Removal Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 1P-1860 | Retaining Ring Pliers As | 1 |
| B | 1P-1863 | Retaining Ring Pliers As | 1 |
Start By:
- Release the pressure in the hydraulic oil system. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release".
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Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed. Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death. Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder. |
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| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Disconnect hose assemblies (1) and (2) .
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| Illustration 1 | g01247267 |
- Attach a suitable lifting device to lift cylinder (4). The weight of lift cylinder (4) is approximately 57 kg (125 lb).
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| Illustration 2 | g01247269 |
- Use Tooling (A) in order to remove retaining ring (6). Remove pin assembly (5) and lower the rod end of lift cylinder (4). Use Tooling (B) in order to remove retaining ring (3). Remove washer (7). Remove lift cylinder (4) .
Disassembly and Assembly Information
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| C | 1P-0510 | Driver Gp | 1 |
| D | 5P-0960 | Grease Cartridge | 1 |
| E | 4C-9507 | Retaining Compound | 1 |
| F | 9S-3263 | Thread Lock Compound | 1 |
| G | 125-0079 | Hydraulic Cylinder Repair Stand Gp | 1 |
|
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed. Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death. Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder. |
|
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| Illustration 3 | g01248083 |
(1) Apply Tooling (E) to the bearing.
(2) Lubricate the seals with the fluid that is being sealed.
(3) (7) Use Tooling (C) for the removal of the bearings.
(4) Torque for the head ... 650 ± 50 N·m (480 ± 37 lb ft)
(5) Torque for the piston ... 875 ± 25 N·m (645 ± 18 lb ft)
(6) Apply Tooling (F) to the threads of setscrew. Torque for the setscrew ... 26 ± 2.5 N·m (18 ± 2 lb ft)
Installation Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 1P-1860 | Retaining Ring Pliers As | 1 |
| B | 1P-1863 | Retaining Ring Pliers As | 1 |
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
- Attach a suitable lifting device to lift cylinder (4). The weight of lift cylinder (4) is approximately 57 kg (125 lb).
| | |
| Illustration 4 | g01247269 |
- Install the head end of lift cylinder (4). Install washer (7). Use Tooling (B) in order to install retaining ring (3). Raise the rod end of lift cylinder (4) and install pin assembly (5). Use Tooling (A) in order to install retaining ring (6).
- Connect hose assemblies (1) and (2) .
| | |
| Illustration 5 | g01247267 |