Komatsu D65EX-12 Operation & Maintenance Manual page 161

TROUBLESHOOTING
STARTING ENGINE WITH BOOSTER CABLE
When starting the engine with a booster cable, do as follows:
PRECAUTIONS WHEN CONNECTING AND DISCONNECTING BOOSTER CABLE
When connecting the cables, never contact the posi-
tive (-) and negative (+) terminals.
When starting the engine with a booster cable, always
wear safety glasses and rubber gloves.
Be careful not to let the normal machine and problem
machine contact each other. This prevents sparks
fromgenerating near the battery which could ignite the
hydrogen gas given off by the battery.
Make sure that there is no mistaken in the booster
cable connections. The final connection is to the
engine block of the problem machine, but sparks will
be generated when this is done, so connect to a place
as far as possible from the battery.
When disconnecting the booster cable, take care not
to bring the clips in contact with each other or with the
machine body.
NOTICE
The size of the booster cable and clip should be suitable for the battery size.
The battery of the normal machine must be the same capacity as that of the engine to be started.
Check the cables and clips for damage or corrosion.
Make sure that the cables and clips are firmly connected.
Check that the safety lock levers and brake lock levers of both machines are in the LOCK positions
respectively.
Check that each lever is in the neutral position.
CONNECTING THE BOOSTER CABLE
Keep the starting switch of the nornal machine and problem
amchine are both at the OFF position.
Connect the booster cable as follows, in the order of the num-
bers marked in the diagram.
1. Connect one clip of booster cable (A) to the positive (+)
terminal of the problem machine.
2. Connect the other clip of booster cable (A) to the positive
(+) terminal of the normal machine.
3. Connect one clip of booster cable (B) to the negative (-)
terminal of the normal machine.
4. Connect the other clip of booster cable (B) to the engine block of the problem machine.
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WARNING
OPERATION