730C2 and 725C2 Articulated Truck Power Train Caterpillar

Disassemble Procedure

Start By:

1. Remove the Differential Pinion.

Note: The same disassembly procedure is used for the front differential pinion and for the rear differential pinion.

Show/hide table

Illustration 1	g06126649

1. Remove bolt (1) and yoke assembly (2).
   Show/hide table

   Illustration 2	g06126653

2. Remove O-ring seal (3) inside the yoke assembly.
   Show/hide table

   Illustration 3	g06126655

3. Remove bolts (5) and retainer (4).
   Show/hide table

   Illustration 4	g06126658

4. Use Tooling (A) to remove seal (6). Remove seal (6).
   Show/hide table

   Illustration 5	g06126665

5. Use Tooling (B) to remove retaining ring (7). Remove retaining ring (7) and locking washer (8).
   Show/hide table

   Illustration 6	g06126670

   Show/hide table

   Illustration 7	g06126676

6. Use Tooling (C) to remove lock nut (9) from the pinion shaft.

7. Remove lock nut (9) and notched washer (10).
   Show/hide table

   Illustration 8	g06126720

8. Use suitable press to remove pinion shaft assembly (11) from pinion housing (12). Remove pinion shaft assembly (11).
   Show/hide table

   Illustration 9	g06126748

9. Remove bearing cone (13).
   Show/hide table

   Illustration 10	g06126753

10. Remove O-ring seal (14).
    Show/hide table

    Illustration 11	g06126775

    Show/hide table

    Illustration 12	g06126784

11. Use suitable press to remove bearing cup (15) from the pinion housing. Remove bearing cup (15).
    Show/hide table

    Illustration 13	g06126789

12. Use two suitable pry bars to remove bearing cup (16) from the pinion housing. Remove bearing cup (16).
    Show/hide table

    Illustration 14	g06126810

13. Use a suitable press and Tooling (D) to remove bearing cone (17). Remove bearing cone (17) from the pinion shaft assembly.

14. Remove bearing cone (17) from the pinion shaft assembly.