6-8
Lower Unit
4st 2/2.5/3.5 2007
4) Disassembly of Water Pump
1.
Remove bolt, and then, pump case (upper)
1
while pushing
drive shaft downward
b
.
2. Remove
impeller
2
.
3) Removing Lower Unit
1
2
3
2
4st OIL
4st
OIL
2.
Remove lower unit installation bolts
5
and nut
4
, and pull
lower unit ass'y downward to remove.
1. Remove
grommet
1
and loosen bolt
2
.
Removal of lower unit does not require removal
of power unit from outboard motor body. Tilt up
and lock with tilt stopper.
4
5
a
Check drive shaft spline
a
for adhesion of oil,
rust and wear.
a
b
1
3
2
5
4
Bolt
2
should be loosened, not removed from
joint
3
.
When removing or attaching water pump and
pump case (lower), be careful that the drive
shaft is not pushed up.
Pushing up the drive shaft causes pinion (B) to
drop into the gear case.
a
Projection
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