5-110
E
POWR
THERMOSTAT
SERVICE POINTS
Thermostat inspection
1. Check:
• Thermostat
1
Does not open at 50–60 °C (123–
141 °F)
→
Replace.
1
Thermostat
2
Thermometer
3
Water
4
Container
È
Fully closed
É
Fully open
NOTE:
If the accuracy of the thermostat is in doubt,
replace it. A faulty thermostat could cause seri-
ous overheating or over cooling.
Checking steps:
• Suspend the thermostat in a container
filled with water.
• Slowly heat the water.
• Place a thermometer in the water.
• While stirring the water, observe the ther-
mostat and thermometer’s indicated tem-
perature.
1
3
2
4
2. Check:
• Thermostat housing cover
• Thermostat housing
Cracks/damage
→
Replace.
3. Check:
• Cooling system
Leaks
→
Repair or replace any faulty
part.
Thermostat installation
1. Install:
• Thermostat housing
1
• Thermostat
2
• Gasket
• Thermostat housing cover
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