COOLING SYSTEM 6-7
INSTALLATION
• Put the cooling fan between the down tube and the engine.
• Tighten the down tube mounting bolts. (#3-9)
• Tighten the cooling fan mounting bolts.
• Install the radiator. (#6-5)
COOLING FAN THERMO-SWITCH
REMOVAL
• Remove the radiator. (#6-4)
• Remove the cooling fan thermo-switch 1.
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 circui 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 col-
umn thermometer when the switch closes or opens.
$ Cooling fan thermo-switch operating temperature
Standard (OFF→ON): Approx. 105°C (221°F)
(ON→OFF): Approx. 100°C (212°F)
% Tester knob indication: Continuity test (
)
& 09900-25008: Multi circuit tester set
!
* 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.
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