Komatsu PC350LC-8, Operation & Maintenance Manual

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DETAILED CONTROLS AND GAUGES
OPERATION
3-80
This switch (14) is used to make it possible to carry out opera-
tions temporarily if any problem should occur in the pump con-
trol system (when the display shows “E02“).
(a) EMERGENCY: When abnormal (move switch up)
(b) NORMAL: When normal (move switch down)
If the display shows “E02“, move the switch up to make it possi-
ble to carry out work.
Swing Parking Brake Release Switch
NOTICE
This switch makes it possible to perform swing operations for a short even when there is a problem in the
swing parking brake electric system. DO NOT use this switch except in emergencies. Repair the problem
as soon as possible.
This switch (15) is used to make it possible to carry out opera-
tions temporarily if any problem should occur in the swing park-
ing brake system (when the display shows “E03“).
(a) FREE: When abnormal (move switch up)
(b) NORMAL: When normal (move switch down)
q
If the display shows “E03“, move the switch up to the FREE
position, to make it possible to carry out work.
q
When pushing this switch up to the FREE position, the
swing lock monitor lamp begins to flash.