Komatsu PC138US-11 Operation & Maintenance Manual page 277

Hydraulic excavator
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OPERATION
4.
Press vent selector switch (4) and select the desired vents.
At this time, the display of vent (c) on "A/C Setting" screen
of the monitor changes according to the selection.
5.
Press FRESH/RECIRC selector switch (6) and select recir-
culation of the air inside the cab (RECIRC) or intake of
fresh air from outside (FRESH).
METHOD FOR STOPPING MANUAL OPERATION
Press OFF switch (1).
The air conditioner stops.
WENAM00111
HANDLE AIR CONDITIONER
3-207

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