Removal Procedure
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Table 1
| Required Tools |
| Tool |
Part Number |
Description |
Qty |
| A |
185-3630 |
Strap Wrench As |
1 |
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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
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| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the machine. 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 Tools and Shop Products Guide"for tools and supplies to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations. |
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Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
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| Illustration 1 | g01368815 |
- Disconnect harness assembly (2) .
- Remove bolts (3) from step assembly (1) .
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| Illustration 2 | g01368816 |
- Loosen bolts (4). Use two people and remove step assembly (1) from the machine. The weight of step assembly (1) is approximately 23 kg (50 lb).
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| Illustration 3 | g01368850 |
- Disconnect hose assemblies (7), (8), (9), and (10) .
- Remove bolts (5), bolts (6), and the oil filter assemblies.
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| Illustration 4 | g01368876 |
Note: Use the following procedure to disassemble the oil filter assemblies.
- Remove screws (12). Remove indicator (13) and the O-ring seals from filter base (11) .
- Use Tooling (A) in order to remove hydraulic filter (14). Remove oil filter (14) from filter base (11) .
- Repeat Step 6 and Step 7 on the other oil filter assembly.
Installation Procedure
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Table 2
| Required Tools |
| Tool |
Part Number |
Part Description |
Qty |
| A |
185-3630 |
Strap Wrench As |
1 |
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| Illustration 5 | g01368876 |
Note: Use the following procedure to assemble the oil filter assemblies.
- Use Tooling (A) in order to install oil filter (14). Install oil filter (14) on filter base (11). Tighten the oil filter to a torque of 44 ± 4 N·m (33 ± 3 lb ft).
- Position the O-ring seals and indicator (13) on filter base (11). Install screws (12). Tighten the screws to a torque of 1.7 N·m (15 lb in).
- Repeat Step 1 and Step 2 on the other oil filter assembly.
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| Illustration 6 | g01368850 |
- Install the oil filter assemblies, bolts (5), and bolts (6) .
- Connect hose assemblies (10), (9), (8), and (7) .
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| Illustration 7 | g01368816 |
- Use two people and install step assembly (1) to the machine. The weight of step assembly (1) is approximately 23 kg (50 lb). Do not tighten bolts (4) at this time.
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| Illustration 8 | g01368815 |
- Install bolts (3) to step assembly (1). Tighten all of the bolts at this time.
- Connect harness assembly (2) .
