METHOD FOR STARTING ENGINE
1.
Check both of normal machine and failed machine that the lock lever is set to LOCK position.
2.
Check both of normal machine and failed machine that the control levers are in NEUTRAL position.
3.
Make sure the clips are firmly connected to the battery terminals.
4.
Start the engine of the normal machine and run it at high idle (Max. speed).
5.
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.
PROCEDURE FOR REMOVING JUMPER CABLE
After the engine has started, disconnect the jumper cables in the reverse of the order in which they were con-
nected.
1.
Remove the clip of jumper cable (B) from engine cylinder
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.
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. (*)
Defective belt tension Replace alternator belt. For details,
see Every500 hours maintenance.
Lamp flickers while engine is running. Defective wiring, deterioration of bat-
tery
Check and repair loose terminal or
wire breakage, replace battery. (*)
Defective belt tension Replace alternator belt. For details,
see Every500 hours maintenance.
Charge level caution lamp does not
go out even when engine is running.
Defective alternator Replace. (*)
Defective wiring Check, repair. (*)
Alternator produces unusual noise. Defective alternator Replace. (*)
Starting motor does not rotate even
when starting switch is turned to
START position.
Defective wiring Check, repair. (*)
Insufficient battery charge Charge battery.
Battery disconnect switch is at OFF
position.
Turn ON.
Engine shutdown secondary switch at
“STOP ENGINE” position
Set it to “NORMAL” position.
Defective adjustment of safety switch Adjust safety switch. (*)
Pinion of starting motor repeats en-
gaging and disengaging (rattles).
Insufficient battery charge Charge battery.
OPERATION TROUBLES AND ACTIONS
3-245
To Next Page
Loading...
Need help?
General
