Section 08 PROPULSION SYSTEM
Sub-Section 02 (JET PUMP)
08-02-11
18,24, Cover and Impeller Shaft
END PLAY
End play of impeller shaft is checked with shaft in
housing, without impeller and with cover in-
stalled.
Retain housing in a soft jaw vise making sure not
to damage housing lug. Set a dial gauge and posi-
tion its tip on the end of shaft. Move shaft end by
pulling and pushing. Difference between highest
and lowest dial gauge reading is end play. Maxi-
mum 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
pusher inside cover and wear of impeller shaft
nose.
Visually inspect pusher inside cover.
TYPICAL
1. Pusher
If impeller shaft end play is excessive, pusher
should be replaced.
Use pliers to pull pusher and spring from cover.
Be sure to check end play after installing a new
pusher.
Inspect impeller shaft nose for wear.
1. Impeller shaft nose
22, Seal
Carefully inspect seal lips. Make sure that lips are
not worn, distorted, cracked or show signs of any
other damage. Renew as necessary.
ASSEMBLY
21, Wear Ring
The wear ring features a lip on one edge; position
lip outwards of housing.
F01J2SA
1
F00J09A
1
F00J0AA
1
To Next Page
Loading...
Need help?
General