Komatsu PC15MRX-1 Operation And Maintenance Manual page 66

EXPLANATION OF COMPONENTS
SAFETY LOCK LEVER
When leaving the operator's compartment, set the safety lock lever securely to the LOCK position. If
the safety lock lever is not at the LOCK position and the control levers are touched by mistake, it may
lead to serious personal injury.
If the safety lock lever is not placed securely at the LOCK position, the control lever may move and
cause a serious accident or injury. Check that the condition of the lever is as shown in the diagram.
Even if the safety lock lever is set to the LOCK position, the travel, blade, and boom swing controls
are not locked.
When pulling the safety lock lever up, be careful not to touch the work equipment control lever.
When pushing the safety lock lever down, be careful not to touch the work equipment control lever.
Lever (1) is a device to lock the work equipment, swing, travel,
and blade control levers.
When the lever is pulled up, the lever stand springs up and is
locked.
This lock lever is a hydraulic lock, so even if it is in the lock
position, the work equipment control lever and travel lever will
move, but the work equipment, travel motor, and swing motor
will not work.
WORK EQUIPMENT CONTROL LEVER
(with auto-deceleration device)
This Left work equipment control lever (2) is used to operate
the arm and upper structure.
Arm operation Swing operation
(a) Swing to right
(b) Swing to left
(c) Arm IN
(d) Arm OUT
N (Neutral): The upper structure and arm are held in position
and do not move.
This Right work equipment control lever(3) is used to operate
the arm and upper structure.
Boom operation Bucket operation
(e) RAISE
(f) LOWER
(g) DUMP
(h) CURL
N (Neutral): The boom and bucket are held in position and do
not move.
3-12
WARNING
OPERATION