Komatsu PC138US-11 Operation & Maintenance Manual page 157

OPERATION EXPLANATION OF COMPONENTS
REMARK
This machine controls the main pump for the best matching by
controlling the engine electronically. The dial has a dead zone
but it is not abnormal.
Range (c)
Dead zone (engine speed is constant)
P mode: 29%
E mode: 36%
Position (d)
High idle
CIGARETTE LIGHTER
The cigarette lighter is used to light cigarettes.
When the cigarette lighter is pushed in, it will return to its origi-
nal position after several seconds, so pull it out to use it.
If the cigarette lighter is removed, the socket can be used as an
85 W (24 V x 3.5 A) power source.
NOTICE
This cigarette lighter is for 24 V. Do not use as a power
supply for 12 V equipment.
ATTACHMENT 1 PROPORTIONAL SWITCH
The 1st-line attachment proportional switch is used to operate
the attachment.
For handling of the 1st-line attachment proportional switch, see
"HANDLE MACHINE READY FOR INSTALLATION OF AT-
TACHMENT (6-16)".
ATTACHMENT 2 PROPORTIONAL SWITCH
The 2nd-line attachment proportional switch is used to operate
the attachment.
For handling of the 2nd-line attachment proportional switch,
see "HANDLE MACHINE READY FOR INSTALLATION OF AT-
TACHMENT (6-16)".
3-87
WENAM00111