Removal Procedure
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Table 1
| Required Tools |
| Tool |
Part Number |
Part Description |
Qty |
| A |
8S-9906 |
Ratchet Puller Gp |
1 |
| B |
138-7575 |
Link Bracket |
1 |
| C |
138-7574 |
Link Bracket |
1 |
Start By:
- Remove the rear center bottom guard only. Refer to Disassembly and Assembly, "Bottom Guard - Remove".
Note: Removing both of the fan motor pumps and the implement pump can be used as an alternate method.
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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 attachments have been lowered, 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 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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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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.
- Remove the floorplate (not shown).
- Drain the hydraulic oil from the hydraulic tank into a suitable container for storage or disposal.
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| Illustration 1 | g00535563 |
- Remove the flanges from the fan drive pump (1) and disconnect hose assembly (2) .
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| Illustration 2 | g00535564 |
- Remove the flanges and disconnect hose assembly (3) from the top of implement pump (4) .
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| Illustration 3 | g00535566 |
- Disconnect hose assemblies (5) and (6) from the bottom of implement pump (4) .
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| Illustration 4 | g00535569 |
- Disconnect hose assembly (7) from the bottom of implement pump (4) .
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| Illustration 5 | g00535574 |
- Remove the lower nuts (8) that hold implement pump (4) to the flywheel housing.
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| Illustration 6 | g00535576 |
- Remove screws (9) and remove cover (10) on the ceiling.
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| Illustration 7 | g00553496 |
- Install Tooling (B) to the roof of the cab.
- Attach a suitable lifting device to Tooling (A) and Tooling (B) .
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| Illustration 8 | g00557842 |
- Install Tooling (C) to the top of the implement pump (4) .
- Attach Tooling (A) to the top of implement pump (4) .
- Remove the upper nuts (11) .
- Lower implement pump (4) through the bottom of the machine. The weight of the implement pump (4) is approximately 136 kg (300 lb).
