Water Pump; Disassembly; Inspection; Reassembly - Yamaha SRX440 1980 Service Manual

1980 SRX440D
4. Install the seat and slide rail suspension
assembly. (Refer to "5-3
SUSPENSION".)
5. Fill with the coolant. (Refer to "3-2-0
Replenishing coolant:")
3-5. WATER PUMP
A. Disassembly
1. Drain the coolant. (Refer to "3-1-C
Draining coolant"}
2. Remove the water pump assembly from
the engine. (Refer to "2-1-0 Water
pump".)
3. Remove the water pump cover.
4. Remove the impeller nut. and remove
the impeller and collar.
5. Remove the housing, and remove the
impeller shaft. driven water pump pulley
and belt.
3·5
B. Inspection
1. Remove the deposits from the impeller
and water pump cover.
2. Check the impeller for cracks and
damage. Replace as required.
3. Check the oil seal and bearing for
damage and wear. Replace as required.
4. Check the water pump belt for damage
and wear. Replace as required.
C.
Reassembly
1. Coat the impeller shaft gear with grease.
2. Install the housing together with collar.
impeller shaft, driven water pump pulley
and belt.
Tightening torque:
7 N m (0.7 m-kg)
3. Apply a grease to impeller shaft inside
the housing, and install the a-ring and
collar.
NOTE: - - - - - - - - - - - ----~-
Thoroughly wipe off the grease from the col-
lar.