D250E Series II and D300E Series II Articulated Trucks Power Train Caterpillar

Assembly Procedure

1. Clean all components before assembly. Apply a thin coat of clean oil on all of the internal components.

2. Inspect the O-ring seals that were removed from the assembly for wear or damage. If the O-ring seals are worn or damaged, use new Caterpillar parts for replacement.

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Illustration 1	g00400261

3. Install the O-ring seals to access plugs (35) and nipple assembly (36) . Install nipple assembly (36) , dust cap (37) , and access plugs (35) to valve housing (3) .

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Illustration 2	g00401747

4. Install retainer (34) , spring (33) , and valve ball (32) to spool (29) .

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Illustration 3	g00401745

5. Use Tool (A) in order to install the snap ring to spool (29) .

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Illustration 4	g00400260

6. Install slug (30) to spool (29) .

7. Install the O-ring seal to access plug (31) .

8. Install access plug (31) and spool (29) to valve housing (3) .

9. Install O-ring seal (27) and shims (26) to cover (25) .

10. Install cover (25) and spring (28) to valve housing (3) .

11. Tighten the bolts that secure cover (25) to valve housing (3) to a torque of 30 ± 7 N·m (22 ± 5 lb ft) .

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Illustration 5	g00400258

12. Install the O-ring seal to access plug (24) . Install access plug (24) and valve (23) to valve housing (3) .

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Illustration 6	g00400257

13. Install retainer (22) , spring (21) , and valve ball (20) to spool (18) .

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Illustration 7	g00400256

14. Use Tool (A) in order to install the snap ring to spool (18) .

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Illustration 8	g00400255

15. Install the O-ring seal to access plug (15) . Install access plug (15) and spring (16) to valve housing (3) .

16. Install slug (17) to spool (18) .

17. Install spool (18) and stop (19) to valve housing (3) .

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Illustration 9	g00400253

18. Install cover (6) and O-ring seal (7) to valve housing (3) .

19. Install access plug (11) and the O-ring seal to valve housing (3) .

20. Install inner spring (10) , outer spring (10) , shims (9) , inner piston (8) , and outer piston (8) to valve housing (3) .

21. Install spring (14) , orifice (13) , and O-ring seal (12) to valve housing (3) .

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Illustration 10	g00400252

22. Install body (5) to valve housing (3) .

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Illustration 11	g00400251

23. Position cover (4) to valve housing (3) . Install the bolts that secure cover (4) to valve housing (3) . Tighten the bolts to a torque of 30 ± 7 N·m (22 ± 5 lb ft) .

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Illustration 12	g00400249

24. Install the solenoid coil and cartridge assembly (1) to valve housing (3) .

25. The cartridge assembly must be tightened to 80 ± 5 N·m (59 ± 4 lb ft). Tighten the nut that secures the solenoid coil to the cartridge assembly. The nut must be tightened to a torque of 9 ± .5 N·m (78 ± 5 lb in) .

26. Install O-ring seals (2) to valve housing (3) .

End By: Install the lockup clutch and the solenoid valve. Refer to Disassembly and Assembly, "Lockup Clutch and Solenoid Valve - Install". The information is in this manual.