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OPERATION
Engine Coolant and Engine Oil Reserve Tank
Heatings
Legend for illustration Z 22553
(1)
Coolant heating for engine, vertically mounted on
inside of counter-weight.
(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) on the
switch board in cab base to ON position. The coolant heating can
then be switched on with switch (4) on the control panel. The
lamp (5) illuminates with coolant heating ON.
Before starting the shovel engines, 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 FOR OIL, COOLANT AND BATTERIES
223
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