SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 210 / 377

LOWR
Lower unit
6-19
6P23H11
3. Install the Woodruff key into the drive
shaft.
4. Align the groove on the impeller
5
with
the Woodruff key
6
, and then install the
impeller onto the drive shaft.
5. Install the new O-ring
7
and insert car-
tridge
8
into the pump housing
9
.
NOTE:
Align the insert cartridge projections
a
with
the holes
b
in the pump housing.
6. Install the new O-ring
0
and pump hous-
ing assembly
A
into the lower case,
tighten the bolts
B
, and then install the
seal
C
and cover
D
.
CAUTION:
Do not turn the drive shaft counterclock-
wise, otherwise the water pump impeller
may be damaged.
NOTE:
• When installing the pump housing, apply
grease to the inside of the housing, and
then turn the drive shaft clockwise while
pushing down the pump housing.
• Align the cover projection
c
with the hole
d
in the pump housing.
Installing the lower unit
WARNING
When installing the lower unit with the
power unit installed, be sure to suspend
the outboard motor. If the outboard motor
is not suspended it can fall suddenly and
result in severe injury.
1. Align the center of the set pin
a
with the
alignment mark
b
on the bottom cowl-
ing.
S6P26110
1104J
A A
a
a
b
b
9
7
8