Komatsu Galeo PC27MR-2 Operation & Maintence Manual page 66

DETAILED CONTROLS AND GAUGES
Cab Heater Switch
(Machines equipped with cab)
This switch (5) is used to heat the operator's compartment. The
flow rate of the hot air can be set to two levels.
Position 0: Off
Position 1: Weak
Position 2: Strong
Hot water from the engine is used to carry out heating, so heating
is possible when the engine coolant is hot.
Windshield Wiper Switch
(Machines equipped with cab)
This switch (6) actuates the front window wiper.
This is also used as the window washer switch.
The switch is operated as follows:
Wiper only
When the switch is set to position (B), the wiper is actuated.
Position (A): Wiper stopped
Position (B): Wiper actuated
Wiper and window washer
When the wiper is working and the switch is kept pushed to
position (B), washer fluid is sprayed out.
When the switch is released, it returns, and only the wiper
operates.
REMARK
Be careful of the following when operating the window washer.
Do not keep the switch pushed in to the washer spray position
for more than 10 seconds continuously.
Do not press the switch to the washer spray position if the
washer fluid tank is empty.
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OPERATION