Komatsu PC450-8 Operation & Maintenance Manual page 97

OPERATION
Window Washer Switch
This switch (5) is kept continuously pressed, window washer
fluid is sprayed out on the front glass. When the switch is
released, the spray stops.
q
If switch (5) is kept pressed when the wiper is stopped, the
window washer fluid will spray, and at the same time, the
wiper will be actuated continuously. When switch (5) is
released, the wiper will continue to operate for 2 cycles, then
stop.
q
If the wiper is moving intermittently and switch (5) is kept
pressed continuously, window washer fluid will spray, and at
the same time, the wiper will be actuated continuously.
When switch (5) is released, the wiper will continue to oper-
ate for 2 cycles, then return to intermittent operation.
Buzzer Cancel Switch
When this switch (6) is pressed, the warning buzzer for the
abnormal warning item stops.
DETAILED CONTROLS AND GAUGES
3-31