
Section 09
PROPULSION SYSTEM
Sub-Section 01
(JET PUMP)
09-01-12
22, Needle Bearing
NOTE :
It is always recommended to renew
both bearings, even if only one bearing
needs to be replaced.
Bearings can be easily removed with the follow-
ing suggested driver.
Use a 30 mm dia. x 345 mm (1-1/8 dia. x 13-1/2 in)
long steel shaft. Machine shaft as per the follow-
ing drawing.
A. 22 mm (.865 in) dia.
B. 28 mm (1.115 in) dia.
C. 90 mm (3-1/2 in)
D. 345 mm (13-1/2 in)
Insert driver into one bearing then press tool using
a arbor press until bearings are out. However,
care should be taken not to damage bearing jour-
nals.
1. Press bearings out
CLEANING
Sealant can be removed with a wire brush (disc)
mounted on a drill or a scraper.
Properly clean all threads.
Remove all O-rings and clean parts in a solvent.
Carefully check water passages (bailer pick-up,
cooling system) and oil passages. Blow low pres-
sure compressed air through them and make sure
they are clear.
1. Water passages
2. Oil passages
Brush and clean impeller shaft threads, impeller
and drive shaft splines with Loctite Safety solvent
755
(P
/
N 293 800 019) or equivalent. Free threads
and splines from any residue.
CAUTION :
Be careful not to damage im-
peller shaft diameter.
PARTS INSPECTION
19, Impeller
Visually inspect impeller splines. Check for wear
or deformation. Renew parts if damaged.
NOTE :
Check also flywheel and drive shaft
condition. Refer to PROPULSION SYSTEM
09-02.
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.
F01J11A
A
B
C
D
D
1
F01J12B
F01J13A
1
2
-
www.SeaDooManuals.net