Komatsu WA600-8 Operation & Maintenance Manual page 336

HANDLE AIR CONDITIONER
5.
Press the FRESH/RECIRC air selector switch and select
the recirculation of the air inside the cab (RECIRC) or the
intake of fresh air from outside (FRESH).
REMARK
To select the automatic operation during manual operation, press AUTO switch.
METHOD FOR STOPPING MANUAL OPERATION
Press the air conditioner OFF switch.
The display on the monitor goes out and the operation stops.
METHOD FOR OPERATING DEFROSTER
Frost adhered to the outside of the window glass can be removed by defroster operation.
1.
Press the defroster switch to set the vents in the defroster
mode.
2.
Press FRESH/RECIRC air selector switch and set it to RE-
CIRC mode.
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OPERATION