Komatsu PC450-8 Operation & Maintenance Manual page 424

HIGH REACH DEMOLITION EQUIPMENT 27M
CONTROL LEVERS AND SWITCHES
CEILING WINDOW WIPER SWITCH 7
10
c
Roof Wiper Switch
This switch (8) is used to turn on the roof wiper and to operate the
washer. The switch has 3 positions:
(a) ON: is with the rear end of the switch down. The wiper is on.
a
ON
b
(b) ON: is with the rear end of the switch pressed and held down.
The wash/wipe is on.
c
OFF
(c) OFF: The wiper/washer system is off.
1. Nozzle
(1)
(2)
2. Ceiling window
3. Ceiling wiper
(3)
7-14