Shibaura ST330, Workshop Manual

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63
Condition Cause Remedy
Improper color of engine
exhaust
Too much engine oil.
Too low viscosity of engine oil.
Improper injection timing. Check and adjust the quantity.
Check and change.
Too late. Correct.
Improper engine exhaust
(black or dark gray)
Improper fuel.
Excessive fuel injection.
Improper function of engine main body.
Overload.
Clogged air cleaner. Check and change.
Check and adjust.
Check a correct each part.
Reduce the load.
Clean the element.
Improper charging.
Loosened fan belt.
Trouble in wiring of each part.
Defective battery.
Defective alternator. Correct belt tension.
Check and repair.
Replace.
Replace.
Starting motor does not
operate.
Loosened or disconnected wiring of each part.
Dropped battery voltage.
Defective safety switch.
Trouble in starting motor.
Disconnected wire of fusible link. Check and install or tighten.
Charge the battery.
Replace.
Check and correct the starting motor.
Replace.
Oil pressure lamp does
not go out.
Insufficient engine oil.
Trouble in oil pressure switch.
Oil leakage from lubricating system.
Clogged oil filter.
Short circuit wiring between oil pressure lamp and
oil pressure switch.
Replenish to specified gauge level.
Replace the switch.
Check and retighten.
Replace with new one.
Repair.
Oil pressure lamp does
not light up with the key
switch turned ON.
(While engine stops.) Burnt out lamp.
Disconnected wire between battery and oil pressure
lamp. Replace the lamp.
Repair.