826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Machine Systems Caterpillar

Assembly Procedure

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Illustration 1	g03728537

1. Install O-ring seals (24) and backup rings (25) to shuttle valve (22).
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   Illustration 2	g03728544

2. Install O-ring seals (21) and shuttle valve (22). Tighten shuttle valve (22) to a torque of 35 ± 3 N·m (26 ± 2 lb ft).
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   Illustration 3	g03728538

3. Install O-ring seals (26) and backup rings (27) on crossover relief valve (23).
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   Illustration 4	g03728548

4. Install crossover relief valve (23). Tighten crossover relief valve (23) to a torque of 60 ± 6 N·m (44 ± 4 lb ft).
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   Illustration 5	g03728521

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   Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

5. Install shims (16), retainer (17), washers (18), spring (19), retainer (20), the washer, and bolt (15 ).
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   Illustration 6	g03728559

6. Install spool assembly (14).
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   Illustration 7	g03728508

7. Install cover (13) and the bolts.
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   Illustration 8	g03728329

8. Install O-ring seals (11) and backup rings (12) on relief valve (10).
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   Illustration 9	g03728323

9. Install backup relief valve (10). Tighten backup relief valve (10) to a torque of 50 ± 7 N·m (37 ± 5 lb ft).
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   Illustration 10	g03728317

10. Install O-ring seals (8) and backup rings (9) to pressure reducing valve (7).
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    Illustration 11	g03728315

11. Install pressure reducing valve (7). Tighten pressure reducing valve (7) to a torque of 60 ± 7 N·m (44 ± 5 lb ft).
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    Illustration 12	g03728286

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

12. Install check ball (2) and spring (3). Install spring pin (4) and O-ring seal (5) to plug assembly (6). Install plug assembly (6).

13. Repeat Step 12 for plug assembly (1).

End By:

1. Install the steering control valve.