Komatsu WA480-8, Operation & Maintenance Manual

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The battery disconnect switch is used to cut out the electricity
from the battery.
Open the cover on the right side of the machine, and open bat-
tery disconnect cover (1).
Raise rubber cover (2), and the switch is seen.
(O): OFF position
It allows moving in and out of switch key (3) and used for cut-
ting off the current from the battery.
(I): ON position
The current from the battery flows into the circuit.
Before starting the machine, be sure to set the switch to this
position.
REMARK
• If the battery disconnect switch is turned to OFF position,
every electric system of the machine becomes inoperable.
• The memories of the clocks of the radio and monitor are
lost.
Set them again when using.
• Immediately after the starting switch is turned to OFF posi-
tion, data is saved on each controller.
Before turning the battery disconnect switch to OFF posi-
tion, make sure that system operating lamp (4) below the
battery disconnect switch is off.
• Immediately after the reverse rotation of the fan, power to
the fan reverse solenoid is supplied for some time to pro-
tect the hydraulic motor even if the starting switch is turned
to OFF position.
Before turning the battery disconnect switch to OFF posi-
tion, make sure that the fan is stopped completely.
EXPLANATION OF COMPONENTS OPERATION
3-124