938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Relief Valve (Transmission Hydraulic Control) - Disassemble Caterpillar

Disassembly Procedure

Start By:

1. Remove the relief valve. Refer to Disassembly and Assembly, "Relief Valve (Transmission Hydraulic Control) - Remove".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

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Illustration 1	g00979403

1. Remove bolts (1) and remove cover (2) .

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Illustration 2	g00979407

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Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

2. Remove bolts (3) and remove cover (4) .

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Illustration 3	g00979409

3. Remove load piston (10), spring (9), spool assembly (8), and slug (11) from body (12) .

4. Use Tooling (A) to remove retaining ring (13). Remove retainer (5), spring (6), and ball (7) from spool (8) .

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Illustration 4	g00979416

5. Remove fitting (14), fitting (15), and plug (16) from body (12) .