121
TROUBLESHOOTING
3.14.4 OTHER TROUBLES
3.14.4.1 ELECTRICAL CIRCUIT
(•):
Always contact your Komatsu Utility Dealer when you have to carry out this operation.
• :
If the anomaly or its cause are not included in the failures indicated below, contact your Komatsu Utility Dealer
for the necessary repair.
TROUBLE CAUSE REMEDY
Lights do not work satisfactorily even
with engine running at high speed:
•
Faulty cables.
•
Faulty fan belt tension.
(•)
Check and repair any loose termi-
nal and connection.
•
Adjust fan tension (see “EVERY 250
HOURS”).
Lights come on intermittently with
engine running:
Alternator charge warning light does
not go out with engine running and
increasing speed:
•
Faulty alternator.
•
Faulty cables.
(•)
Change.
(•)
Check and repair.
Alternator emits an abnormal noise:
•
Faulty alternator.
(•)
Change.
Starter does not turn with key in START
position:
•
Faulty cables.
•
Battery charge insufficient.
•
Faulty main fuse.
(•)
Check and repair.
•
Charge battery.
•
Change.
Starter pinion engages and then disen-
gages:
•
Battery charge insufficient.
•
Charge battery.
Starter makes engine run slowly:
•
Battery charge insufficient.
•
Faulty starter.
•
Charge battery.
(•)
Change.
Starter disengages before engine has
started:
•
Faulty cables.
•
Battery charge insufficient.
(•)
Check and repair.
•
Charge battery.
Engine oil pressure warning light does
not come on when engine is stopped
(ignition key in position
« »):
•
Faulty bulb.
•
Faulty pressure sensor.
(•)
Change.
(•)
Change.
Alternator charge warning light does
not come on when engine is stopped
(ignition key in position « »):
•
Faulty bulb.
•
Faulty cables.
(•)
Change.
(•)
Check and repair.
Summary of Contents for PC110R-1
Page 2: ......
Page 19: ...17 SAFETY AND ACCIDENT PREVENTION...
Page 51: ...49 THE MACHINE AND ITS OPERATIONS...
Page 126: ...124 PAGE INTENTIONALLY LEFT BLANK...
Page 127: ...125 MAINTENANCE...
Page 190: ...188 PAGE INTENTIONALLY LEFT BLANK...
Page 191: ...189 TECHNICAL SPECIFICATIONS...
Page 198: ...196 PAGE INTENTIONALLY LEFT BLANK...
Page 199: ...197 AUTHORISED OPTIONAL EQUIPMENT...
