GEAR G.-TRANSM 8H6728 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-2264 Puller Group 1
4B-3903 Bolt 2
1P-0456 Plate 1
4B-4277 Washer 2
B 9S-9152 Bearing Puller Gp 1
C 9S-5565 Pin Puller Sleeve As 1 Start By:
Remove the water pump.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01021798
Remove O-ring seal (10) from housing (1).
Use Tooling (A) to remove impeller (4) from shaft (6).
Remove bolts (3) from housing (1). Remove retainer (5) and water pump shaft (6) from the housing.
Use Tooling (C) and remove gear (2) from water pump shaft (6).
Use a press and Tooling (B) to remove bearing assembly (8) from water pump shaft (6).
Invert the housing and drive or press seal group (7) out of the housing.
Invert the housing and drive or press lip seal (9) out of the housing.