BLOCK-CYL 7S9889 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-6689     Socket     1    
B     1H-3110     Bearing Puller Assembly     1    Start By:
Remove the differential and the bevel gear. Refer to Disassembly and Assembly, "Differential and Bevel Gear - Remove".Note: The same disassembly procedure is used for the front differential pinion and for the rear differential pinion.
Illustration 1 g00334760
Remove six bolts (1) and the washers. Remove retainer (2) .
Illustration 2 g00334761
Remove lip seal (3) from retainer (2) .
Illustration 3 g00334764
Use a hammer and a punch to bend the crimp away from slot (5) in pinion shaft (4) .Note: Nut (6) may be reused if the collar is not cracked during removal or during restaking.
Illustration 4 g00334765
Use Tooling (A) to remove nut (6) from the pinion shaft.
Illustration 5 g00334767
Remove washer (7) from the pinion shaft.
Illustration 6 g00334766
Illustration 7 g00334768
Put the pinion housing in a suitable press, as shown. Remove pinion shaft (4) from the pinion housing by pressing the shaft out of bearing cone (8) .
Illustration 8 g00334769
Use a suitable press and Tooling (B) to remove bearing cone (9) from pinion shaft (4) .
Illustration 9 g00334770
Remove bearing cone (8) from the pinion housing.
Illustration 10 g00334772
Remove bearing cup (10) from the pinion housing.
Illustration 11 g00334773
Remove bearing cup (11) and O-ring seal (12) from the opposite end of the pinion housing.