Section 13 PROPULSION
Subsection 01 (JET PUMP)
1
F19J08A
1. Steel blocks
All Models
From the outlet side of pump, use the seal/bearing
pusher (P/N 529 035 819) to press out the oil seal
no. 7.
1
F18J0WB
1. Seal/bearing pusher
Remove large O-ring no. 8 from pump housing.
Wear Ring
Remove the screws retaining wear ring in the jet
pump housing.
Place jet pump housing in a vise with soft jaws. It
is best to clamp housing using a lower ear.
Cutwearringattwoplaces.
CAUTION: When cutting ring, be careful not to
damage jet pump housing.
NOTE: Wear ring can be cut using a jigsaw, a small
grinder or a low clearance hacksaw such as Snap-
on HS3 or equivalent.
After cutting ring, insert a screwdriver blade be-
tween jet pump housing and ring outside diame-
ter.
Push ring so that it can collapse internally.
Pull ring out.
CLEANING
Properly clean all threads.
Remove all O-rings and clean parts in a solvent.
Carefully check water passages. Blow low pres-
sure compressed air through them and make sure
they are clear.
1
F18J0XA
1. Water passages
Brush and clean impeller shaft threads, impeller
and drive shaft splines with pulley flange cleaner
(P/N 413 711 809) or equivalent. Free threads and
splines from any residue.
PARTS INSPECTION
Impeller
Visually inspect impeller splines. Check for wear
or deformation. Renew parts if damaged.
NOTE: Check also PTO flywheel and drive shaft
condition. Refer to BOTTOM END and DRIVE
SYSTEM.
Examine impeller in wear ring for distortion.
Check if blade tips are blunted round, chipped or
broken. Such impeller is unbalanced and will vi-
brate and damage wear ring, impeller shaft, shaft
seal or bearings. Renew if damaged.
644 smr2004-Complete Line Up
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