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OPERATION
Engine Coolant and Engine Oil Heatings
Legend for illustration Z 25383
(1)
Coolant heating system, vertically mounted on inside
of counterweight
(2)
Switch, coolant heater ON/OFF
(3)
Indicator light, coolant heating ON
(4)
Coolant hoses, from the engine to the heater
(5)
Coolant hose, from the heater to the engine
(6)
Pump
(7)
Control panel
(8)
Coolant heating element and tank
(A)
Coolant inlet
(B)
Coolant outlet
(C)
Engine oil heaters installed in the engine oil pan
(D)
Thermostats for engine oil heaters installed in the
engine oil pan
3.8 PREHEATING SYSTEMS
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