Control Levers And Pedals - Komatsu PC450-8 Operation & Maintenance Manual

OPERATION

CONTROL LEVERS AND PEDALS

(1) Lock lever
(2) Travel levers
(with pedal and auto-deceleration system)
Lock Lever
q
When leaving the operator's compartment, set the lock lever securely to the LOCK position. If the lock
lever is not at the LOCK position and the control levers or control pedals are touched by mistake, it
may lead to serious personal injury.
q
Check that the condition of the lever is as shown in the diagram.
q
When pulling the lock lever up, be careful not to touch the work equipment control lever.
When pushing the lock lever down, be careful not to touch the work equipment control lever.
This lever (1) is a device to lock the work equipment, swing,
travel, and attachment (if equipped) control levers.
(L) LOCK position: Even when levers or attachment control
pedal (if equipped) are operated, machine does not move
(F) FREE position: Machine moves according to operation of
levers or attachment control panel (if equipped)
REMARK
This lock lever is of hydraulic lock type. Accordingly, when it is in the lock position (L), the control levers or control
pedals move but the machine does not move.
(3) Left work equipment control lever
(with auto-deceleration system)
(4) Right work equipment control lever
(with auto-deceleration system)
WARNING
DETAILED CONTROLS AND GAUGES
3
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