Komatsu PC22MR-3 Operation & Maintenance Manual page 102

Hydraulic excavator
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INSTRUMENTS AND CONTROLS
(8) Windshield wiper switch (Cab specification)
Switch (8) activates the front windscreen wiper and it is also
used as windscreen washer switch.
The switch functions as described below:
q Windshield wiper only
Press the switch to position (B) to start the windshield
wiper.
Position (A): windshield wiper off.
Position (B): windshield wiper on.
q Windshield wiper/washer
When the windshield wiper/washer is in operation and the
switch, which is in position (B), is pressed, the detergent is
sprayed out.
Upon release of the switch, only the windshield wiper
works.
REMARK
When the windshield washer is in operation, pay attention to
the following. Do not keep the switch pressed in spraying
position for more than 10 consecutive seconds. Do not press
the switch to spray detergent if the reservoir is empty.
(9) Overhead light switch (Cab specification)
Use this switch (9) to switch on the overhead light.
q Position (A): light off.
q Position (B): light on.
3-14
WEAM014500
FUNCTIONING
RKA33360

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