Komatsu D155A-6 Operation & Maintenance Manual page 133

EXPLANATION OF COMPONENTS
FAN SWITCH
Switch (2) is used to adjust the air flow.
The air flow can be adjusted to six levels.
Press the E switch to increase the air flow; press the R switc
h to decrease the air flow.
During auto operation, the air flow is automatically adjusted.
A: Liquid crystal dispiay
B: Air flow
a: Air flow "low"
b: Air flow "medium 1"
c: Air flow "medium 2"
d: Air flow "medium 3"
e: Air flow "medium 4"
f: Air flow "high"
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OPERATION