Komatsu PW98MR-10, Operation & Maintenance Manual

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SWITCH ENABLING TRANSLATION CIRCUIT IN AN EMERGENCY
NOTICE
• The switch enabling the translation circuit allows you to move short distances in an emergency
when faults show up in the gear selector. The travel direction is set with the travel direction switch
in an emergency. It should not be used permanently.
• If this switch is moved to emergency position by mistake while the machine is operating normally,
“L03” is shown in the machine monitor.
If “L03” is displayed during the work, check that the switch is in normal position.
It must not be used permanently. The failure that caused the anomaly must be repaired immediately.
The switch allows you to move short distances when faults
show up in the gear sensor.
(a) Emergency movement
When abnormal (switch is set back)
(b) Normal
When normal (switch is set forth)
PARKING BRAKE RELAY DEACTIVATION SWITCH
The switch allows you to release the parking brake if there is a
fault with the relay.
(a) Disconnecting the parking brake
When abnormal (switch is set back)
(b) Normal
When normal (switch is set forth)
If the switch is in the wrong position, an error message will ap-
pear on the control panel.
F/N/R OVERRIDE SWITCH
The switch allows you to select the travel direction in the event
of a fault in the translation electrical system and functions only
if the circuit is activated with the switch enabling the translation
circuit.
(F)
Forward
(N)
Neutral
(R)
Reverse
SWING PARKING BRAKE CANCEL SWITCH
NOTICE
Swing operations can be performed temporarily with swing parking brake cancel switch when there is a
problem in the swing parking brake system. Do not use it except for emergency. Repair the problem as
soon as possible.
OPERATION EXPLANATION OF COMPONENTS
3-99
WENAM00061