Water Pump Housing installation
The installation is the opposite of the
removal procedure.
CAUTION: To prevent leaking, take care that
the gasket is exactly in groove when you
reinstall the water pump housing.
Tighten screws of water pump housing in a
crisscross sequence.
WATER PUMP IMPELLER
Impeller Removal
Remove water pump housing.
Unscrew impeller.
1.Impeller
CAUTION:
Water pump shaft and impeller have
right-hard threads. Remove by turning
counterclockwise and install by turning
clockwise.
Check impeller for cracks or other damage.
Replace impeller if damaged.
Impeller Installation
The installation is the opposite of the
removal procedure. Be careful not damage
impeller wings during installation.
WATER PUMP SHAFT AND SEALS
Shaft/Seal Removal
NOTE: It is not required to split crankcase to
replace the water pump shaft and seals, but
engine removal is necessary.
Drain engine oil.
Remove engine from vehicle. Refer to
ENGINE REMOVAL AND INSTALLATION
section.
Detach gearbox from engine.
Remove engine drive shaft and engine PTO
cover.
Remove water pump housing and impeller.
See procedures in this section.
Pull out water pump gear to disengage the
inner drive gear.
1.water pump gear
2.Inner drive gear
Sharply strike water pump shaft out with a
plastic hammer.
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