Komatsu PC18MR-3, Operation & Maintenance Manual

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INSTRUMENTS AND CONTROLS
90 WEAM012101
6. Windshield wiper switch (machines with cab)
Switch (6) 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.
q
Position (A): windshield wiper off.
q
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.
NOTE
q
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.
7. Overhead light switch (machines with cab)
Use this switch (7) to switch on the overhead light.
q
Position (A): light off.
q
Position (B): light on.
8. Cab heating and ventilation switch
(machines with cab)
It is a three-speed switch and operates the fan motor. Turn the
switch (8) clockwise to increase the fan speed. When it is activat-
ed after the cock placed on the heater is opened, it causes hot air
to circulate performing the heating function (See "3.5.2 VENTILA-
TION AND HEATING".
The temperature of the air delivered by the heater is adjusted by
the knob placed next to the switch. Turn the switch clockwise to
increase the temperature or anticlockwise to lower it.
RKA21800
RKA21810
RKA16170
0
1
2
RKA23210
3