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EXPLANATION OF COMPONENTS
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 engine stop position by mistake while the ma-
chine 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 normal mode position. If not, set it to normal mode
position.
1.
Raise cover (C) to open it.
2.
Turn the engine shutdown secondary switch to upper posi-
tion (a) and the engine stops.
(a) Engine stop
When abnormal (switch is set to upper position)
(b) Normal mode
When normal (switch is set to lower position)
•
When cover (C) is closed, the engine shutdown secondary switch automatically returns to normal posi-
tion (b).
•
When the starting switch is turned to ON position
while the engine shutdown secondary switch is in the
engine stop position (a), "Engine Shutdown Secon-
dary SW in Operation" is displayed on the machine
monitor.
If this screen is displayed, return the engine shutdown
secondary switch to normal position (b).
3-92
WENAM00111
OPERATION
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