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OPERATION
Engine Coolant Heating
Legend for illustration Z 25382
(1)
Coolant heating for engine, vertically mounted on
inside of counterweight
(2)
Control box for coolant heating
(3)
Switch, coolant heater ON/OFF
(4)
Indicator light, coolant heating ON
(5)
Water pump with motor
(6)
Coolant heating element and tank
(7)
Battery heater plates
To activate the coolant heating, set main switch (1Q1) page 161,
on the switch board on the inside of the counterweight to the ON
position. The coolant heating can then be switched on with switch
(3) on the control panel. The lamp (4) illuminates with coolant
heating ON.
Before starting the shovel engine, switch OFF the coolant heat-
ers.
REMARK
For more information about the coolant heating system, refer
to the operation manual "Coolant Heating System" filed in volume
2 binder.
3.8 PREHEATING SYSTEMS
157
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