Thermostat; Removal; Inspection - Suzuki AN400 Service Manual

6-10 COOLING AND LUBRICATION SYSTEM

THERMOSTAT

REMOVAL

• Remove the frame cover. ("7-18)
• Remove the thermostat case 1.
• Remove the thermostat 2.

INSPECTION

• Check for crack or break on the thermostat.
• Immerse the thermostat in water contained in a pan as shown
and measure the valve start-to-open temperature when water
is heated gradually.
• If the thermostat valve opening temperature is not within the
specified range, replace the thermostat with a new one.
Thermostat valve start-to-open temperature: Approx.82 °C
(180 °F)
&
* Do not allow the thermostat 1 and thermometer 2
to come in contact with the bottom of the pan.
* As the thermostat operating response to water tem-
perature change is gradual, do not raise water tem-
perature too quickly.
* The thermostat with its valve open even slightly
under normal temperature must be replaced.