988K XE Wheel Loader Machine Systems Caterpillar

Disassembly Procedure

Start By:

1. Remove the secondary steering pump.

1. Put alignment marks on the secondary steering pump for assembly purposes.
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   Illustration 1	g03430645

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   Illustration 2	g03430650

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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 (1). Remove body (3) and spacer (2).
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   Illustration 3	g03430651

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   Illustration 4	g03430657

3. Remove O-ring seals (4). Remove pistons (6) and springs (5) from body (3).
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   Illustration 5	g03430687

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   Illustration 6	g03430688

4. Remove O-ring seals (9), pistons (8) and springs (10) from body (7).
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   Illustration 7	g03430690

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   Illustration 8	g03430692

5. Remove the bolts (11) that hold flange assembly (12) to pump body (7). Remove flange assembly (12) from pump body (7).
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   Illustration 9	g03430693

6. Remove lip seals (13) from flange assembly (12).
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   Illustration 10	g03430694

7. Remove O-ring seal (14) and O-ring seals (15) from flange assembly (12).
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   Illustration 11	g03430695

8. Remove seal assembly (16) and retaining plates (17).
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   Illustration 12	g03430696

9. Remove front pressure plate (18).
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   Illustration 13	g03430697

10. Remove gear assemblies (19) and (20).
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    Illustration 14	g03430698

11. Remove rear pressure plate (21).
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    Illustration 15	g03430699

12. Remove seals (22), seal assembly (23), and retaining plates (24).