Komatsu PW180-7E0 Operation & Maintenance Manual page 138

Wheeled excavator
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3.4 Switches
Starter switch
This switch (5) is used to start or stop the engine.
OFF position
The key can be inserted or withdrawn. Except for the driving
light switch, hazard warning, seat compressor and interior
light, the switches for the electric system are all turned off
and the engine is stopped.
ON position
Electric current flows in the charging and lamp circuits.
Keep the starting switch key at the ON position while the
engine is running.
START position
This is the engine-start position. Keep the key at this position
during cranking. Immediately after starting the engine,
release the key which will automatically return to the ON
position.
HEAT (preheat) position
When starting the engine in winter, set the key to this posi-
tion. When the key is set to the HEAT position, the pre-heat-
ing symbol on the monitor lights up.
Keep the key at this position until the monitor lamp begins to
flash. Immediately after the pre-heating symbol flashes,
release the key. The key automatically returns to the OFF
position. Then, start the engine by turning the key to the
START position.
Fuel control dial
(with auto-deceleration mechanism)
Fuel Control Dial (6) adjusts the engine speed and output.
MIN (low idling):
Turned fully to the left
MAX (full speed)
Turned fully to the right
3-44
5
Heat
Off
6
MAX
MIN
PW180-7E0 – VEAM400102
Operation
On
Start

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