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EXPLANATION OF COMPONENTS
(1) nozzle
(2) roof window
(3) roof window wiper
LOWER WIPER SWITCH
(if equipped)
When the lower wiper switch is pressed, the lower wiper is
turned on.
(a) ON
Lower wiper operates.
(b) OFF
Lower wiper stops.
ENGINE SHUTDOWN SECONDARY SWITCH
NOTICE
The engine shutdown secondary switch is used to stop the engine when the starting switch is turned to
OFF position but the engine does not stop.
•
Use the engine shutdown secondary switch only in an emergency.
Contact your Komatsu distributor for repair immediately when there is any abnormality on this
switch.
•
If the engine shutdown secondary switch is moved to the "stop engine" position by mistake while
the machine is operating normally, "Engine Shutdown Secondary SW In Operation" is displayed on
the machine monitor.
If "Engine Shutdown Secondary SW In Operation" is displayed on the machine monitor, check that
the switch cover is closed and the switch is in the "normal" position. If not, set it to the "normal"
position.
1.
Raise cover (C) and open it.
3-94
OPERATION
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