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FUNCTIONING
INSTRUMENTS AND CONTROLS
(5) Revolving light switch (if installed)
It is an ON-OFF switch used to turn on the beacon light (LED
on).
RKA33400
(6) Boom overload alarm switch (if installed)
It is an ON-OFF switch that is pressed (LED on) to enable the
boom overload device so that it indicates the moment when the
load limit is reached.
When it is OFF (LED off), this device operation is disabled.
RKA33410
(7) Cab heating and ventilation switch (Cab specification)
It is a three-speed switch and operates the fan motor.
Turn the switch (7) clockwise to increase the fan speed.
If operated after the tap installed on the heater has been
opened, this switch ensures the circulation of warm air and
serves as heating switch (see "CAB VENTILATION AND
COOLING (3-106)").
The temperature of the air flow from the heater is controlled by
the knob next to the switch. Turn the switch clockwise to
increase the temperature or anticlockwise to lower it.
WEAM014500
3-13
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