Yanmar 6LYA-STP Mode D'emploi page 50

Trouble
○Charge lamp does
not go out
during operation
●Starting Failures
○Starter works
but engine does not
start
○Starter does not
work or works
only slowly. (eng.can
be turned manually)
○Engine can't be turned
manually
●Poor Exhaust Color
○Black smoke
○White smoke
Probable Cause
V-belt broken or loose
Battery defective.
Alternator power
generation failure
No fuel
Improper fuel
Fuel injection faulty.
Compression leaks from
intake/exhaust valve.
Neutral safety switch engaged
Battery charging
insufficient.
Cable terminal contact
failure
Switch of safety
device faulty.
Starter switch faulty.
Battery power lacking due
to other use.
Internal parts seized;
broken.
Load increased
Turbocharger blower
contaminated.
Fuel improper.
Faulty spraying by
F.O. injection valve
Int./exh. valve head
clearance excessive
Improper fuel
Faulty spraying by
F.O. injection valve
F.O. injection timing lags
Lube oil burns;
excessive consumption
_
47
Measure
Replace V-belt; adjust
tension
Check fluid level,
specific gravity;
replace.
Ask for repairs.
Resupply fuel; bleed air.
Use recommended fuel.
Ask for repairs.
Ask for repairs.
Shift clutch to Neutral.
Check fluid level;
re-charge; replace.
Remove rust from
terminal; retighten.
Ask for repairs.
Ask for repairs.
Consult your dealer.
Ask for repairs.
Inspect propeller
system
Clean blower.
Use recommended fuel
Ask for repairs.
Use recommended fuel
Ask for repairs.
Ask for repairs.
Ask for repairs.
_
Reference
4.3.5(1)
4.3.2(3)
3.2.1(1)
3.1.1
3.3.2(1)
4.3.2(3)
3.1.1
3.1.1