Yamaha F150B, Service Manual

Page: 301 / 458

8-22
Drive shaft and lower case (regular rotation model)
0
1
2
3
4
5
6
7
8
9
10
A
Installing the water pump
1. Install the dowels
a
, a new gasket
b
,
and the outer plate cartridge
c
.
2. Install the Woodruff key
d
.
3. Align the key way
a
on the impeller
e
with the Woodruff key
d
, and then install
the impeller
e
.
4. Install the washers
f
, wave washer
g
,
spacer
h
, and collar
i
.
TIP:
The spacer
h
and collar
i
should fit
together firmly.
5. When installing the pump housing and a
new O-ring
j
, apply grease to the inside
of the insert cartridge, and then turn the
drive shaft clockwise while pushing down
the pump housing assembly
k
.
NOTICE: Do not turn the drive shaft
counterclockwise, otherwise the water
pump impeller may be damaged.
6. Install the bolts
l
.
Checking the lower unit for air
leakage
1. Remove the gear oil check screw
a
, and
then install the special service tool
b
.
a
b
c
a
d
e
a
f
f
g
h
i
Leakage tester
b
: 90890-06840
j
k
l
a
b