Starting With Booster Cables - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

TROUBLESHOOTING

3.15.3.1 STARTING WITH BOOSTER CABLES

When starting the engine with the aid of another machine, connect the batteries in parallel.
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When connecting the cables, avoid any contact between the positive cable (+) and the negative cable (–).
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When starting the engine with booster cables, always wear safety goggles.
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Take care to avoid any contact between the machine to be started and the machine used as starting aid,
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in order to avoid sparks and therefore the explosion of the hydrogen produced by the batteries.
The explosion of the battery causes serious damage and injury.
Take care not to invert the cables and connect the earth cable (–) last, as far from the battery as possible.
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Remove the cables with great care; prevent the cables disconnected from the battery from touching
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other parts of the machine, in order to avoid the explosion of the hydrogen.
IMPORTANT
The cables and pliers must be suitable for the current load that must be transferred.
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The battery used as starting aid must have greater capacity or at least the same capacity as the battery
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of the machine to be started.
Make sure that the cables and pliers are neither corroded, nor damaged.
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Make sure that the pliers hold the terminals firmly.
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CONNECTING THE CABLES AND STARTING THE ENGINE
1 - Make sure that the ignition key is in position « ».
2 - Connect the positive poles (+) of the two batteries with each
other (A).
3 - Connect the cable of the negative terminal (-) of the charged
battery to the earth block of the machine to be started (B).
4 - Start the engine of the machine that supplies current and
increase its speed.
5 - Start the engine of the failed machine. (See "3.6.2
STARTING THE ENGINE").
REMOVING THE CABLES
When the engine has started, remove the cables in the reverse
order with respect to their connection.
1 - Disconnect the negative cable (-) from the earth block of the
engine that has been started and then from the battery (B).
2 - Disconnect the positive cable (+) first from the battery used
as starting aid and then from the discharged battery (A).
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WARNING
RWA00740
2
RWA00850
1
A
1
Charged Spent
battery battery
Engine block
B
2 to be starded
A
2
Spent
Charged
battery battery
Engine motor
B
1 to be started
1
2