6. COOLING SYSTEM
6-9
MXU 500
INSPECTION
Visually inspect the thermostat for damage.
Heat the water with an electric heating
element to operating temperature for five
minutes.
Suspend the thermostat in heated water to
check its operation.
Replace the thermostat if the valve stays
open at room temperature, or if it respond at
temperatures other than those specified.
Thermostat begin to open:
8084qC (176183qF)
Valve lift:
8 mm (0.3 in) minimum at 95qC (203qF)
INSTALLATION
Install the thermostat into the housing with
its air bleed hole facing up and aligning
bleed hole with the tab in the housing.
Thermostat
Thermomete
Air Bleed Hole
Tab Align
Ɣ Keep flammable materials away from
the electric heating element.
Ɣ Do not let the thermostat or
thermometer touch the pan, or you will
get false readings.
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