Other Trouble - Komatsu D85EX-18 Operation & Maintenance Manual

TROUBLES AND ACTIONS
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
Lamp does not glow brightly even
when the engine runs at high speeds.
Lamp flickers while engine is running. Defective wiring
Charge level caution lamp does not
go out even when engine is running.
Alternator produces unusual noise.
Starting motor does not rotate even
when starting switch is turned to
START position.
Pinion of starting motor repeats en-
gaging and disengaging (rattles).
3-230
Main causes
Defective wiring
Defective belt
Defective belt
Defective alternator
Defective wiring
Defective alternator
Defective wiring
Insufficient battery charge
Battery disconnect switch is at OFF
position.
Engine shutdown secondary switch at
"STOP ENGINE" position
Defective adjustment of safety switch Adjust safety switch. (*)
Insufficient battery charge
Remedy
Check and repair loose terminal or
wire breakage. (*)
Replace alternator belt. For details,
see WHEN REQUIRED. (*)
Check and repair loose terminal or
wire breakage. (*)
Replace alternator belt. For details,
see WHEN REQUIRED. (*)
Replace. (*)
Check, repair. (*)
Replace. (*)
Check, repair. (*)
Charge battery.
Turn ON.
Set it to "NORMAL" position.
Charge battery.
OPERATION