TROUBLESHOOTING
60
8LV Series Operation Manual
TROUBLESHOOTING CHART
Symptom Probable Cause Measure
Indicators light on the
instrument panel and
alarm sounds during
operation
Shift to low speed operation immediately, and check which indicator has come on. Stop the
engine and inspect. If no abnormality is identified and there is no problem with operation,
return to port at lowest speed and request repairs.
Engine does not start or starts with difficulty
Pinion gear does not
engage
Loose terminal of battery/engage magnet Tighten
Poor contact of starting switch Correct with sandpaper or replace
Open coil of magnet switch Replace
Burr at gear tooth tip Correct
Poor clearance between pinion and ring gear Correct
Pinion gear is engaged
with ring gear, but does
not rotate
Loose battery/starter terminal Tighten
Poor contact of starting switch Correct with sandpaper or replace
Worn brush Replace
Open circuit of starter coil Replace
Slippage of starter/clutch Replace
Excessive resistance of cable between battery and
starter
Increase the cable size or shorten
Insufficient battery charge Charge
No fuel injection Incomplete priming of fuel system Carry out sufficient priming
Clogged fuel inlet filter Replace
Fuel level in fuel tank is low Add fuel
Closed cock of fuel tank Open cock
Clogged fuel pipe Clean
Failure of fuel supply pump Repair or replace
Failure of fuel injector Faulty valve seat Replace
Sticking of nozzle Replace
Worn nozzle Replace
Clogged injection hole Replace
Failure in fuel injection
system
Loose fuel injection pipe joint Tighten
Broken fuel injection pipe Replace
Air trapped in fuel injection pipe Bleed air from pipe
Engine compressed air
leak
Air leak from exhaust valve Carry out fitting of valve and seat
Faulty gasket/packing Replace
Worn upper portion of cylinder Replace
Worn piston ring Replace
Sticking piston ring Overhaul or replace
Broken valve spring Replace
Other Failure of engine system Conduct servicing
Clogged intake or exhaust pipe Clean
Controller defects system error Check DTC and conduct servicing
8LV_OPM.book 60 ページ ２０１１年１月１１日 火曜日 午後１２時８分
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