615C Series II Wheel Tractor-Scraper Wheel Tractor Power Train Caterpillar

Assembly Procedure

Note: Clean all parts and inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.

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Illustration 1	g00446903

1. Use Tool (D) and a press and install bearing (61) into housing (27).
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   Illustration 2	g00446443

2. Install ring seal (60) on housing (27).
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   Illustration 3	g00446027

3. Install ring seal (59) onto piston (58).
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   Illustration 4	g00445804

4. Use two 3/8" - 16 NC eyebolts (57) to install clutch piston (58) into housing (27).
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   Illustration 5	g00445723

5. Install friction disc (56) into housing (27).
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   Illustration 6	g00445664

6. Install backing plate (55) into housing (27).
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   Illustration 7	g00445444

7. Install retaining ring (54) into housing (27).
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   Illustration 8	g00445403

8. Install retaining ring (53) and seal ring (52) onto turbine hub (51).
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   Illustration 9	g00445383

9. Position turbine hub (51) onto converter turbine (49) and install sixteen bolts (50). Tighten the bolts to a torque of 49 ± 3 N·m (36 ± 2 lb ft).
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   Illustration 10	g00447530

10. Install converter turbine (49) into housing (27).
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    Illustration 11	g00445223

11. Install bearing thrust race (48), thrust bearing (47) and bearing retainer (46) onto converter turbine (49).
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    Illustration 12	g00444503

12. Install freewheel cam (41) into converter stator (36).
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    Illustration 13	g00444403

13. Position thrust race (45) and install retaining ring (44) onto converter stator (36).
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    Illustration 14	g00444366

14. Install freewheel springs (43) and freewheel rollers (42) into freewheel cam (41).
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    Illustration 15	g00444343

15. Install freewheel race (40) into freewheel cam (41).
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    Illustration 16	g00444273

16. Position thrust race (39) and install retaining ring (38) onto converter stator (36).
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    Illustration 17	g00444271

17. Install converter stator (36) onto converter turbine (37).
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    Illustration 18	g00444270

18. Install thrust bearing (35) onto converter stator (36).
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    Illustration 19	g00444269

19. Position bearing thrust race (34) and install bearing retainer (33) onto converter stator (36).
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    Illustration 20	g00444126

20. Install impeller hub (31) onto converter impeller (26).
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    Illustration 21	g00443683

21. Position pump drive gear (30) onto converter impeller (26).
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    Illustration 22	g00443647

22. Turn converter impeller (26) onto the other side. Install eight bolts (29) to install pump drive gear (30) onto converter impeller (26). Tighten the bolts to a torque of 50 ± 7 N·m (37 ± 5 lb ft).
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    Illustration 23	g00443503

23. Position converter impeller (26) onto housing (27) and install 36 bolts (25).
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    Illustration 24	g00447623

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    Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

24. Heat ring carrier (23) and bearing (24) to a temperature of 149°C (300°F) and install bearing (24) and ring carrier (23) onto stator carrier (20).
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    Illustration 25	g00443313

25. Install retaining ring (22) onto stator carrier (20).
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    Illustration 26	g00443307

26. Install two O-ring seals (21) onto stator carrier (20).
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    Illustration 27	g00443304

27. Install stator carrier (20) into torque converter (12).
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    Illustration 28	g00447804

28. Install bearing (19) onto shaft (16).
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    Illustration 29	g00441769

29. Install retaining ring (18) onto shaft (16).
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    Illustration 30	g00441763

30. Install two O-ring seals (17) onto shaft (16).
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    Illustration 31	g00441583

31. Install shaft (16) into torque converter (12).
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    Illustration 32	g00441527

32. Install seal (15) onto shaft (16).
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    Illustration 33	g00441450

33. Place a piece of solder between shaft (16) and retainer (14). Install bolts (13). Tighten bolts (13) to a torque of 10 N·m (88 lb in).

34. Remove bolts (13) and retainer (14). Measure the piece of solder and subtract 0.025 mm (0.001 inch) to 0.076 mm (0.003 inch) from the measurement to get the correct number of shims.

35. Install the correct number of shims (not shown), retainer (14), and bolts (13) onto torque converter (12).

36. Tighten bolts (13) to a final torque of 50 ± 7 N·m (37 ± 5 lb ft).
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    Illustration 34	g00441305

37. Position cover (11) and install eight bolts (10).
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    Illustration 35	g00441172

38. Use Tooling (A), a hoist, and an appropriate lifting device to position housing (8) onto the torque converter. The housing weighs approximately 140 kg (308 lb).
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    Illustration 36	g00447913

39. Use Tool (B) and install lip type seal (9) in carrier (6).
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    Illustration 37	g00440546

40. Position carrier (6) onto the housing and install eight bolts (5). Tighten the bolts to a torque of 50 ± 7 N·m (37 ± 5 lb ft).
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    Illustration 38	g00440545

41. Install the seal, yoke (3), retainer (2) and bolt (1) onto shaft (4). Tighten bolt (1) to a torque of 120 ± 15 N·m (89 ± 11 lb ft).

End By:

1. Install the torque converter. Refer to Disassembly and Assembly, "Torque Converter - Install"
   . The information is in this manual.