Cooling Fan Thermo-Switch - HYOSUNG Aquil GV650 Service Manual

COOLING FAN THERMO-
SWITCH
◉ REMOVAL
● Drain engine coolant. (Refer to page 2-24)
● Remove the radiator cover. (Refer to page 5-2)
● Disconnect the cooling fan thermo-switch lead wire
coupler ①.
● Remove the cooling fan thermo-switch ②.
◉ INSPECTION
● Check the thermo-switch closing or opening tempera-
tures by testing it at the bench as shown in the figure.
Connect the thermo-switch ③ to a circuit tester and
place it in the OIL contained in a pan, which is placed
on a stove.
● Heat the oil to raise its temperature slowly and read
the column thermometer ④ when the switch closes

Cooling fan thermo-switch

operating temperature
ON → → OFF
OFF → → ON
Multi circuit tester set : 09900-25008
CAUTION
● ● 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
③ ③ and the column thermometer ④ ④ with a pan.
◉ INSTALLATION
● Install a new O-ring ⑤ and apply engine coolant to
the O-ring.
● Tighten the cooling fan thermo-switch to the specified
torque.
Cooling fan thermo-switch
● Pour engine coolant. (Refer to page 2-24)
● Bleed air from the cooling circuit. (Refer to page 2-25)
● Install the radiator cover.
Standard
Over 88℃ ℃
(190℉ ℉ )
Approx. 95℃ ℃
(203℉ ℉ )
: 13 N∙ ∙ m (1.3 kg∙ ∙ m)
②
①
④
③
COOLING SYSTEM 5-6
Oil
⑤