PINION AS 9W5911 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-0510     Driver Group     1    
B     9S-1366     Bolt     2    Start By:
Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Refer to Disassembly and Assembly, "General Information (Reference Material)" for more information.
Illustration 1 g01205960
Remove bolts (5) and gear (4) .
Put an alignment mark across housing (1) and water pump housing (3). The orientation of the housings is different on the left water pump and the right water pump.
Remove bolts (2). Separate housing (1) from water pump housing (3). Remove the O-ring seal from water pump housing (3) .
Illustration 2 g01205982
Loosen bolt (6). Do not remove the bolt. Use a block and Tooling (B) in order to put tension on the impeller. Tap the center of the block in order to loosen impeller (8) on the shaft. Remove bolt (6) and washer (7) .
Illustration 3 g01205985
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Remove impeller (8) .
Illustration 4 g01206070
Illustration 5 g01206072
Remove spring (10) from shaft (9) .
Remove seal (11) .
Illustration 6 g01206073
Remove bolts (12) and thrust washer (13) .
Illustration 7 g01206085
Remove shaft (9) .
Illustration 8 g01206088
If necessary, use Tooling (A) and a suitable press in order to remove seal (14) .Note: Check the O-ring seals for wear or damage. If necessary, replace the O-ring seals.
Illustration 9 g01206116
Remove bearings (15) and bearings (16) from water pump housing (3) .