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Komatsu D37EX-21 - If Battery Is Discharged

Komatsu D37EX-21
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TROUBLESHOOTING OPERATION
3-120
IF BATTERY IS DISCHARGED 3
WARNING
q It is dangerous to charge a battery when mounted on a
machine. Make sure that it is dismounted before
charging.
q When checking or handling the battery, stop the
engine and turn the starting switch key to the OFF
position.
q The battery generates hydrogen gas, so there is a haz-
ard of explosion. Do not bring lighted cigarettes near
the battery, or do anything that will cause sparks.
q Battery electrolyte is dilute sulphuric acid, and it will
attack your clothes and skin. If it gets on your clothes
or on your skin, immediately wash it off with a large
amount of water. If it gets in your eyes, wash it out with
fresh water and consult a doctor.
q When handling batteries, always wear protective gog-
gles and rubber gloves.
q When removing the battery, first disconnect the cable
from the ground (normally the negative (-) terminal).
When installing, install the positive (+) terminal first.
If a tool touches the positive terminal and the chassis,
there is danger that it will cause a spark, so be
extremely careful.
q If the terminals are loose, there is danger that the
defective contact may generate sparks that will cause
an explosion.
q When removing or installing the terminals, check
which is the positive (+) terminal and which is the neg-
ative (-) terminal.
When removing, disconnect the
cable from the ground terminal first
When installing, connect the
cable to the positive (+) terminal first

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