5.3
COOLING
SYSTEM
68
mm
STROKE
SERIES
WSM,
01
161
Thermostat's valve
opening temperature
[3]
THERMOSTAT
~
Factory
69.5
to
72.5
"C
spec.
157.1
to
162.5'F
Thermostat Valve Opening Temperature
1.
Suspend
the
thermostat
in
the water by a string
with
its
end inserted between the valve and seat,
2.
Heating the water gradually, read
the
temperature when the valve opens and leaves
the
string.
3.
Continue heating and read
the
temperature when
the valve opens approx.
6
mm (0.236 in.).
4.
If the measurement
is
not
within
the factory
specifications, replace
the
thermostat.
0109F069
DISASSEMBLING AND ASSEMBLING
[I]
THERMOSTAT AND WATER
PUMP
t
1-
B083F063
%
85
"C
Temperature at which
Factory
thermostat
completely opens
I
spec.
I
185°F
-Thermostat and Water Flange
1.
Unscrew the thermostat cover mounting screws
2.
Remove the thermostat
(2).
3.
Unscrew the water flange mounting screws (5),
(7),
and remove the thermostat cover
(1).
and remove the water flange
(4).
(When reassembling)
0
Apply liquid-type gasket (Three Bond
1215
or
its
equivalent) to both sides
of
a new thermostat
cover gasket
(3).
Apply liquid-type gasket (Three Bond 1215 or
its
equivalent) to both sides of a
new
water flange
I
gasket(6).
(1)
Thermostat Cover
(5)
Water Flange Mounting
{2)
Thermostat Screw
(3)
Thermostat Cover Gasket
(6)
Water Flange Gasket
(4)
Water Flange
(7)
Thermostat Cover
Mounting Screw
Water Pump
1. Unscrew the water pump mounting screws, and
remove the water pump from the gear case cover.
2.
Remove the water pump flange (1).
3.
Press out the water pump shaft
(2)
with
the
impeller (5) on
it.
4.
Remove
the
impeller
(5)
from the water pump
shaft
(2).
5.
Remove the mechanical seal
(4).
B083F064
5119
(When reassembling)
0
Apply liquid-type gasket (Three Bond 1215 or
ils
equivalent) to both sides
of
a new water pump
gasket.
0
Replace the mechanical seal
(4)
with
a new one.
(1)
Water Pump Flange
(4)
Mechanical Seal
(2)
Water Pump Shaft
(5)
Impeller
(3)
Water Pump
Body
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