Komatsu PC450-8 - Work Equipment Controls and Operations

OPERATION MACHINE OPERATIONS AND CONTROLS
3-149
WORK EQUIPMENT CONTROLS AND OPERATIONS 3
WARNING
If the lever is operated when the engine speed has been lowered by the auto-deceleration function, the
engine speed will suddenly rise, operate the levers carefully.
Use the control levers to operate the work equipment.
Note that when the levers are released, they return to the HOLD position and the work equipment is held in that
position.
q Arm control
Move the left work equipment control lever to the front or
rear to operate the arm.
q Swing control
Move the left work equipment control lever to the left or
right to swing the upper structure.
q Boom control
Move the right work equipment control lever to the front or
rear to operate the boom.