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Komatsu PC138US - Page 149

Komatsu PC138US
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OPERATION
DETAILED CONTROLS AND GAUGES
Air Conditioner Switch
Switch (8) is used to turn the air conditioner (cooling,
dehumidifying, heating) ON or OFF.
Press air conditioner switch (8) when the fan is operating (when
display (b) is shown on the display monitor). The air conditioner
is switched ON and starts to work. Press the switch again to
stop the air conditioner.
Air conditioner cannot be operated while the fan is off.
Sunlight Sensor
This sensor (9) automatically adjusts the flow of air from the vents
to match the strength of the sun's rays. In addition, it automatically
detects changes in the temperature inside the cab caused by
changes in the strength of the sun's rays beforehand and
automatically adjusts the temperature.
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