydraulic Line 16 Balancing Screw 16 Pipe Size Adjustment 16 OPERATIONS 17 Correct Height 18 Motor Direction 18 Throttle 18 Doors 18 Operation 19 Hydraulic Lift Cylinder Operation (Optional) 19 Hyraulic Lift Cylinder Operation (Optional) 20 Trouble Shooting 21 MAINTENANCE & INSPECTION 23 Chain (9G8000) 24 4

5 Initial Steps to Installing or Removing the Chain 24 Chain Removal 24 Drive Rollers 25 Idler Sprocket 25 Cylinder Repair 26 Grease Quality 26 Hydraulic Oil Quality 27 Primary Hydraulic Oil 27 Shell Tellus Oil Premium Lubrication 28 Lubrication Chart 28 Lubrication Points 29 ASSEMBLIES 30 MARK MARK 40 CASE ASSEMBLY 9MK40CASEASSM 32 MOTOR MOUNT PLATE SUB ASSEMBLY 9G HYDRAULIC MOTOR 9G IDLER SPROCKET SUB ASSEMBLY 9G DRIVE CHAIN 9G RIGHT HAND DOOR 39 LEFT HAND DOOR 41 4 OD PRESSURE ROLLER ASSEMBLY 9G LEFT ARM SUB ASSEMBLY 9G PRESSURE ROLLER SHAFT ASSEMBLY 9G CLEVIS SHAFT ASSEMBLY 9G DRIVE ROLLER SUB ASSEMBLY 9G BEARING CAP ASSEMBLY 9G HYDRAULIC CYLINDER SUB-ASSEMBLY 9G HYDRAULIC CONTROL VALVE ASSEMBLY (DOOR & MOTOR) 9G THREE BANK VALVE ASSEMBLY 9G HOSE CONNECTIONS - HYDRAULIC DOOR CYLINDER 48 HOSE CONNECTIONS - FRONT SIDE 48 HOSE CONNECTIONS - BACK SIDE 49 STERLING RELIEF VALVE & BODY 9G HOSE KIT 9G HYDRAULIC SCHEMATIC 51 TRI-SPRING HANGER ASSEMBLY 9G SUPPLY AND RETURN HOSES 9G LIFT CYLINDER 9G SPARE PARTS 55 RECOMMENDED SPARE PARTS FOR ONE YEAR OF USE 56 INDEX 57 TABLE OF CONTENTS INTRODUCTION SPECS INSTALLATION OPERATION MAINTENANCE & INSPECTION ASSEMBLIES SPARE PARTS INDEX 5

6 INTRODUCTION INTRODUCTION 6

7 The Mark 40 offers the ultimate in simplicity and rugged design. Designed to be compact and self contained; the Mark 40 does not require a stand-alone power pack. All the gripping pressure and spinning torque are generated at the drill pipe spinner. In standard rig installations a spring hanger assembly is provided. Keep in climate controlled environment where possible. The Mark 40 should be palletized and covered to be kept dry and free from moisture. The Mark 40 should be inspected for any rust or corrosion especially after storage and before use. All points of any type of rust or corrosion should be properly maintained or replaced prior to start up. Apply grease to all lubrication points prior to start up. Any parts showing signs of rust or corrosion should be thoroughly inspected prior to operation. INTRODUCTION About This Manual The purpose of this manual is to help you get the best value from your Mark 40. It can do so in several ways. It can help you decide what work needs to be done through scheduled maintenance and it offers repair procedures to follow when trouble occurs which will add to the longevity of your tool. This technical documentation contains instructions on safety, installation, operation and maintenance for the tool. It must be studied before working with the tool. This manual is intended for use by field service, engineering, installation, operation, and repair personnel. Every effort has been made to ensure the accuracy of the information contained herein. Blohm+Voss Oil Tools LLC is not liable for errors in this material, or for consequences arising from misuse of this material. Anyone using service procedures or tools, whether or not recommended by Blohm+Voss Oil Tools LLC, must be thoroughly satisfied that neither personal safety nor equipment safety will be jeopardized. Using The Manual Please refer to the diagram shown to the right showing the various positions of the Mark 40. These positions will be used when describing points of interest. Even though we have prepared this manual with extreme care, neither the publisher nor the author can accept responsibility for any errors in, or omissions from, the information given. Figure 1 Location of I.D. Numbers This very important identification number is stamped on a plate and is attached to the back side of the unit. The plate will list the name and location of the manufacturer and also the identification number of the tool. 7

8 INTRODUCTION Safety First Regardless of how enthusiastic you may be about beginning the job at hand, take the time to ensure that your safety is not jeopardized. A moment s lack of attention may result in an accident, as can failure to observe certain simple safety precautions. The possibility of an accident will always exist. Be aware of your environment and adhere to your company s safety guidelines. Above all else, please use common sense. Buying Replacement Parts and Repair The phone number, fax number and address can be found in the Table of Contents of this manual. Should you need replacement parts or repair services, please contact Blohm+Voss Oil Tools, LLC or certified service partners, distributors and agents. Warnings One should avoid creating ignition sources, like heat, as a result of the use of the tool with other tools or equipment. Warning plates, signs and labels must be present on the tool. Do not remove the labels. If they are missing, replacing the labels is mandatory All warning plates, signs and labels attached to the equipment must be observed. Do not use the tool for any other purpose than making up and breaking out tubular within its specification. Failure to conduct routine maintenance could result in equipment damage or injury to personnel. Keep a safe distance from the tool at all times. The tool must only be serviced by trained Blohm+Voss Oil Tools LLC authorized personnel. You must wear personal protection equipment when you work with this equipment. Always wear protective gear for eyes, head, hands and feet. If any safety elements (like safety ropes, safety ropes, safety sheets, plates or washers) were disassembled due to maintenance work, do not re-use them. Always replace them with new safety elements. 8

9 Keep hands and arms clear of all moving parts when connecting, disconnecting or operating the unit. When servicing the unit, be sure all power is off and supply lines are disconnected. Always use lifting apparatus (slings, cables, shackles and the like) that have been inspected are in good condition and are of the proper size. Ensure that all rigging and lifting procedures are in accordance with accepted oilfield practices and standards. INTRODUCTION Always check the unit for loose fasteners as well as any other damage to turning on the power unit. Always make sure that the control valve handle is in the neutral position prior to turning on the power unit. The use of only one backup line can cause the spinner to swing into the operator or personal. The use of ONLY one backup line can cause the spinner to swing into the operator or floor personnel and WILL cause injury. 9

10 SPECIFICATIONS SPECIFICATIONS 10

11 Specifications Hydraulic Requirements Hydraulic supply pressure (max.) Hydraulic supply pressure (min.) Hydraulic flow rate required Supply connection (min.) Return connection (min.) Length (B) Width (A) Heighth (D) Weight 2,500 psi (17.23 mpa) bar 1,750 psi (12.06 mpa) bar 20 gpm (75.7 lpm) 1 hose with 1/2 inlet 1 hose with 3/4 return 28.5 in (72.39 cm) 32.5 in (82.55 cm) 55 in (139.7 cm) 1,250 lbs (568.2 kg) SPECIFICATIONS Cylinder Data Total Height Retracted Total Height Extended Palletized Shipping Data Length Width Height Weight Operational Settings Average Torque Average rpm 88 in (2,235 mm) 106 in (2,692 mm) 48 in ( cm) 48 in ( cm) 61 in ( cm) 1,280 lbs (581.8 kg) 1,285 ft-lb (1,912 Nm) 90 rpm 11

12 SPECIFICATIONS Figure 2 GraySpin Dim. A Dim. B Dim. C Dim. D Weight Power Requirements AVG. RPM AVG. Torque Mark 40 Hydraulic 32.5 in / 82.6 cm 28.5 in (72.4 cm) 13.5 in / 34.2 cm 55 in (139.7 cm) 1,250 lbs kg 1,750 psi (12, kpa) bar 110 rpm 1,285 ft-lbs 1,912 Nm 12

13 Certificate of Conformity SPECIFICATIONS 13

14 INSTALLATION INSTALLATION 14

15 Hanging the Spinner The GraySpin Mark 40 should be hung using a wire rope that is ½ or greater and that is in accordance with acceptable practices. Attach the wire rope through the shackle at the top of the spring hanger assembly. Figure 3 Use of the GraySpin Mark 40 without the spring hanger assembly will shorten the life of the tool and cause improper operation which may lead to accidents. Disregard if there is a counterbalance in use. Figure 3 The position of the spinner should be located between the rotary table and draw-works (toward the off-driller side) about four feet back from the center of the rotary table. It should hang four to five feet above the floor as to contact the drill pipe and not the tool joint. The spinner should be easily pulled on and off the drill pipe and be completely out of the way when not in use. INSTALLATION The GraySpin Mark 40 will rotate drill pipe in both directions and consequently swing in either direction. The GraySpin Mark 40 must be equipped with two backup lines. These two backup lines or cables need to be attached to derrick legs or a comparable structure. Attachments should be made so that the swinging movement of the spinner is restricted to less than one foot in either direction. Attaching to the Mast Using a ½ hang-off cable attached to the mast (as high as possible) will allow an easy free swing around the wellbore. The higher up the fixed line is, the easier it will be to maneuver the GraySpin Mark 40 to its desired location. Attaching the Fixed Line Use a cross member to attach the fixed line to position the hang-off cable about two to three feet from the pipe center line. Across from the driller is where the GraySpin Mark 40 should be positioned. Back Up Cables The two lugs at the end of the GraySpin Mark 40 are to be used with two back up cables. These two cables will have to restrict the rotational movement to one foot in either direction. It is very important that these cables do not cross. Having only one cable would allow the possibility of having the GraySpin Mark 40 swing into the operator causing injury. Figure 4 15

16 Connecting The Hydraulic Line Typically a ¾ hydraulic pressure line should be run to the rig floor. A valve is required at this point in order to shut-off flow when maintenance to the tool is required. Install a ½, 4,000 PSI minimum hydraulic hose from the valve to the spinner. A 1 return line should be run to the rig floor and connected to the ¾ return line from the spinner. Keep the hose and piping as short as possible with as few fittings as possible. INSTALLATION Supplied with the Mark 40 are a ½ hi-pressure supply line and a ¾ return to tank line. The pressure hose has a ½ female quick disconnect which attaches to a ½ male quick disconnect at the right side of the spinner. The return hose has a ¾ female quick disconnect which connects to a ¾ male quick disconnect on the right side of the valve. Balancing Screw The tool can be leveled by turning the leveling screw atop the stationary hanger. Level the spinner by turning the balance screw. Figure 4 Pipe Size Adjustment The GraySpin Mark 40 will initially be set with the arm to cylinder connecting pin placed in the rear position. This will accommodate most pipe sizes. If it is necessary to move the pin to the front position, slowly activate the door valve until the pin is lined up past the front of the top plate. This will occur with the doors closed (cylinders extended). Disconnect power source. Remove the locking socket capscrew and pull the pin out. Rotate the door to line up cylinder clevis with the front pin position and replace pin locking cap screw. Repeat for the opposite door. Reattach power source. WARNING: CHECK ALL SPRING HANGER ASSEMBLY SHACKLES AND LOCK COTTER PINS FOR TIGHTNESS. Figure 5 WARNING: CHECK SPRING SAFETY CABLES FOR SOUNDNESS, (TWO REQUIRED). THE SPRING HANGER ASSEMBLY IS NECESSARY TO ALLOW THE SPINNER TO RISE AND FALL WITH THREADED TOOL JOINT MOVEMENTS. WARNING: THE USE OF ONLY ONE BACKUP LINE CAN CAUSE THE SPINNER TO SWING INTO THE OPERATOR OR FLOOR PERSONNEL AND WILL CAUSE INJURY. USE TWO BACKUP CABLES! 16

17 OPERATIONS OPERATION 17

18 Correct Height Before starting operation with the Mark 40, please make sure the pipe size set up matches the appropriate pipe O.D. The Mark 40 will initially be set with the arm cylinder connecting pin placed in the rear position. This will accommodate most pipe sizes. Position of the Doors The doors need to be open to position the tool. To open the doors, push the door valve lever in. Pulling the lever out will clamp the doors onto the pipe. Bring the Mark 40 to the correct height. Proper clearance is ½ between the pipe and the front rollers. OPERATION Approximately 12 above the tool joint, position the Mark 40 on the pipe making sure that you do not run the spinner rollers on the pipe upset or tool joint. Motor Direction You can change the direction of rotation of the drill pipe simply by reversing the position of both quick disconnects located at the hydraulic motor as shown in figure 7. Figure 6 Throttle Pulling the throttle control lever out will engage the driver rollers. There is a lock-out bracket that prevents engaging the motor to turn the opposite direction thus preventing damage to the operator and/ or the tool. To reverse the direction of the drive rollers, refer to Motor Direction. Doors Pushing the door valve lever will open the doors allowing the Mark 40 to be swung away from the pipe. Figure 7 Figure8 18

19 Operation 1. Check chain for tightness. Do not allow for slack. Motor capscrews must be tight. 2. With the doors open, swing the Mark 40 into position on the drill pipe. 3. Position the Mark 40 on the pipe approximately 12 above the tool joint. Make sure that you do not run the spinner rollers on the pipe upset or tool joint. Figure 9 4. Close the doors, clamping the spinner onto the drill pipe. This is accomplished by pulling the door valve handle out as far as possible. The door valve is located on the bottom of the spinner. 5. Activate rotation of the drill pipe by pulling the throttle valve handle out. Rotation of the drill pipe can be changed (spin-in, spin-out) by reversing the positions of the quick disconnect located at the hydraulic motor. OPERATION 6. Open the spinner doors by pushing in the door valve knob. Figure Move the spinner out of the way. Hydraulic Lift Cylinder Operation (Optional) Please refer to the installation section for proper installation procedures such as attaching to the mast, attaching the fixed lines, back up cables, connecting the hydraulic, shut off valve, balancing screw and pipe size adjustment. Figure 11 19

20 Hyraulic Lift Cylinder Operation (Optional) Please refer to the instalation section for proper installation procedures such as attaching to the mast, attaching the fixed line, back up cables, connecting the hydraulic line, balancing screw and pipe size adjustment. Check chain for tightness. Do not allow for slack. Motor capscrews must be tight. The operation of the Mark 40 is very simple. 1. With the doors open, swing the Mark 40 into position on the drill pipe. 2. Raise or lower the Mark 40 by operating the lift valve. Position the Mark 40 on the pipe approximately 12 above the tool joint. Make sure that you do not run the spinner rollers on the pipe upset or tool joint. OPERATION 3. Close the doors, clamping the spinner onto the drill pipe. This is accomplished by pulling the door valve out as far as possible. The door valve is located on the bottom of the spinner. 4. Activate rotation of the drill pipe by pulling the throttle valve handle out. Rotation of the drill pipe can be changed (spin-in, spin-out) by reversing the positions of the quick disconnect located at the air motor. 5. Open the spinner doors by pushing in the door valve knob. 6. Move the spinner out of the way. 20

21 Trouble Shooting Problem: Cause: Solution: Excessive noise levels. Motor overheating. Inadequate torque. Inadequate speed. Excessive pressure or speed. Pressure in the drain line or burst shaft seal. Mechanical vibrations. Motor incorrectly aligned. Air in circuit. Dumping over relief. Motor or cylinder seals worn. Oil viscosity too low. Inadequate cooling system. System pressure too low. Control valve relief valve is set too low. System GPM too low. Excessive drainage. Inadequate pump. Defective flow regulators. Air in the circuit / instability of relief valves. Drainage connected to the return line. Drain line pinched or too small. Excessive motor drainage. Repair worn or damaged components. Align correctly. Bleed circuit. Adjust relief valve or pressure valve. Overhaul motor. Reduce temperature or replace oil. Check or improve system. Set power to 2500 PSI. Increase pressure to motor by adjusting appropriate relief on control valve. Increase ¼ turn at a time. Lock-nut must be loosened prior. Set power unit at 20 GPM. Overhaul motor. Replace. Adjust or replace. Bleed circuit, adjust or replace. Connect directly to reservoir. Change line. Overhaul motor. OPERATION 21

22 Trouble Shooting OPERATION Incorrect sense of rotation. Drive rollers slip on drill pipe. Spinner does not clamp or clamps slowly on drill pipe (or unclamps). Unusual or uneven wear on pressure and/or drive rollers. Tubes connected incorrectly. Rollers are greasy and/or oil coated. Relief Valve for cylinder clamp pressure is set too low. Door pins in forward holes for large diameter drill pipe. Drive rollers are worn. Quick disconnects are improperly connected. Loose connections, leaking and/or crimped hoses. Power unit has insufficient fluid. Pressure relief valve set too low. Cylinder failure, oil leaking past piston. Faulty door valve bank. Drive roller bearing failure. Pressure Roller bearing failure. Spinner is not hanging level. Reverse the connection. Wash drive rollers with long handle bristle brush, soap and water. Increase pressure to clamping cylinder by turning port pressure relief valve 1.4 turn in or to the right. Locknut must be loosened prior. Move door pins to rear position. (See installation Section). Remove and inspect; replace as necessary. Check and reconnect. Check hoses and connections. Add hydraulic oil to unit. Check pressure relief valve on power unit. Remove and install repair kit or replace cylinder. Repair or install repair kit or replace cylinder. Replace bearings. Replace bearings. Level spinner with balancing screw. 22

23 MAINTENANCE & INSPECTION MAINTENANCE & INSPECTION 23

24 The GraySpin Mark 40 has been designed with the ease of repair as an important feature. The Mark 40 is comprised of modular components so that any problem can be easily detected. Every component can be either repaired or replaced in the field keeping down time to a minimum. Chain (9G8000) The double pitch chain that drives the Mark 40 has been overdesigned to insure longevity. If the chain must be removed in order to replace drive rollers, speed reducer assembly, or idler sprocket, the following procedures are recommended: Initial Steps to Installing or Removing the Chain 1. Make sure the Mark 40 is off the drill pipe connection and in rest position on the derrick. 2. Shut down the supply of power from the source or from the shut off valve. 3. Bleed any air pressure from the Mark 40 by cycling the door valve. Make sure the doors are fully open. 4. Disconnect the Mark 40 from the power source. 5. Assume that there is still a load on every actuator. Proceed with caution. MAINTENANCE & INSPECTION Chain Removal The chain used in the Mark 40 is a cottered type chain. Any link may be used as a master link; however, in most instances the original master link is facing down. Locate this link in the middle of the visible portion of the left hand drive roller by engaging the motor. Figure 12 Loosen the four 3/4 hex head capscrews attaching the speed reducer assembly to the top of the spinner case and slide forward. Remove the master link. The chain can be easily unthreaded with the exception of the motor sprocket. Pull the chain through the most rear position of the motor sprocket avoiding contact with the sprocket. Figure 13 24

25 Drive Rollers To remove one or both of the drive rollers the following procedure should be used: 1. Remove chain (See Chain Removal) 2. Remove one or both pressure arm assemblies. This is accomplished by removing the locking capscrew and pulling the cylinder pin. (Review the pipe size adjustment in The Installation Section) Remove arm pivot pin and arm. Figure Remove top and bottom bearing caps of the drive rollers by unfastening the (8) 1/2 hex head capscrews. The bearing caps, drive roller, shaft and sprocket are ready to be removed. 4. Remove the lowest snap ring from the shaft. It is not necessary to remove the sprocket. The drive rollers are a light press fit on the shaft. Press the bottom of the shaft down through the drive roller. If a press is unavailable (field repairs) use a large diameter brass punch and tap the shaft through the pressure roller. Figure To install new drive rollers reverse the above procedure. Prior to installation of the rollers on the drive-shaft, liberally coat both surfaces with an anti-seize compound. MAINTENANCE & INSPECTION Idler Sprocket Removal of the idler sprocket assembly is accomplished as follows: 1. Remove the chain (see Chain Installation) 2. On the Mark 10, the valve-to-motor hose should be disconnected from the motor and positioned rearward away from the sprocket. Figure 16 25

26 3. The idler sprocket is affixed with (2ea) 7/8 jam nuts atop the case. Remove the jam nuts while holding back-up on the bottom of the sprocket shaft (1 1/2 flats provided). Inspect washer for wear. Cylinder Repair Cylinder removal on the GraySpin Mark 40 Hydraulic Spinner is accomplished addressing the right hand cylinder first. Remove the arm/cylinder pin and pivot the arm forward. The clevis pin at the cylinder rear can be removed by first taking off the spiral retaining ring located at the bottom of the pin. Cylinder hoses can now be disconnected at the cylinder. (Note: Holes in the bottom of the spinner case are provided in order to drive clevis pins out if necessary.) Hydraulic cylinders can now be disassembled according to their respective drawings. Inspect cylinder bodies and cylinder rods for pitting, corrosion, straightness, and indentions. All seals should be replaced. See repair kits for appropriate replacement parts. Grease Quality In order to achieve efficient lubrication even at different environmental temperatures, we recommend that the following multipurpose grease types be used: MAINTENANCE & INSPECTION Retinax Grease LX2 Shell Alvania RL 3 Aviaticon XRF NLGI 0 Alternatively; use EP gear lubricating grease for greasing non-oil tight gear trains NESSOS SF0 NLGI 0 DIN GPOF-25 DIN GPOF-25 For environments in the range of 65 to 95 Fahrenheit or 18 to 35 Celsius, we recommend using a mineral / based lubricant such as ISO 68 or equivalent. 26

27 Hydraulic Oil Quality BVOT recommends a mineral based hydraulic oil, ISO 68 or equivalent for primary use in temperature ranges between F (18-35 C). For environments above or below this range, consult the chart below to select an appropriate substitute. Note: Holes in the bottom of the spinner case are provided in order to drive clevis pins out if necessary. WARNING: IF THE SPINNER DOES NOT COMPLETELY STOP AFTER RELEASING THE THROTTLE HANDLE, STOP OPERATIONS IMMEDIATELY AND REPAIR OR REPLACE FAULTY VALVE. Primary Hydraulic Oil For environments in the range of 65 to 95 Fahrenheit or 18 to 35 Celsius, we recommend using a mineral / based lubricant such as ISO 68 or equivalent hydraulic oil quality. For environments above or below this range, consult the chart below to select an appropriate substitute. Chevron Regal R&o ISO 220-ISO 680 Shell Tellus Oil Premium 68 MAINTENANCE & INSPECTION Figure 17 27

28 Lubrication The Mark 40 should be inspected and greased each week. For higher ambient temperature up to 86 Fahrenheit (30 Celsius) we recommend to use NLGI grade 2. Lubrication Chart No Location Frequency Type Quantity 1 Bearing Caps Daily Grease Pressure Roller 2 Shafts Daily Grease 3 (4 locations) Do not over grease and burst seals. (2 locations) Do not over grease and burst seals. Cylinder Rod Heads Daily Grease (2 locations) 4 Pivot Arm Shaft Daily Grease (2 locations) MAINTENANCE & INSPECTION 5 Arm at Clevis Pin Daily Grease (4 locations) 6 Chain (9G8000) Weekly and especially prior to periods of non-use. Use a chain and pin bushing aerosol lubricant 7 Idler Sprocket Daily Grease Do not over grease and burst seals. Start maintenance only when supply lines are disconnected and when all pressure has been released. Oil refers to SAE 10 non-detergent oil. Grease refers to a lithium base, extreme pressure, high temp, multi-purpose grease. 28

29 Lubrication Points MAINTENANCE & INSPECTION Figure 18 29

30 ASSEMBLIES ASSEMBLIES 30

31 MARK 40 Figure 19 Item Part Number Description Qty. 1 9MK40CASEASSM CASE ASSEMBLY 1 2 9G MOTOR MOUNT PLATE SUB ASSEMBLY 1 3 9G IDLER SPROCKET SUB ASSEMBLY 1 4 9G-8000 DRIVE CHAIN 1 5 9G RIGHT HAND DOOR ASSEMBLY 1 6 9G LEFT HAND DOOR ASSEMBLY 1 7 9G DRIVE ROLLER SUB ASSEMBLY 2 8 9G BEARING CAP ASSEMBLY 2 9 9G HYDRAULIC CYLINDER SUB ASSEMBLY G HYDRAULIC CONTROL VALVE ASSEMBLY G THREE BANK VALVE ASSEMBLY G TRI-SPRING HANGER ASSEMBLY G5007 LIFT CYLINDER 1 ASSEMBLIES 31

32 MARK 40 CASE ASSEMBLY 9MK40CASEASSM Figure 20 Figure 21 Figure 22 ASSEMBLIES Figure 23 Figure 24 Figure 25 32

33 MARK 40 CASE ASSEMBLY 9MK40CASEASSM Item Part Number Description Qty. 1 9MK40CASE MARK 40 CASE HYDRAULIC 1 2 9G HYD. PRESS / RETURN TAG 1 3 9G GRAYSPIN SN TAG 1 4 9G DO NOT RUN ON TOOL JOINT TAG 1 5 9G READ MANUAL TAG 1 6 9BN /8 X 1/4 RIVET HANGER BOLT 1 8 9BN /4-10 NYLON INSERTED LOCKNUT 1 9 9BN /32 X 2 COTTER PIN WORM BALANCE G IDLER SPROCKET SUB ASSY /4 PEAR LINK BN /8 X 3/4 SPRING ROLL PIN BV70751 SAFETY HANDLE BN /8-16 X 8-1/2 HHCS BN /8 FLAT WASHER BN /8-16 NYLON LOCK NUT G BEARING G BEARING 2 NOT PART OF CASE ASSEMBLY 20 9G1046 SIDE GUARD 2 ASSEMBLIES 33

34 MOTOR MOUNT PLATE SUB ASSEMBLY 9G ASSEMBLIES Figure 26 34

35 MOTOR MOUNT PLATE SUB ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 1 9BN HEX HEAD CAP SCREW 1 2 9BN SPLIT LOCKWASHER 9 3 9G1039 MOTOR SHAFT CAP 1 4 9G1017 DRIVE SPROCKET 1 5 9BN SET SCREW 1 6 9G1043 SPROCKET KEY 1 7 9G1040 SPROCKET SPACER 1 8 9G MOTOR MOUNT 1 9 9G1036 MOTOR MOUNT BUSHING BN HEX HEAD CAP SCREW BN NYLON LOCK NUT G HYDRAULIC MOTOR 1 ASSEMBLIES 35

36 HYDRAULIC MOTOR 9G ASSEMBLIES Figure 27 ITEM PART NUMBER DESCRIPTION QTY 1 9MK20H7 HOSE NO MK20H8 HOSE NO MK20H13 HOSE NO. 13 (CASE DRAIN) 1 4 9BN NYLON LOCK NUT 4 5 9BN SPLIT LOCKWASHER 9 6 9BN /4-10 X 2-1/2 HHCS 4 7 9BN /4 SPLIT LOCKWASHER 4 8 9BN /4 SAE FLAT WASHER 4 36

37 IDLER SPROCKET SUB ASSEMBLY 9G Figure 28 ITEM PART NUMBER DESCRIPTION QTY 1 9BN60107 GREASE ZERK 1 2 9G NYLOCK INSERTED LOCKNUT 1 3 9G FLAT WASHER 1 4 9G1008 IDLER SPROCKET SHAFT 1 5 9G1005 IDLER SPROCKET 1 6 9G THRUST WASHER 1 7 9G1016 IDLER SPACER 1 8 9G NYLOCK LOCKNUT 1 9 9BN65107 COTTER PIN 1 ASSEMBLIES 37

38 DRIVE CHAIN 9G8000 ASSEMBLIES Figure 29 Item Part number Description Qty 1 9G8000 DRIVE CHAIN 1 2 9G8000-RK DRIVE CHAIN REPAIR KIT 1 38

39 RIGHT HAND DOOR ASSEMBLIES Figure 30 39

40 4 OD PRESSURE ROLLER ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 1 9G OD PRESSURE ROLLER ASSEMBLY 1 2 9GAN1803 THRUST WASHER SEAL 2 3 9G THRUST WASHER 2 4 9GMR32 BEARING 3 5 9G SPACER 2 6 9G1300 BUSHING 1 7 9G PRESSURE ROLLER 1 RIGHT ARM SUB ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 8 9G RIGHT ARM 1 9 9G BRONZE BEARING G BRONZE BEARING BN SOCKET HEAD CAP SCREW BN SOCKET HEAD CAP SCREW BN64307 SPRING ROLL PIN BN60105 GREASE ZERK G WARNING TAG HANDS CLEAR BN41203 RIVET 4 ASSEMBLIES PRESSURE ROLLER SHAFT ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 17 9G PRESSURE ROLLER SHAFT ASSEMBLY G1011 PRESSURE ROLLER SHAFT G SAFETY PIN G1015 PIVOT ARM SHAFT G PIVOT ARM THRUST WASHER 2 CLEVIS SHAFT ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 22 9G CLEVIS SHAFT ASSEMBLY 2 40

41 LEFT HAND DOOR ASSEMBLIES Figure 31 41

42 4 OD PRESSURE ROLLER ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 1 9G OD PRESSURE ROLLER ASSEMBLY 1 2 9GAN1803 THRUST WASHER SEAL 2 3 9G THRUST WASHER 2 4 9GMR32 BEARING 3 5 9G SPACER 2 6 9G1300 BUSHING 1 7 9G PRESSURE ROLLER 1 LEFT ARM SUB ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 8 9G RIGHT ARM 1 9 9G BRONZE BEARING G BRONZE BEARING BN SOCKET HEAD CAP SCREW BN SOCKET HEAD CAP SCREW BN64307 SPRING ROLL PIN BN60105 GREASE ZERK G WARNING TAG HANDS CLEAR BN41203 RIVET 4 ASSEMBLIES PRESSURE ROLLER SHAFT ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 17 9G PRESSURE ROLLER SHAFT ASSEMBLY G1011 PRESSURE ROLLER SHAFT G SAFETY PIN G1015 PIVOT ARM SHAFT G PIVOT ARM THRUST WASHER 2 CLEVIS SHAFT ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 22 9G CLEVIS SHAFT ASSEMBLY 2 42

43 DRIVE ROLLER SUB ASSEMBLY 9G BEARING CAP ASSEMBLY 9G ASSEMBLIES Figure 32 43

44 DRIVE ROLLER SUB ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 1 9BN HEX HEAD CAP SCREW G1009 BEARING CAP 2 4 9G BEARING CAP INSERT 2 5 9G1007 DRIVE ROLLER SPROCKET 1 6 9BN SET SCREW 2 7 9G DRIVE ROLLER 1 8 9G1010 DRIVE ROLLER SHAFT 1 9 9G WASHER G EXTERNAL RETAINING RING G SHAFT KEY G SPROCKET SPACER G ROLLER SPROCKET KEY BN LOCKWASHER G BEARING CAP ASSEMBLY 2 ASSEMBLIES BEARING CAP ASSEMBLY 9G ITEM PART NUMBER DESCRIPTION QTY 2 9G1009 BEARING CAP 1 3 9BN / ZERK G SPHERICAL BEARING G BEARING CAP SEAL G RETAINING RING BN /4-20 X 3/8 SHCS BN /4 HI COLLAR LOCKWASHER 4 44

45 HYDRAULIC CYLINDER SUB-ASSEMBLY 9G Figure 33 ITEM PART NUMBER DESCRIPTION QTY 1 9G5004 ARM CYLINDER 1 2 9G CYLINDER CLEVIS PIN 1 3 9G SAFETY PIN 1 4 9G CYLINDER CLEVIS 1 5 9G1025 CLEVIS SPACER 1 6 9BN /4-28 GREASE ZERK STRAIGHT 1 7 9HC410C50X 1/4 JIC X 5/8 ORB HC410F50X 1/4 JIC X 5/8 ORB STRAIGHT 1 ASSEMBLIES 45

46 HYDRAULIC CONTROL VALVE ASSEMBLY (DOOR & MOTOR) 9G ASSEMBLIES Figure 34 ITEM PART NUMBER DESCRIPTION QTY 1 9G6005 TWO BANK CLOSED HYDRAULIC VAVLE 1 2 9G6005-LK LINKAGE KIT 2 3 9G DOOR - HANDLE 1 4 9G MOTOR - HANDLE 1 5 9G LOCK OUT BRACKET 1 6 9G SPACERS 2 46

47 THREE BANK VALVE ASSEMBLY 9G Figure 35 ITEM PART NUMBER DESCRIPTION QTY 1 N/A INLET - PRESSURE 1 2 9G OPEN CENTER PLUG FOR G G LIFT - GOLD 1 4 9G DOORS - RED 1 5 9G MOTOR - BLACK 1 6 9G LOCK OUT FOR 9G N/A OUTLET - RETURN 1 8 9G SPACER FOR V20 GRESEN VALVE 2 9 9G6005-LK HYDRAULIC VALVE LINKAGE KIT 3 ASSEMBLIES 47

48 HOSE CONNECTIONS - HYDRAULIC DOOR CYLINDER HOSE CONNECTIONS - FRONT SIDE Figure 36 ASSEMBLIES Figure 37 48

49 HOSE CONNECTIONS - BACK SIDE STERLING RELIEF VALVE & BODY 9G6011 Figure 38 RETURN LINE PRESSURE LINE ASSEMBLIES Figure 39 49

50 HOSE KIT 9G10002 ITEM PART NUMBER DESCRIPTION QTY 1 9MK40H1 HOSE NO MK40H2 HOSE NO MK40H3 HOSE NO MK40H4 HOSE NO MK40H5 HOSE NO MK40H6 HOSE NO MK40H7 HOSE NO MK40H8 HOSE NO MK40H9 HOSE NO MK40H10 HOSE NO MK40H11 HOSE NO MK40H12 HOSE NO MK40H13 HOSE NO MK40H14 HOSE NO G1041 HYDRAULIC BACK OUTLET GAUGE HC4267HPP HYDRAULIC MANIFOLD CLAMP G6011 STERLING RELIEF VALVE & BODY HC4267HPP MANIFOLD CLAMPS 2 ASSEMBLIES 50

51 HYDRAULIC SCHEMATIC ASSEMBLIES Figure 40 51

52 TRI-SPRING HANGER ASSEMBLY 9G ASSEMBLIES Figure 41 ITEM PART NUMBER DESCRIPTION QTY 1 9G1032 HEAVY DUTY HANGER SPRING 3 2 9G TRI SPRING HANGER BRACKET 2 3 9G SPRING HANGER SAFETY CABLE 3 4 9G SHACKLE 6 5 9G SHACKLE 2 52

53 SUPPLY AND RETURN HOSES 9G10002 ASSEMBLIES Item Part number Description Figure MK40H1 SUPPY HOSE (20 x 1/2 ) 1 2 9MK40H2 RETURN HOSE (20 x 3/4 ) 2 3 9HCPVEP15 3/4 ALUM PLUG / CHAIN 1 4 9HCPVEP17 1 ALUM PLUG / CHAIN 1 5 9HCFVEP15 3/4 FLAT FACE QDC COUPLER 1 6 9HCFVEP17 1 FLAT FACE QDC COUPLER 1 Qty 53

54 LIFT CYLINDER 9G5007 Figure 43 ASSEMBLIES ITEM PART NUMBER DESCRIPTION QTY 1 9G HYDRAULIC LIFT CYLINDER 1 2 MK40H5 MARK 40 HOSE NO HCMVEP7 1/4 STUCCHI MALE (NIPPLE) QDC 1 4 HCFVEP7 1/4 STUCCHI FEMALE (COUP) QDC 1 5 HC84CR 1/2 MPT X 1/4 MPT HC8HHP 1/2 MPT COUNTERSUNK PLUG 1 7 9G /8 SHACKLE 1 54

55 SPARE PARTS SPARE PARTS 55

56 RECOMMENDED SPARE PARTS FOR ONE YEAR OF USE ITEM PART NUMBER DESCRIPTION QTY 1 9G SPHERICAL BEARING 4 2 9G BEARING CAP SEAL 4 3 9G DRIVE ROLLER 2 4 9G EXTERNAL RETAINING RING 2 5 9G RETAINING RING 2 6 9G DRIVE ROLLER THRUST WASHER 2 7 9G PIVOT ARM THRUST WASHER 2 8 9G IDLER SPROCKET BRONZE BEARING 1 9 9G8000 DRIVE CHAIN G8000-RK DRIVE CHAIN REPAIR KIT G5001-RK HYDRAULIC CYLINDER REPAIR KIT GMR32 PRESSURE ROLLER BEARING G5007-RK HYDRAULIC CYLINDER REPAIR KIT G6005-RK REPAIR KIT FOR 6005 HYDRAULIC VALVE GAN1803 PRESSURE ROLLER THRUST WASHER SEAL G /2 OD PRESSURE ROLLER 2 SPARE PARTS 56

57 INDEX INDEX 57

58 INDEX 1/ ZERK 44 1 ALUM PLUG / CHAIN 53 1 FLAT FACE QDC COUPLER /2 PRESSURE ROLLER 56 3/4-10 X 2-1/2 HHCS 36 3/4 ALUM PLUG / CHAIN 53 3/4 FLAT FACE QDC COUPLER 53 3/4 SAE FLAT WASHER 36 3/4 SPLIT LOCKWASHER 36 4 OD PRESSURE ROLLER ASSEMBLY 40, 42 9BN , 42 9BN , 42 9BN BN , 42 9BN BN BN BN , 44 9BN , 42 9BN , 42 9BN BN BN BN BN , 36 9BN BN , 36 9G G G G G G G G , 42 9G , 42 9G

59 9G , 42 9G , 40, 42, 56 9G , 56 9G G , 42 9G , 42 9G , 42 9G G G , 42 9G G G G , 56 9G G G G , 42 9G G G G G G G G G G G , 44 9G , 42 9G , 37 9G , 35 9G , 42 9G G G G , 56 INDEX 59

60 INDEX 9G G , 42, 45 9G G G G , 56 9G5001-RK 56 9G G G G , 46 9G G G G6005-LK 46 9G , 50 9G , 38 9G8000-RK 38 9G , 53 9G , 42 9G , 42 9GAN , 42, 56 9GMR32 40, 42 9HC48CTX 45 9HC48FTX 45 9HC4267HPP 50 9HCFVEP HCFVEP HCPVEP HCPVEP MK20H7 36 9MK20H8 36 9MK20H MK40H1 50, 53 9MK40H2 50, 53 9MK40H3 50 9MK40H

61 9MK40H5 50 9MK40H6 50 9MK40H7 50 9MK40H8 50 9MK40H9 50 9MK40H MK40H MK40H MK40H MK40H14 50 A ARM CYLINDER 45 B BEARING 40, 42, 43, 44, 56 BEARING CAP 44 BEARING CAP ASSEMBLY 43, 44 BEARING CAP INSERT 44 BEARING CAP SEAL 56 BRONZE BEARING 40, 42, 56 BUSHING 40, 42 C CAP 35, 40, 42, 43, 44, 56 CASE DRAIN 36 CLEVIS SHAFT ASSEMBLY 40, 42 CLEVIS SPACER 45 COTTER PIN 37 CYLINDER CLEVIS 45 CYLINDER CLEVIS PIN 45 D DOOR - HANDLE 46 DOOR - RED 46 DRIVE CHAIN 31, 38 DRIVE CHAIN REPAIR KIT 38 DRIVE ROLLER 43, 44, 56 DRIVE ROLLER SHAFT 44 DRIVE ROLLER SPROCKET 44 INDEX 61

62 INDEX DRIVE ROLLER SUB ASSEMBLY 43, 44 DRIVE SPROCKET 35 E EXTERNAL RETAINING RING 44, 56 F FLAT WASHER 37 G GREASE ZERK 37, 40, 42 H HEAVY DUTY HANGER SPRING 52 HEX HEAD CAP SCREW 35, 44 HOSE NO HOSE NO HOSE NO HOSE NO HOSE NO. 5 50, 54 HOSE NO HOSE NO. 7 36, 50 HOSE NO. 8 36, 50 HOSE NO HOSE NO HOSE NO HOSE NO HOSE NO HOSE NO. 13 (CASE DRAIN) 36 HOSE NO HYDRAULIC BACK OUTLET GAUGE HYDRAULIC CYLINDER REPAIR KIT 56 HYDRAULIC MANIFOLD CLAMP 50 HYDRAULIC MOTOR 35 I IDLER SPACER 37 IDLER SPROCKET 37, 56 IDLER SPROCKET SHAFT 37 IDLER SPROCKET SUB ASSEMBLY 31, 37 J 62

63 K KEY 44 L LINKAGE KIT 46 LOCK OUT BRACKET 46 LOCKWASHER 35, 36 M MANIFOLD CLAMPS 50 MARK 20 HOSE AND FITTING KIT 53 MARK 30 CASE 32, 33 MARK 30 CASE ASSEMBLY 32, 33 MOTOR - HANDLE 46 MOTOR HOSE 36 MOTOR MOUNT 35 MOTOR MOUNT BUSHING 35 MOTOR MOUNT PLATE SUB ASSEMBLY 34, 35, 36 MOTOR SHAFT CAP 35 MPT MPT STRAIGHT 45 N NYLOCK INSERTED LOCKNUT 37 NYLON LOCK NUT 35, 36 O P PIVOT ARM SHAFT 40, 42 PIVOT ARM THRUST WASHER 40, 42, 56 PRESSURE ROLLER 40, 42 PRESSURE ROLLER ASSEMBLY 40, 42 PRESSURE ROLLER SHAFT 40, 42 PRESSURE ROLLER SHAFT ASSEMBLY 40, 42 PRESSURE ROLLER THRUST WASHER 56 PRESSURE ROLLER THRUST WASHER SEAL 56 Q R RELIEF VALVE 49 RETAINING RING 56 INDEX 63

64 INDEX RETURN HOSE (20 x 3/4 ) 53 RIGHT ARM 40, 42 RIVET 40, 42 ROLLER SPROCKET KEY 44 S SAFETY PIN 40, 42, 45 SET SCREW 35, 44 SHACKLE 52 SHAFT 44 SHAFT KEY 44 SOCKET HEAD CAP SCREW 40, 42 SPACER 35, 37, 40, 42, 44, 45 SPACERS 46 SPHERICAL BEARING 56 SPLIT LOCKWASHER 35, 36 SPRING HANGER SAFETY CABLE 52 SPRING ROLL PIN 40, 42 SPROCKET SPACER 35, 44 SPROKET KEY 35 STERLING RELIEF VALVE & BODY 50 SUPPLY AND RETURN HOSES 53 SUPPY HOSE (20 x 1/2 ) 53 T THRUST WASHER 37, 40, 42, 56 THRUST WASHER SEAL 40, 42, 56 TRI SPRING HANGER BRACKET 52 TWO BANK CLOSED HYDRAULIC VAVLE 46 TWO BANK CLOSED HYD. VAVLE 46 U V W WARNING TAG HANDS CLEAR 40, 42 WASHER 37, 40, 42, 44, 56 X Y Z 64

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