Komatsu PW118MR-11, Operation & Maintenance Manual, Page: 323 / 462

1.
Connect the clamp of the jumper cable (A) to the positive
(+) terminal of battery (C) on the failed machine.
2.
Connect the clamp on the other end of the jumper cable
(A) to the positive (+) terminal of battery (D) on the opera-
tive machine.
3.
Connect the clamp of jumper cable (B) to the negative (-)
terminal of battery (D) on the operative machine.
4.
Turn the battery disconnect switch (S) of the failed ma-
chine to ON position.
5.
Connect the other clamp of the jumper cable (B) to the
swing chassis (E) of the failed machine.
Start engine
k k
WARNING
Check that the locking lever both on the operative machine and on the failed machine is in the LOCK
position. Check also that all the control levers are in NEUTRAL position.
1.
Make sure the clips are firmly connected to the battery terminals.
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 at first, try again after 2 minutes or more.
Remove booster cable
After starting the engine, disconnect the jumper cables proceeding in reverse to their connection.
1.
Remove the clamp of the jumper cable (B) from the swing
chassis (E) of the failed machine.
2.
Remove the clamp of jumper cable (B) from the negative
(-) terminal of battery (D) on the operative machine.
3.
Remove the clamp of jumper cable (A) from the positive
(+) terminal of battery (D) on the operative machine.
4.
Remove the clamp of the jumper cable (A) from the posi-
tive (+) terminal of battery (C) on the failed machine.
OTHER TROUBLE
PHENOMENA AND ACTIONS FOR ELECTRICAL SYSTEM
• For the remedies indicated with (*) in the remedy column, always contact your Komatsu distributor.
• In cases of problems or causes which are not listed below, ask your Komatsu distributor for repairs.
Problem Main causes Remedy
Lamp does not glow brightly even
when the engine runs at high
speeds. Defective wiring, deterioration of bat-
tery Check and repair loose terminal or
wire breakage, replace battery. (*)
Loosening and damage of fan belt Check fan belt tension and replace.
(*)
Lamp flickers while engine is run-
ning. Defective wiring, deterioration of bat-
tery Check and repair loose terminal or
wire breakage, replace battery. (*)
Loosening and damage of fan belt Check fan belt tension and replace.
(*)
OPERATION TROUBLES AND ACTIONS
3-251
WENAM00130