Komatsu WA600-8, Operation & Maintenance Manual

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1.
Remove the clip of jumper cable (B) from engine block (E)
on the failed machine.
2.
Remove the clip of jumper cable (B) from the negative (-)
terminal of battery (D) on the normal machine.
3.
Remove the clip of jumper cable (A) from the positive (+)
terminal of battery (D) on the normal machine.
4.
Remove the clip of jumper cable (A) from the positive (+)
terminal of battery (C) on the failed machine.
START ENGINE WITH AUXILIARY ENGINE STARTING CONNECTOR
k k
WARNING
• Do not bring the normal machine into contact with the failed machine.
The sparks caused near the battery could ignite the hydrogen gas generated from the battery, so be
careful not to let it happen.
• Make sure that there is no mistake in the auxiliary engine starting connector.
Connect the final cable to the failed machine.
NOTICE
• The starting system for this machine uses 24 V. Accordingly, the normal machine must be equipped
with a 24 V power supply.
• The sizes of the auxiliary engine starting cable should be suitable for the battery size.
• Check that the cables and connectors are free from damage or corrosion.
• Firmly connect the connectors.
• Check that the work equipment pilot lamps of both machines are lit or the parking brake switches
are in ON position.
• Control levers must be in NEUTRAL position.
• To prevent damage of the electric devices of the failed machine, before connecting the auxiliary en-
gine starting cables, turn the starting switch of the failed machine to OFF position, and then turn the
battery disconnect switch to OFF position.
For the operating method of the battery disconnect switch, see “BATTERY DISCONNECT SWITCH
(3-139)”.
Connect the auxiliary engine starting cables
1.
Turn the starting switches of both machines to OFF position.
2.
Turn the battery disconnect switch of both machines to OFF position.
3.
Connect the auxiliary engine starting cables to the normal machine.
4.
Connect the auxiliary engine starting cables to the failed machine.
Start engine
1.
Check that the connectors are connected firmly.
2.
Start the engine of the normal machine, and run it at high idle (max. speed).
3.
Turn the starting switch of the failed machine to START position and start the engine.
If the engine does not start, try it again after 2 minutes or more.
Remove the auxiliary engine starting cables
1.
After the engine has been started, remove the auxiliary engine starting cables of the failed machine.
2.
Remove the auxiliary engine starting cables of the normal machine.
TROUBLES AND ACTIONS OPERATION
3-290