CLEANING AND
INSPECTION
~
WARNING
~
Replace damaged components. Shift
sys-
tem failure could cause
loss
of
control
over direction
of
engine thrust.
~
WARNING m
To
avoid personal injury, wear eye protec-
tion
and regulate air pressure
to
not
more
than
25
psi (172 kPa).
Discard all seals, O-rings, gaskets, and clutch dog
spring.
Clean all gearcase components
in
solvent and dry
with compressed
air.
After cleaning, coat all inter-
nal components with Ultra-HPF gearcase lubri-
cant to prevent rusting.
GEARCASE
CLEANING AND INSPECTION
Perform the following inspections:
• Gearcase
housing
- all gasket surfaces must
be free of gasket
material. All threaded holes
must be free of corrosion and sealer.
• Gearcase anode - if anode has been reduced
to two-thirds of its
original size, it must be
replaced. Refer to Anode Testing
Procedure-
Continuity
on
p.
62.
• Driveshaft - check splines for chips, wear,
and cracks. Bearing and gear surfaces must not
show signs of
metal transfer, corrosion, or dis-
coloration.
Severe spline wear might indicate an
exhaust housing or gearcase has been dis-
torted by impact damage.
• Water intake screen - must be clear. If screen
can't be
cleaned, it must
be
replaced.
• All internal components - must be visually
inspected for signs of wear, distortion, chipping,
metal transfer, pitting, galling, and discoloration
due to improper lubrication.
• Water
pump
- check impeller for wear, crum-
bling, and hub bonding. Check impeller cup and
plate for scoring and distortion.
277
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