11-54
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD OIL COOLER
Unit: mm
No. Check item Criteria Remedy
1
Lift of thermostat to
fully open position
Min 8mm
(soak the valve in oil bath at 100ºC for 4 to 5 minutes to check)
Replace
Opening/closing of
thermostat
Check that the valve closes fully when the oil temperature
has gone down to 85ºC from 100ºC when the valve was fully open.
(Soak the valve in an oil bath for 4 to 5 minutes to check)
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