Checking The Thermostat - Yamaha XF50W Service Manual

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85±2 C 100 C
(185±3.6 F) (212 F)
EAS00462

CHECKING THE THERMOSTAT

1. Check:
• • • • • • • • • • • • • • • • • • • • • • •
a. Suspend the thermostat in a container filled
b. Slowly heat the water.
c. Place a thermometer in the water.
d. While stirring the water, observe the ther-
•••••••••••••••••••••••
©
(2)
(3)
(4)
A
B
NOTE:
If the accuracy of the thermostat is in doubt, re-
place it. A faulty thermostat could cause seri-
ous overheating or overcooling.
2. Check:
i i
'
3.5mm
(0.14 in)
3. Check:
I
\
6-5
THERMOSTAT
• thermostat (T)
Does not open at 85 ~100°C (185 ~212°F)
-» Replace.
with water.
mostat and thermometer's indicated tem-
perature.
Thermostat
Container
Thermometer
Water
Fully closed
Fully open
• thermostat cover
Cracks/damage -»
• thermostat inlet hose
• thermostat outlet hose
Cracks/damage -»
Replace.
Replace.