Precautions For Discharged Battery - Komatsu D61EX-24 Operation & Maintenance Manual

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OPERATION
If the machine gets stuck in the mud or a heavy thing
needs to be towed, install a towing wire rope to the draw
bar pin.
Connect a wire rope to the part indicated with the arrow in
the drawing.

PRECAUTIONS FOR DISCHARGED BATTERY

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It is dangerous to charge a battery when installed on a
machine. Make sure that it is removed before charg-
ing.
When checking or handling the battery, stop the en-
gine and turn the starting switch and battery discon-
nect switch keys to OFF positions.
The battery generates hydrogen gas, and it is danger-
ous that it may explode. Do not bring open flame such
as lighted cigarettes near the battery, or do nothing
that will cause sparks.
Battery electrolyte is dilute sulfuric acid, and it will at-
tack your clothes and skin. If it gets on your clothes or
on your skin, immediately wash it off with a large
amount of clean water.
If it gets in your eyes, wash the eyes immediately with
clean water, then consult a doctor for medical treat-
ment.
When handling batteries, always wear protective eye-
glasses and rubber gloves.
When removing the battery, first disconnect the cable
from the ground (normally the negative (-) terminal).
When installing, first connect the cable to the positive
(+) terminal.
If a tool touches the positive terminal and the chassis,
it is dangerous that it may cause a spark. Be extremely
careful.
If the terminals are loose, it is dangerous that the de-
fective contact may generate sparks, and it may cause
an explosion.
Install the cable terminals securely.
When removing or installing the cable terminals,
check which is the positive (+) terminal and which is
the negative (-) terminal.
WARNING
TROUBLES AND ACTIONS
3-251

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