Komatsu PC138US-11 Operation & Maintenance Manual page 167

OPERATION EXPLANATION OF COMPONENTS
WORK EQUIPMENT CONTROL LEVER
The left work equipment control lever is used to operate the
arm and upper structure.
Swing control
(a): Swing RIGHT
(b): Swing LEFT
Arm control
: Arm IN
(c)
(d): Arm OUT
N (NEUTRAL)
The upper structure and arm are held in position and do not move.
The R.H. work equipment control lever is used to operate the
boom and bucket.
Boom control
(e): Boom RAISE
(f): Boom LOWER
Bucket control
(g): Bucket DUMP
(h): Bucket CURL
N (NEUTRAL)
The boom and bucket are held in position and do not move.
ATTACHMENT CONTROL PEDAL
(if equipped)
The attachment control pedal is used to control the attachment.
For handling of the attachment control pedals, see "HANDLE
MACHINE READY FOR INSTALLATION OF ATTACHMENT
(6-16)".
LOCK PIN
(if equipped)
The lock pin is used to lock the attachment control pedals.
For handling of the lock pin, see "HANDLE MACHINE READY
FOR INSTALLATION OF ATTACHMENT (6-16)".
3-97
WENAM00111