Section 13 PROPULSION
Subsection 01 (JET PUMP)
Seal
Carefully inspect seal lips. Make sure that lips are
not worn, distorted, cracked or show signs of any
other damage. Replace after 100 hours.
Bearing
Replace bearing whenever the marks of corrosion
and presence of water is found.
O.P.A.S. Filter (if so equipped)
O.P.A.S. filter is part of plastic elbow. Check for
cleanness. Replace or clean it as necessary.
Sacrificial Anode (if so equipped)
Check for wear. If worn more than half, replace
anode.
ASSEMBLY
Hands, tools, bench, rags must be clean before
pump disassembly.
CAUTION: Pump grease tube must be opened
at very last moment to avoid contamination.
Plastic Elbow (if so equipped)
Install plastic elbow at 20° angle to the right.
It may exceed inside housing by 1.0 mm (.039 in).
Itmaybepositionedupto2.0mm(.078in)from
housing edge.
A
F18J0EA
B
C
A. 20°
B. 2.0 mm (.078 in)
C. 1.0 mm (.039 in)
Wear Ring
Position wear ring so that its rounded edge is out-
wards.
To install ring in housing, use a square steel plate
ofapproximately180x180mmx6mmthick(7x
7inx1/4in)andapress.
Manually engage ring in housing making sure it is
equally inserted all around. Press ring until it seats
into bottom of housing.
F01J1DA
1
2
1. Rounded edge
2. Press wear ring
If a press is not readily available, a piece of wood
such as a 2 x 4 in x 12 in long, can be used.
Manually engage ring in housing making sure it
is equally inserted all around. Place wood piece
over ring. Using a hammer, strike on wood to
push ring. Strike one side then rotate wood piece
about 90° and strike again. Frequently rotate
wood piece so that ring slides in evenly until it
seats into bottom of housing.
646 smr2004-Complete Line Up
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