HOSE AS 4782994 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
B 138-7573 Link Bracket 2
C 8B-7548 Push-Puller Tool Gp 1 Start By:
Remove the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01206899
Remove bolts (7) and gear (6). Remove O-ring seal (5).
Attach Tooling (B) and a suitable lifting device to the shaft of the auxiliary water pump. The weight of the auxiliary water pump is approximately 75 kg (165 lb).
Place the auxiliary water pump onto a bench. Mark housings (1), (2), and (3) for the correct orientation upon assembly.
Remove bolts (4).
Illustration 2 g01206943
Separate housings (2) and (3) from housing (1).
Remove O-ring seal (16).
Remove bolt (14) and washer (15).
Use Tooling (C) to remove impeller (8).
Remove the spring from seal group (9).
Separate housing (2) and housing (3).
Remove O-ring seal (10).
Remove bolts (19) and thrust washer (18).
Remove shaft (17).
Use Tooling (A) and a suitable press to remove seal group (9) from housing (2).
Use a brass bar and a hammer to remove seal (11) from housing (3).
Remove bearings (12) and bearings (13) from housing (3).