Thursday, July 3, 2008
2.12 1932E2 Steer Cylinder Repair
Disassembly
IMPORTANT
DISSASSEMBLY OF THE CYLINDER SHOULD BE PERFORMED ON A CLEAN WORK SURFACE IN A DIRT FREE WORK AREA.
WARNING
DO NOT FULLY EXTEND CYLINDER TO END OF STOKE. RETRACT CYLINDER SLIGHTLY TO AVOID TRAPPING PRESSURE.
1. Place the cylinder barrel into a suitable holding fixture.
2. Using a suitable hammer, tap around the outside of the cylinder barrel and guide to shatter the Loctite.
3. Using a suitable spanner wrench, carefully remove the guide from the rod clevis end of the cylinder barrel.
4. Attach a suitable pulling device to the clevis end of cylinder rod section one.
IMPORTANT
EXTREME CARE SHOULD BE TAKEN WHEN REMOVING THE CYLINDER ROD, GUIDE, AND PISTON. AVOID PULLING THE ROD
OFF-CENTER, WHICH COULD CAUSE DAMAGE TO THE PISTON AND CYLINDER BARREL SURFACES.
5. With the barrel clamped securely, apply pressure to the rod pulling device and carefully withdraw the complete rod Assembly from the cylinder barrel.
6. Using a suitable hammer, tap around the outside of the cylinder barrel and guide to shatter the Loctite.
7. Using a suitable spanner wrench, carefully remove the remaining guide from the cylinder barrel. Remove and discard the wiper ring, rod seal, backup ring and o-ring.
8. Using suitable protection, clamp cylinder rod section two in a vise or similar holding fixture.
9. Carefully remove cylinder rod section one from cylinder rod section two and carefully remove the piston from the cylinder rod. Remove and discard the piston seal and o-ring.
10. Carefully remove the guide from cylinder rod section one. Remove and discard the o-ring, back-up ring, rod seal, and wiper ring.
11. Remove the cylinder rod from the holding fixture.
NOTE: Prior to cylinder assembly, ensure that the proper
cylinder seal kit is used. Refer to the Illustrated Parts
Manual.
Apply a light film of hydraulic oil to all components
prior to assembly.
1. Using suitable protection, clamp the cylinder rod section one in a vise or similar holding fixture.
2. Place a new wiper ring, rod seal, o-ring, and back-up ring into the cylinder rod guide grooves.
3. Carefully install the cylinder rod guide on rod section one, ensuring that the wiper ring and rod seal are not damaged or dislodged. Push the guide onto the rod section.
4. Place a new piston ring on the piston and a new oring on the threaded end of cylinder rod section two.
5. Carefully place the piston on the threaded end of cylinder rod section two, ensuring that the o-ring is not damaged or dislodged. Push the piston onto the rod as far as it will go.
6. Attach cylinder rod section one to the threaded end of cylinder rod section two and assemble.
7. Remove the cylinder rod assembly from the holding fixture.
8. Position the cylinder barrel in a suitable holding fixture.
IMPORTANT
EXTREME CARE SHOULD BE TAKEN WHEN INSTALLING THE CYLINDER ROD, CYLINDER ROD GUIDE, AND PISTON. AVOID PULLING THE ROD OFF-CENTER, WHICH COULD CAUSE DAMAGE TO THE PISTON AND CYLINDER BARREL SURFACES.
9. With the barrel clamped securely, and while adequately supporting the cylinder rod assembly, insert the piston end of the rod assembly into the cylinder barrel. Ensure that the piston ring and o-ring are not damaged or dislodged.
10. Continue pushing the rod into the barrel until the cylinder rod guide can be inserted into the end of the cylinder barrel.
11. Coat the threads of the cylinder rod guide with Loctite #271 then secure the cylinder rod guide to the cylinder barrel using a suitable spanner wrench.
12. On the remaining cylinder rod guide place a new wiper ring, rod seal, o-ring, and back-up ring into the cylinder rod guide grooves.
13. Carefully install the cylinder rod guide onto rod section two and slide the guide into the end of the cylinder barrel.
14. Coat the threads of the cylinder rod guide with Loctite #271 then secure the cylinder rod guide to the cylinder barrel using a suitable spanner wrench.
Reconnect the hydraulic hoses to the applicable cylinder ports.
This blog is designed to provide service technicians with information on the maintenance and repair of the equipment designated. This blog is no substitute for an appropriate education, skill development that comes through experience alone, safety, wise and judicious discernment, and ultimately proper performance of service procedures. You should read and understand the manuals, obey all locally approved safety practices, procedures, rules, codes, regulations and laws.
By using the blog you agree to indemnify and hold harmless GCIron.com, its officers, directors, and employees, against any and all third-party costs, claims and expenses including attorney's fees arising out of or relating to use of this site and information. GCIron.com assumes no responsibility and risk for use by any person or organization of the website and the service provided by GCIron.com
Copyright © 2008 JLG Industries -Manual 3120737
DISSASSEMBLY OF THE CYLINDER SHOULD BE PERFORMED ON A CLEAN WORK SURFACE IN A DIRT FREE WORK AREA.
DO NOT FULLY EXTEND CYLINDER TO END OF STOKE. RETRACT CYLINDER SLIGHTLY TO AVOID TRAPPING PRESSURE.
1. Place the cylinder barrel into a suitable holding fixture.
2. Using a suitable hammer, tap around the outside of the cylinder barrel and guide to shatter the Loctite.
3. Using a suitable spanner wrench, carefully remove the guide from the rod clevis end of the cylinder barrel.
4. Attach a suitable pulling device to the clevis end of cylinder rod section one.
EXTREME CARE SHOULD BE TAKEN WHEN REMOVING THE CYLINDER ROD, GUIDE, AND PISTON. AVOID PULLING THE ROD
OFF-CENTER, WHICH COULD CAUSE DAMAGE TO THE PISTON AND CYLINDER BARREL SURFACES.
5. With the barrel clamped securely, apply pressure to the rod pulling device and carefully withdraw the complete rod Assembly from the cylinder barrel.
6. Using a suitable hammer, tap around the outside of the cylinder barrel and guide to shatter the Loctite.
7. Using a suitable spanner wrench, carefully remove the remaining guide from the cylinder barrel. Remove and discard the wiper ring, rod seal, backup ring and o-ring.
8. Using suitable protection, clamp cylinder rod section two in a vise or similar holding fixture.
9. Carefully remove cylinder rod section one from cylinder rod section two and carefully remove the piston from the cylinder rod. Remove and discard the piston seal and o-ring.
10. Carefully remove the guide from cylinder rod section one. Remove and discard the o-ring, back-up ring, rod seal, and wiper ring.
11. Remove the cylinder rod from the holding fixture.
If you would like more details or parts on the above photo click here.
If you would like to purchase the seal kit for the steer cylinder 1532E2 & 1932E2 (prior to Serial Number 67287), 2032E2, 2632E2, 2646E2 & 3246E2 (prior to Serial Number 66990) click here.
If you would like to purchase the seal kit for the steer cylinder 1532E2 & 1932E2 (Serial Number 67287 to present), 2032E2, 2632E2, 2646E2, 3246E2 (Serial Number 66990 to present) click here.
Cleaning and Inspection
1. Clean all parts thoroughly in an approved cleaning solvent.
2. Inspect the cylinder rod for scoring, tapering, ovality, or other damage. If necessary, dress rod with Scotch Brite or equivalent. Replace rod if necessary.
3. Inspect threaded portion of rod for excessive damage. Dress threads as necessary.
4. Inspect inner surface of cylinder barrel tube for scoring or other damage. Check inside diameter for tapering or ovality. Replace if necessary.
5. Inspect piston surface for damage and scoring and for distortion. Dress piston surface or replace piston as necessary.
6. Inspect seal and o-ring grooves in piston for burrs and sharp edges. Dress applicable surfaces as necessary.
7. Inspect cylinder guide inside diameter for scoring or other damage and for ovality and tapering. Replace as necessary.
8. Inspect seal and o-ring grooves in guide for burrs and sharp edges. Dress applicable surfaces as necessary.
9. Inspect cylinder guide outside diameter for scoring or other damage and ovality and tapering. Replace as necessary.
10. Inspect the oil ports for blockage or the presence of dirt or other foreign material. Repair as necessary.
NOTE: Prior to cylinder assembly, ensure that the proper
cylinder seal kit is used. Refer to the Illustrated Parts
Manual.
Apply a light film of hydraulic oil to all components
prior to assembly.
1. Using suitable protection, clamp the cylinder rod section one in a vise or similar holding fixture.
2. Place a new wiper ring, rod seal, o-ring, and back-up ring into the cylinder rod guide grooves.
3. Carefully install the cylinder rod guide on rod section one, ensuring that the wiper ring and rod seal are not damaged or dislodged. Push the guide onto the rod section.
4. Place a new piston ring on the piston and a new oring on the threaded end of cylinder rod section two.
5. Carefully place the piston on the threaded end of cylinder rod section two, ensuring that the o-ring is not damaged or dislodged. Push the piston onto the rod as far as it will go.
6. Attach cylinder rod section one to the threaded end of cylinder rod section two and assemble.
7. Remove the cylinder rod assembly from the holding fixture.
8. Position the cylinder barrel in a suitable holding fixture.
EXTREME CARE SHOULD BE TAKEN WHEN INSTALLING THE CYLINDER ROD, CYLINDER ROD GUIDE, AND PISTON. AVOID PULLING THE ROD OFF-CENTER, WHICH COULD CAUSE DAMAGE TO THE PISTON AND CYLINDER BARREL SURFACES.
9. With the barrel clamped securely, and while adequately supporting the cylinder rod assembly, insert the piston end of the rod assembly into the cylinder barrel. Ensure that the piston ring and o-ring are not damaged or dislodged.
10. Continue pushing the rod into the barrel until the cylinder rod guide can be inserted into the end of the cylinder barrel.
11. Coat the threads of the cylinder rod guide with Loctite #271 then secure the cylinder rod guide to the cylinder barrel using a suitable spanner wrench.
12. On the remaining cylinder rod guide place a new wiper ring, rod seal, o-ring, and back-up ring into the cylinder rod guide grooves.
13. Carefully install the cylinder rod guide onto rod section two and slide the guide into the end of the cylinder barrel.
14. Coat the threads of the cylinder rod guide with Loctite #271 then secure the cylinder rod guide to the cylinder barrel using a suitable spanner wrench.
Reconnect the hydraulic hoses to the applicable cylinder ports.
This blog is designed to provide service technicians with information on the maintenance and repair of the equipment designated. This blog is no substitute for an appropriate education, skill development that comes through experience alone, safety, wise and judicious discernment, and ultimately proper performance of service procedures. You should read and understand the manuals, obey all locally approved safety practices, procedures, rules, codes, regulations and laws.
By using the blog you agree to indemnify and hold harmless GCIron.com, its officers, directors, and employees, against any and all third-party costs, claims and expenses including attorney's fees arising out of or relating to use of this site and information. GCIron.com assumes no responsibility and risk for use by any person or organization of the website and the service provided by GCIron.com
Copyright © 2008 JLG Industries -Manual 3120737
# posted by gcironparts @ 10:51 AM 
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In this times , with all the newest technologies in machinery, the utilization of Hydraulic cylinders plays a serious role during a wide selection of applications. this technique may be a simple arrangement of piston and cylinders which is capable of lifting heavy objects. Most of the car parts or heavy machinery functions on the principle of hydraulics. There are a couple of other mechanisms like bulldozers, elevators, excavators and forklifts that use hydraulic cylinders too.These systems are available in varying sizes, as an example when installed in automobiles, they're available in small sizes, whereas, in heavier applications like dumpster trucks or heavy bulldozers they're available in larger sizes for smoother maneuvering and straightforward lifting. Nevertheless, all cylinders share the common components, repair and maintenance procedures.
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