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CHAPTER 2 ENGINE3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
2
If stopping the engine when overheating the engine,
stop the circulation of the coolant and overheating
can be serious locally. Also if quick freezing, crack
will be able to occur in cylinder head, cylinder block
etc,.
Do not confusion In this case, engine rotates at low
speed and coolant temperature does to make fall
naturally.
Then after, supplies the coolant and removes the
cause.
Ther m os t at c o ns t ant ly ma int ain t he coo la nt
temp erature and is used to im prove t her mal
efciency by preventing heat loss.
When heating the thermostat in water, check the
valve open temperature.
VALVE OPEN TEMP
72.0°C ± 2°C (start open)
85.0°C ± 2°C (full open)
Valve expansion lift: Above 8mm•
6.6.6 OVERHEAT
K20W2A61
Thermostat
THERMOSTAT
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