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COOLING FAN THERMO-SWITCH
REMOVAL
• Remove the under cowling.
(L7a-3)
• Drain the engine coolant.
(L72-19)
• Disconnect the cooling fan thermo-switch coupler
CD.
• Remove the cooling fan thermo-switch
(2).
COOLING
AND
LUBRICATION
SYSTEM
7·7
INSPECTION
• Check the thermo-switch closing or opening temperatures by
testing it at the bench as shown in the figure. Connect the
thermo-switch to a circuit tester and place it in the oil con-
tained in a pan, which is placed on a stove.
• Heat the oil to raise its temperature slowly, and read the col-
umn thermometer when the switch closes or opens.
IT'Ootl
09900-25008: Multi
circuit
tester set
~
Tester
knob
indication:
Continuity
test
(el)))
_ Cooling fan thermo-switch operating temperature:
Standard
(OFF~ON):
Approx.
105°C
(221°F)
(ON~OFF):
Approx.
100°C
(212
OF)
ICAUTION I
* Take special care when handling the thermo-switch.
It
may
cause damage if it gets a sharp impact.
* Do
not
contact
the
cooling
fan thermo-switch
CD
and
the
column
thermometer
(2)
with
a pan.
Oil
INSTALLATION
• Install the O-ring
CD.
• Tighten the cooling fan thermo-switch to the specified torque.
~
Cooling fan thermo-switch: 17 N·m
(1.7 kgf-m, 12.5 Ib-ft)
• Pour engine coolant.
(L72-19)
• Install the under cowling.
(L710-24)