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Operation
Pump control override switch
When normal: Switch (27) is down
Pos. Status
1.
Abnormal
2.
Normal
(1) When abnormal:
When the monitor display shows E02 (EPC valve system error),
it is possible to carry out operation when this switch is moved up.
The pump control override switch is designed to allow opera-
tions to be carried out for a short period when there is an abnor-
mality in the pump control system (EPC valve system error). The
abnormality must be repaired immediately.
Swing lock override switch
When normal: Switch (28) is down
Pos. Status
1.
Abnormal
2.
Normal
(1) When abnormal:
When the monitor display shows E03 (swing brake system
error), the brake is cancelled and it becomes possible to swing
the upper structure when this switch is moved up, so normal
operations can be carried out. However, the swing brake
remains cancelled.
The swing lock override switch is designed to allow operations to
be carried out for a short period when there is an abnormality in
the swing brake electrical system (swing brake system error).
The abnormality must be repaired immediately.
PW180-7E0 – VEAM400102
27
28
3.4 Switches
1
2
1
2
3-47
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