Komatsu D155AX-8E0, Operation & Maintenance Manual

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WIPER SWITCH
The wiper switch operates the windshield wiper.
The wiper switches are as follows.
(LH) Left door
(FF) Front window
(RH) Right door
(RR) Rear window
(INT) Wiper intermittent operation switch
REMARK
If the wiper blade is locked for some reason, the wiper stops
automatically.
The wiper starts again automatically after a certain period. Be
sure to remove the cause of stop, however.
Examples of causes of stop
• Long operation while glass is half dry
• Foreign material caught in arm or blade
• Snow or ice sticking to arm or blade
This is also used as the window washer switch.
The switch is operated as follows.
• Switches (LH), (FF), (RH), and (RR)
(a) ON position
The wiper operates.
(b) Washer operating position
While the switch is depressed, the washing water is
sprayed and wiper operates at the same time.
When the switch is released, it returns to (a) position,
washing water stops, and only wiper operates.
(c) OFF position
The wiper stops.
• Switch (INT)
(a) ON position
The wiper operates intermittently when the switch is turned
ON.
(b) OFF position
The wiper operates continuously when the switch is turned
OFF.
EXPLANATION OF COMPONENTS OPERATION
3-94