Komatsu D31EX-21, Operation & Maintenance Manual, Page: 85 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-33
ROOM LAMP SWITCH
(Machines equipped with cab)
This switch (8) is used to lights up the room lamp.
OFF position: Lamps are out
ON position: Lamps light up
WIPER SWITCH
(Machines equipped with cab)
This (9) activates the wipers.
The wiper switches are as follows.
(A) Front window
(B) Rear window
This is also used as the window washer switch.
The switch is operated as follows.
q
Window washer only
Keep the switch pressed to the OFF position to spray out
water.
q
Wiper only
If this is switched on, the wiper will start.
ON
OFF
ON
OFF
ON
OFF