Komatsu PC45MR-30403, Operation And Maintenance Manual

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LOCK LEVER AUTOMATIC LOCK CANCEL SWITCH
NOTICE
The lock lever automatic lock cancel switch is used to disable the lock lever automatic lock function
and enable the operations of the work equipment and machine temporarily, when the lock lever auto-
matic lock function is abnormal.
Use this switch only when the machine or working machine needs to be moved temporarily in an abnor-
mal and emergency condition. Repair the problem as soon as possible.
If the lock lever automatic lock function is abnormal, when the lock lever is canceled normally under the condi-
tion that the work equipment control lever or travel lever is in NEUTRAL position, this function is actuated by
mistake and the machine or the work equipment may not move.
The machine or the work equipment can be operated tempora-
rily by setting the lock lever automatic lock cancel switch to
cancel position (a).
(a) CANCEL
When abnormal (switch is set to upper position)
(b) NORMAL
When normal (switch is set to lower position)
When the lock lever automatic lock cancel switch is set to
CANCEL position (a), the lock lever automatic lock cancel pilot
lamp lights up.
After moving the machine or work equipment temporarily by
operating this switch, stop the engine, return the switch to
NORMAL position (b), and then ask your Komatsu distributor
for repair.
EXPLANATION OF COMPONENTS OPERATION
3-84