Control Valve (Trailer and Towing Hitch) - Remove
Removal Procedure
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| ZZ | 9U-7076 | Face Seal Plug | 2 |
| 9U-7077 | Face Seal Plug | 4 | |
| 6V-9507 | Face Seal Plug | 1 | |
| 6V-9508 | Face Seal Plug | 1 | |
| 6V-9509 | Face Seal Plug | 2 | |
| 6V-9529 | Face Seal Plug | 1 | |
| 6V-9828 | Face Seal Plug | 1 | |
| 6V-9829 | Face Seal Plug | 1 | |
Start By:
- Release hydraulic pressure. Refer to Disassembly and Assembly, "Hydraulic Pressure - Release".
- Remove the towing hitch. Refer to Disassembly and Assembly, "Towing Hitch - Remove".
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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 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. |
Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.
- Put identification marks on all hoses for installation purposes. Plug all hoses. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
- Remove tube assemblies (1) .
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 | |
| Illustration 1 | g01020002 |
- Disconnect harness assemblies (2) .
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| Illustration 2 | g01020011 |
- Remove bolts (3). Remove plate (4) .
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| Illustration 3 | g01020014 |
- Remove fittings (5). Remove bolts (6). Remove control valve (7) .
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| Illustration 4 | g01020015 |
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