Wiper/Washer Switch - Hitachi 120-3 class Operator's Manual

Hydraulic excavator
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WIPER/WASHER SWITCH

The wiper and the window washer are operated using the
wiper/washer switch.
Wiper
Turn the wiper/washer switch to the specified position to
operate the wiper.
OFF Position: The wiper stops and is retracted.
INT Position: The wiper operates intermittently at the
interval selected by the switch position as
described below.
INT (Slow):
The wiper operates at 8-second interval.
INT (Mid):
The wiper operates at 6-second interval.
INT (Fast):
The wiper operates at 3-second interval.
ON Position: The wiper operates continuously.
NOTE: (1) When the front window (upper) is opened, the
wiper and washer will not operate. Even if the
front window (upper) is closed, the wiper and
washer will not operate until the lock pin on the
right side is placed in the lock position. If the
front window is opened while during operating
the wiper, the wiper will be retracted and the
washer function is deactivated.
(2) In case either the wiper or washer is operated
with the front window (upper) opened, or if
front window (upper) is opened while operating
either the wiper or washer, the front window
opening alarm buzzer will sound intermittently
at one-second intervals. Close the front window
(upper).
Washer (Std. Model)
Press and hold the wiper/washer switch to squirt washer
fluid onto the front window. When the wiper/washer switch
is pressed for more than 2 seconds, the wiper operates until
the switch is released. When the wiper/washer switch is
released, the wiper automatically retracts. While operating
the wiper in the INT mode, when the wiper/washer switch is
pressed, the wiper operation mode is changed to the con-
tinuous operation mode.
IMPORTANT: Washer motor may be damaged if wiper/
washer switch is held for more than 20 sec-
onds, or continually operated with no fluid
in the washer tank.
OPERATOR'S STATION
1-49
Mid
Slow
Fast
M178-01-016
Wiper
M1U1-01-018

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