Technical data

Section 09 PROPULSION SYSTEM
Sub-Section 01 (JET PUMP)
09-01-10
17,18, Housing Cover and Screw
With pump assembly in horizontal position, re-
move 3 retaining screws of housing cover.
Place container under cover to catch oil.
Using a fiber hammer, gently tap cover to release
it from impeller housing.
19, Impeller
Insert impeller shaft holder (P / N 295 000 082) on
impeller shaft flat end.
Using 2 screws previously removed from venturi,
secure shaft holder to housing. Heat impeller cen-
ter with a propane torch to approximately 150°C
(300°F) to break the Loctite bond.
Impeller is loosened using impeller remover tool
(P / N 295 000 001).
Install shaft holder in a vice.
Insert special tool in impeller splines.
Rotate impeller remover tool counterclockwise
and unscrew completely impeller.
1. Impeller remover / installer tool
2. Impeller shaft holder tool
CAUTION : Never use any impact wrench
to loosen impeller.
To remove impeller, apply a rotating movement
and pull at same time. Slide impeller out of hous-
ing and remove tool from impeller.
Remove 2 screws holding impeller housing to
shaft holder.
Lift impeller housing away from impeller shaft.
Slide thrust washer and thrust bearing off from
shaft.
20, Wear Ring
Place impeller housing in a vise with soft jaws. It
is best to clamp housing using a lower ear.
Cut wear ring at two places.
NOTE : Wear ring can be cut using a jigsaw,
a small grinder or a low clearance hacksaw
such as Snap-on HS3 or equivalent.
CAUTION : When cutting ring, be careful
not to damage impeller housing.
1. Snap-on HS3
After cutting ring, insert a screwdriver blade be-
tween impeller housing and ring outside diame-
ter.
Push ring so that it can collapse internally.
Pull ring out.
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