Komatsu PW180-7E0 Operation & Maintenance Manual page 140

3.4 Switches
Horn button
When the lower button on the left control lever (34) is pressed,
the horn will sound.
NOTE
Additional horn switch is on end of steering column stalk (21a).
Power max button
The upper button (40) of the left control lever is used to actuate
the power max function. Press the button once (single click) and
keep it depressed the power max. function actuates for a max.
8.5 seconds in P and E mode.
Cab lamp switch
This lights up the cab lamp.
ON position: Lights up
The cab lamp can be turned on even when the starting switch is
at the OFF position, so be careful not to leave it on by mistake.
3-46
34
21a
40
PW180-7E0 – VEAM400102
Operation
Left control lever
Left control lever