BIGFOOT GEAR HOUSING
90-857046R1 NOVEMBER 2001 Page 6B-13
Disassembly
Water Pump
NOTE: If water tube seal stayed on water tube (inside of drive shaft housing) when gear
housing was removed, pull water tube seal from water tube.
NOTE: Newer models will not have the isolators installed on the water pump.
1. Replace water tube seal, if damaged.
2. Remove 4 screws (2 on each side of water pump housing), washers, and isolators.
3. Remove cover.
19212
a
b
c
a- Water Tube Seal
b- Screw, Washer, Isolator (4 each)
c- Cover
IMPORTANT: The circular groove formed by the impeller sealing bead should be dis-
regarded when inspecting cover and face plate, as the depth of the groove will not
affect water pump output.
4. Replace cover if thickness of steel at the discharge slots is 0.060 in. or less, or if
groove(s) (other than impeller sealing bead groove) in cover roof are more than 0.030
in. (0.762 mm) deep.
5. Lift impeller, drive key, and gasket from drive shaft.
19220
a
b
c
a- Impeller
b- Drive Key
c- Gasket
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