CE Compliant

Start By:

A. Remove the transmission. Refer to Disassembly and Assembly, "Transmission (Powershift) - Remove".

Notice

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

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.

Note: The transmission will be disassembled in major components. The major components will then be disassembled.

1. Use a suitable lifting device in order to install transmission (1) on tooling (A) . The weight of transmission (1) is 172 kg (379 lb).

Illustration 10 g00730327

9. Remove two O-rings (14) and O-ring (15) .

Illustration 11 g00730328

10. Remove two bolts (16) and plate (17) .

Illustration 12 g00730329

11. Remove O-ring (18) .

Illustration 18

17. Remove ball (25) , spring (26) , and O-ring (27) .

Illustration 19 g00730338

18. Remove pump drive shaft (28) from the transmission.

Illustration 20

19. Remove bolt (29) , washer (30) , and yoke assembly (31) from the output shaft.

Illustration 26 g00730349

25. Remove lip seal (42) from pump group (40) .

Illustration 27 g00730350

26. Use tooling (I) and a suitable lifting device in order to support the transmission case. Remove eighteen bolts (43) .

Illustration 28 g00730351

27. Use a pry bar in the slots of the transmission case in order to break the seal. Carefully remove case assembly (44) . The weight of case assembly (44) is 26.9 kg (59 lb).

Note: Record the measurement of shims (51) to aid in installation.

Illustration 34 g01280623

33. Use Tooling (B) , washer (35) , and bolt (34) in order to remove rear output shaft (53) , shaft (54) , and input shaft (55) . The combined weight of rear output shaft (53) , shaft (54) , and input shaft (55) is 61.3 kg (135 lb).

Illustration 35 g00730359

34. Remove reverse shaft (56) from the case assembly.

Illustration 36 g00730360

35. Use tooling (C) in order to remove bearing cups (57) .

Output Shaft (Front)

Illustration 39 g00730365

1. Remove ring (60) from front output shaft (52) .

Illustration 40 g00730366

2. Use tooling (D) in order to remove bearing cone (61) .

Illustration 41

Illustration 42 g00730369

3. Use tooling (E) in order to remove spacer (62) , bearing cone (63) , washer (64) , needle thrust bearing (65) , and gear (66) .

Illustration 43 g00730370

4. Remove caged roller bearing (67) , spacer (68) , caged roller bearing (69) , needle thrust bearing (70) , and washer (71) .

Illustration 44 g00730371

5. Remove retaining ring (72) and end plate (73) .

6. Remove eight friction discs (74) and eight plates (75) .

7. Use tooling (F) in order to compress the spring assembly. Remove retaining ring (76) .

Output Shaft (Rear)

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