Removal Procedure
Start By:
- Remove the batteries. Refer to Disassembly and Assembly, "Battery - Remove and Install".
- Remove the muffler. Refer to Disassembly and Assembly, "Exhaust (Muffler) - Remove and Install".
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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 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 hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
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| Illustration 1 | g01138506 |
- Remove bolts (3) and tube (2) .
- Open cover (1). Remove the bolts and cover (1) .
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| Illustration 2 | g01138508 |
- Remove bolts (4) .
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| Illustration 3 | g01138510 |
- Remove bolts (5) .
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| Illustration 4 | g01138511 |
- Loosen clamp (8) on the air cleaner tube.
- Remove bolts (6) and cover (7) .
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| Illustration 5 | g01138512 |
- Remove bolts (10) from housing (9) .
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| Illustration 6 | g01138513 |
- Attach Tooling (A) and a suitable lifting device to housing (9). Remove housing (9) from the machine. The weight of housing (9) is approximately 82 kg (180 lb).
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| Illustration 7 | g01138515 |
- Disconnect harness assembly (11) .
- Disconnect hose assemblies (13) from control valve (12) .
- Remove bolts (14) and remove control valve (12) .
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| Illustration 8 | g01139110 |
- Remove nut (16) from solenoid (15) .
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| Illustration 9 | g01139111 |
- Remove O-ring seal (17) and solenoid (15) .
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| Illustration 10 | g01139112 |
- Remove O-ring seal (18) and remove cartridge assembly (19) .
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| Illustration 11 | g01139115 |
- Remove O-ring seal (20), backup ring (21), and O-ring seal (22) from cartridge assembly (19) .
Installation Procedure
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Table 1
| Required Tools |
| Tool |
Part Number |
Part Description |
Qty |
| A |
138-7575 |
Link Bracket |
3 |
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| Illustration 12 | g01139115 |
- Install O-ring seal (22), backup ring (21), and O-ring seal (20) on cartridge assembly (19) .
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| Illustration 13 | g01139112 |
- Install cartridge assembly (19) and O-ring seal (18) .
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| Illustration 14 | g01139111 |
- Install solenoid (15) and O-ring seal (17) .
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| Illustration 15 | g01139110 |
- Install nut (16) on solenoid (15) .
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| Illustration 16 | g01138515 |
- Install control valve (12) and install bolts (14) .
- Connect hose assemblies (13) on control valve (12) .
- Connect harness assembly (11) .
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| Illustration 17 | g01138513 |
- Attach Tooling (A) and a suitable lifting device to housing (9). Install housing (9) on the machine. The weight of housing (9) is approximately 82 kg (180 lb).
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| Illustration 18 | g01138512 |
- Install bolt (10) in housing (9) .
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| Illustration 19 | g01138511 |
- Install cover (7) and bolts (6) .
- Tighten clamp (8) on the air cleaner tube.
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| Illustration 20 | g01138510 |
- Install bolts (5) .
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| Illustration 21 | g01138508 |
- Install bolts (4) .
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| Illustration 22 | g01138506 |
- Install cover (1) and install the bolts. Close the cover.
- Install the tube and bolts (3) .
End By:
- Install the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
- Install the batteries. Refer to Disassembly and Assembly, "Batteries - Remove and Install".
