PIN 1A1478 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty.
A 1P-0510 Driver Gp 1
B - 1 inch by 4 inch steel plate 2
C 248-3311 Holding Fixture 1
D 248-3310 Spanner Wrench 1
E 8H-0663 Bearing Puller Gp 1
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Start By:
Remove the water pump
Illustration 1 g06317254
Remove filter (2) from water pump group (1).
Remove plug (4) and O-ring (3).
Illustration 2 g06141761
Remove bolts (5), pump housing (7), and O-ring seal (6).
Illustration 3 g06317292
Install Tooling (B) under impeller (8). Use a suitable press and Tooling (A) to remove the impeller.Note: Do not allow bearing housing (9) to fall the floor when the impeller is removed from the pump shaft.
Illustration 4 g06318457
Remove seal (10).
Illustration 5 g06318470
Illustration 6 g06318476
Remove bolts (11) and retainer (12). Press pump shaft (13) from bearing housing (9) by applying pressure on the shaft from the impeller end.
Remove ceramic seal (14).
Illustration 7 g06318480
Install pump shaft (13) in Tooling (C). Loosen set screws (15). Use Tooling (D) to remove bearing locknut (16) from the pump shaft. Tooling (D) is not shown.Note: The splined end of the pump shaft is marked to indicate either RH threads or LH threads on the pump shaft.
Illustration 8 g06318487
Use Tooling (E) and a suitable press to remove bearing assembly (17) from pump shaft (13).