ADAPTER
RING
/
/
SHAFT
/
1
I
SNAP
RING
I
/
/
1
SPLINE
/
BEARING
SPACER
SEAL
b
IMPELLER
WEAR PLATE
FIGURE
24.
PUMPS
#132-0146
AND
M32-0147
WATER
PUMPS
#132-0146
and
#132-0147
Replace any other worn components such as bear-
ings, seal, seal seat, and impeller. Use a new end plate
gasket when reassembling.
Water pumps
#132-0146
and
#132-0147
are neoprene
impeller type
pumps
(see Figure
24).
Disassembly
1.
Remove the pump end plate screws,
end
plate,
and gasket.
2.
Pull
out the neoprene impeller
with
a pair of
pli-
ers, being careful not to damage the
pump
body.
3.
If
further disassembly
is
necessary, disconnect
the hoses and remove the cap screws holding the
pump
to the engine.
Lift
pump
from engine.
4.
Force out
the
shaft assembly and adapter ring
from the
pump
body
by
pressing on the impeller
end of the shaft.
5.
Remove the
set
screw from the side of the
pump
and
lift
out
the
cam and wear plate.
6. Carefully
pry
the bearing seal out of the bearing
bore
using
a screwdriver.
1.
Press the bearing seal into the bearing bore
with
the
lip
towards the bearing side.
2.
Insert the impeller end of the shaft into the drive
end of the
pump
housing and
press
the shaft and
bearing assembly into the bearing bore.
3.
Press the adapter
ring
into the drive end of the
pump
body.
4.
Install the slinger on the shaft and place the seal
spacer
in
the seal cavity.
5.
Install the O-ring
in
the seal bore and press the
seal into the seal bore
with
the
lip
toward the
impeller side.
6.
Coat the top of the cam and the cam set screw
threads with sealer and install the wear plate and
cam assembly. Be
sure
that the cam
is
flush
with
the end cover before tightening the set screw.
7.
Press out the shaft seal from the
pump
body
by
8.
Remove the O-ring, seal spacer, and slinger from
Assembly
screws.
Inspect the
pump
housing for wear, rough surfaces,
or
pitting
and replace
if
any of these conditions exist.
7.
Lubricate the impeller bore with grease and
install the impeller and spline seal.
8.
Lubricate the impeller face with grease. Hold the
new
end
cover gasket against the
pump
housing
and install the end cover, securing
it
with
six
9.
Mount the assembled
pump
on
the
engine and
forcing it toward the impeller bore.
the
impeller bore.
attach the hoses.
30
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by any means, is strictly prohibited.
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