Komatsu PC15MRX-1 Operation And Maintenance Manual page 136

TROUBLESHOOTING
BOOSTER CABLE CONNECTION
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. Make sure that the starting switches of the normal
machine and problem machine are both at the OFF posi-
tion.
2. Connect one clip of booster cable (A) to the positive (+)
terminal of the problem machine.
3. Connect the other clip of booster cable (A) to the positive
(+) terminal of the normal machine.
4. Connect one clip of booster cable (B) to the negative (-)
terminal of the normal machine.
5. Connect the other clip of booster cable (B) to the engine block of the problem machine.
STARTING THE ENGINE
Always check that the safety lock lever is set to the LOCK position, regardless of whether the machine is
working normally or has failed. Check also that all the control levers are at the HOLD or neutral position.
1. Make sure the clips are firmly connected to the battery terminals.
2. Start the engine of the normal machine and keep it to run at high idling speed.
3. Turn the starting switch of the problem machine to the START position and start the engine. If the engine
doesn't start at first, try again after 2 minutes or so.
BOOSTER CABLE DISCONNECTION
After the engine has started, disconnect the booster cables in
the reverse of the order in which they were connected.
1. Remove one clip of booster cable (B) from the engine
block of the problem machine.
2. Remove the other clip of booster cable (B) from the nega-
tive (-) terminal of the normal machine.
3. Remove one clip of booster cable (A) from the positive
(+) terminal of the normal machine.
4. Remove the other clip of booster cable (A) from the posi-
tive (+) terminal of the problem machine.
3-82
CAUTION
OPERATION