GEAR HOUSING
90-857138R1 MAY 2000 Page 6-19
Water Pickup Screen
1. Remove screw and water pickup screen.
a
b
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a - Screw
b - Water Pick-up Screen
Cleaning and Inspection
Gear Housing/Bearing Carrier Castings
1. Thoroughly clean gear housing/bearing carrier castings. Be sure all old gasket material
is removed from mating surfaces and that carbon deposits have been removed from ex-
haust passages.
2. Inspect castings for cracks or fractures.
3. Inspect upper and lower water drain holes to ensure they are not clogged.
a
a - Water Drain Holes
4. Check sealing surfaces for nicks, deep grooves and distortion which could cause leaks.
5. Check water passages for obstructions.
Bearings
BALL BEARINGS
CAUTION
DO NOT spin-dry ball bearings with compressed air.
1. Clean bearing in solvent and dry with compressed air.
2. Bearing should be free of rust stains.
3. Attempt to work inner bearing race in-and-out. There should not be excessive play.
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