Cooling Fan Thermo-Switch; Removal; Inspection; Installation - Suzuki VZ800 Service Manual

COOLING FAN THERMO-SWITCH

REMOVAL

• Drain the engine coolant. (2-17)
• Disconnect the cooling fan thermo-switch coupler 1.
• Remove the cooling fan thermo-switch 2.

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.
 09900-25008: Multi circuit tester set
 Tester knob indication: Continuity test ()
 Cooling fan thermo-switch operating temperature:
Standard (OFF→ON): Approx. 105 °C (221 °F)
(ON→OFF): Approx. 100 °C (212 °F)

* 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 1 and
the column thermometer 2 with a pan.

INSTALLATION

• Install the O-ring 1.
• Tighten the cooling fan thermo-switch to the specified torque.
 Cooling fan thermo-switch:
• Bleed air from the cooling circuit. (2-18)
17 N·m (1.7 kgf-m, 12.5 lb-ft)
COOLING AND LUBRICATION SYSTEM 7-9
Oil