Komatsu HB215LC-3, Operation & Maintenance Manual

Page: 168 / 492

REVOLVING LAMP SWITCH
(if equipped)
Revolving lamp switch is used to light up the yellow revolving
lamp on top of the cab.
(a) ON
Lights up
(b) OFF
OFF
CEILING WINDOW WIPER SWITCH
(if equipped)
The ceiling window wiper switch actuates the ceiling window
wiper and window washer.
(a) Wiper position
It actuates the wiper on the ceiling window.
(b) Washer position
While depressing the switch, the washer fluid for the ceiling
window is sprayed and wiper operates at the same time.
When the switch is released, it returns to the position (a), the
spray of washer fluid is stopped, and only the ceiling window
wiper operates.
(c) Stop position
The ceiling window 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.
EXPLANATION OF COMPONENTS OPERATION
3-96