BREATHER GP 2N8220 - Caterpillar

TYPE="LEVEL" DEPTH="1" @@@-->Disassembly Procedure
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 g01165929
Release screws (9) and cover (8) from auxiliary water pump (1). Remove O-ring seal (7).
Remove the end cap from impeller (6).
Remove impeller (6) from shaft (13). Inspect the impeller for excessive wear or for damage. If necessary, replace the impeller.
Remove cam (5) from auxiliary water pump (1).
Remove wear plate (4).
Remove retaining ring (3). Note: The gear for the auxiliary water pump is a pressed fit. If the gear is removed, the shaft and the bearings should be replaced.
Use a suitable puller and a suitable press to remove gear (10) from shaft (13). Remove retaining ring (11).
Use a suitable press to remove the shaft assembly from auxiliary water pump (1).
Use a suitable press to remove bearing (12) and bearing (14) from shaft (13).
Use a suitable press to remove seal (15) and seal (2) from auxiliary water pump (1).