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EXPLANATION OF COMPONENTS
If the Current Abnormality list includes any of the hydraulic sys-
tem errors "DXA9KB", "DXA8KB", "DXA9KA", or "DXA8KA",
you can perform operation temporarily by setting this switch to
"Emergency" position (a).
SWING PARKING BRAKE CANCEL SWITCH
Do not operate the swing parking brake cancel switch on the slopes. Otherwise, there is a danger that
the upper structure will swing under its own weight.
NOTICE
Swing operations can be performed temporarily with the swing parking brake cancel switch when there
is a problem in the swing parking brake system. Do not use it except in an emergency. Repair the prob-
lem as soon as possible.
Swing operations can be performed temporarily with the swing
parking brake cancel switch when there is a problem in the
swing parking brake system (when the upper structure does
not swing but the display does not show "L03").
(a) Cancel
When abnormal (switch is set to upper position)
(b) Normal
When normal (switch is set to lower position)
•
When the upper structure does not swing but the display
does not show "L03", move this switch to the Cancel posi-
tion (a), and operation can be performed.
•
When the switch is moved to Cancel position (a), the
swing lock pilot lamp flashes.
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 automat-
ic lock function is abnormal. Use this switch only when the machine or the work equipment needs to be
moved temporarily in an abnormal and emergency condition. Repair the problem as soon as possible.
3-94
k
k
WARNING
OPERATION
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