SPRING 4N4318 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-6690 Socket Wrench As 1
B 1H-3110 Bearing Puller 1 Start By:
Remove the differential and the bevel gear.Note: The same disassembly procedure is used for the front differential pinion and for the rear differential pinion.
Illustration 1 g00446303
Remove guard (2).
Remove bolts (3) and the washers. Remove retainer (4).
Remove lip seal (6) from retainer (4).
Use a hammer and a punch to bend the crimp away from the slot in pinion shaft (12).Note: Nut (8) may be reused if the collar is not cracked during removal or during restaking.
Use Tooling (A) to remove nut (8) from pinion shaft (12).
Remove washer (9) from pinion shaft (12).
Put pinion housing (1) in a suitable press. Remove pinion shaft (12) from pinion housing (1) by pressing the shaft out of bearing cone (10).
Use a suitable press and Tooling (B) to remove bearing cone (7) from pinion shaft (12).
Remove bearing cone (10) from pinion housing (1).
Remove bearing cup (11) from pinion housing (1).
Remove bearing cup (5) and the O-ring seal from the opposite end of pinion housing (1).