Komatsu PC138US-11 Operation & Maintenance Manual page 164

EXPLANATION OF COMPONENTS
(4) R.H. work equipment control lever (with auto-de-
celeration system)
(5) Blade control lever (with auto-deceleration system)
LOCK LEVER
• When leaving the operator's seat, set the lock lever securely to LOCK position. If the lock lever is
not at LOCK position and the control levers or control switches are touched by mistake, it may lead
to serious personal injury or death.
• Always check that the lock lever is in LOCK position.
• When pulling the lock lever up, or when pushing the lock lever down, be careful not to touch the
work equipment control lever.
• Before setting the lock lever to FREE position, make sure that all levers and pedals are set to NEU-
TRAL position. If any of them is out of NEUTRAL position, the work equipment or machine may
move suddenly and cause a serious personal injury or death.
The lock lever is a device to lock the work equipment, swing,
travel, and attachment control levers.
(L) LOCK position
Even if a control lever or an attachment control pedal is operat-
ed, machine does not move.
(F) FREE position
The operator can operate the machine by operating the control
levers and attachment control pedals.
When the lock lever is set to LOCK (L) position, the work
equipment lock pilot lamp lights up. At the same time, the mode
is displayed in the center of the monitor display, and after 2
seconds, the screen returns to the standard screen.
REMARK
The lock lever is of hydraulic lock type. Accordingly, when it is
in LOCK position (L), the control levers and control switches
move but the machine does not move.
3-94
(6) Attachment control pedal (with auto-deceleration
system)
(7) Lock pin (if equipped)
WARNING
k
WENAM00111
OPERATION