Section 09 PROPULSION
Subsection 01 (JET PUMP)
Using a feeler gauge, measure clearance between
impeller blade tip and wear ring. Measure each
blade at its center. Clearance should not exceed
1.0 mm (.040 in). If clearance is greater, disas-
semble jet pump and inspect impeller and wear
ring. Renew worn parts.
smr2005-062-002_A
TYPICAL
1. Feeler gauge
Oil Inspection
Remove venturi no. 4. Refer further for complete
procedure.
Remove filler plug no. 5 from cover no. 6.
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1
TYPICAL
1. Filler plug
Check oil level, it should be at bottom of hole
threads.
If oil level is low, check impeller shaft housing for
leaks. A pressure test must be performed. See
PUMP PRESSURIZATION in this subsection.
To check oil condition, insert a wire through oil
level hole then withdraw. A whitish oil indicates
water contamination.
This may involve defective impeller shaft seal
no. 7 and/or O-ring no. 8 of cover. Jet pump unit
should be overhauled to replace seal.
If everything is correct, apply Loctite 567 (pipe
sealant) (P/N 293 800 013) on filler plug threads
and reinstall it on cover. Properly reinstall re-
moved parts.
Oil Replacement
Remove venturi no. 4. Refer further for complete
procedure.
Remove 3 screws no. 9 retaining cover no. 6.
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1
TYPICAL
1. Screws
Place a container under cover to catch oil.
Using a fiber hammer, gently tap cover to release
it from housing cover.
Thoroughly clean reservoir and inside of cover
with pulley flange cleaner (P/N 413 711 809).
Check condition of O-ring no. 8. Replace as nec-
essary.
Apply jet pump bearing grease (P/N 293 550 032)
on mating surface of cover and reinstall it with its
O-ring.
Apply Loctite 243 (blue) (P/N 293 800 060) on cov-
er screw threads and torque them to 7.5 N•m
(66 lbf•in).
236 smr2005-062
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