Moxy MT 31 - Engine Heater; High Oil Temperature

Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 163
Engine heater
High oil temperature
Instrument indicates
too high temperature
Defective sensor/in-
strument
Poor water flow in oil
cooler
Check with separate
instrument
Effect Cause Troubleshooting Action
Boiler scale on engine
heater
Short service life
Incorrect mixture or
type of glycol and/or
corrosion inhibitor
Anti-freeze with phos-
phate-based inhibitor
must not be used
The heater is not de-
signed for continuous
engagement. Suitable
temperature for thermo-
stat control = 40 - 60
°C
Clean the cooling
system and fill it with
coolant as described
in the maintenance
instructions
Effect Cause Troubleshooting Action