BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual

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Section 09 PROPULSION SYSTEM
Subsection 02 (JET PUMP)
09-02-11
1. Inspect for wear at the bearing pilot
2. Radial bearing raceway
NOTE: If shaft is to be replaced, it is recommend-
ed to replace both bearings at the same time. In
addition, it is suggested to replace thrust bearing
and thrust washer.
25,26, Thrust Washer and Thrust
Bearing
Visually inspect thrust washer, thrust bearing and
their contact surface. Check for scoring, pitting,
flaking, discoloration or other evidence of wear.
For best inspection, use a 7X magnifying glass to
check wear pattern.
TYPICAL
1. Worn roller (trunnion worn on end roller)
2. Good roller (cylindrical shape)
3. Look for scoring on retainer
NOTE: When replacing either washer or bearing,
it is recommended to renew both.
18,24, Cover and Impeller Shaft
END PLAY
End play of impeller shaft is checked with shaft in
housing, without impeller and with cover installed.
Retain housing in a soft jaw vise making sure not to
damage housing lug. Set a dial gauge and position
its tip on the end of shaft. Move shaft end by pull-
ing and pushing. Difference between highest and
lowest dial gauge reading is end play. Maximum
permissible end play (new) is 0.12 - 0.54 mm (.005 -
.021 in). Make sure vise is secured and not adding
to your measurement as you move impeller shaft.
1. Tip on shaft end
Excessive play comes from a worn anti-knock push-
er inside cover and wear of impeller shaft nose.
Using pliers, remove anti-knock pusher and spring
from cover.
TYPICAL
1. Pusher
Inspect pusher for any damage or deterioration.
F01J1AA
1
2
F01J52A
1
2
3
F01J2SA
1
F00J09A
1