Komatsu PC138US-11 Operation & Maintenance Manual page 119

OPERATION
WIPER SWITCH
Wiper switch actuates the front window windshield wiper.
Each time the switch is pressed, it changes INT → ON → stop
(lamp goes out).
Windshield wiper pilot lamp INT lights up: Windshield wiper op-
erates intermittently
Windshield wiper pilot lamp ON lights up: Windshield wiper op-
erates continuously
Windshield wiper pilot lamp off: Windshield wiper stops
REMARK
Each time wiper switch is pressed, the mode is displayed in the
center of the monitor display, and after 2 seconds, the screen
returns to the standard screen.
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EXPLANATION OF COMPONENTS
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