Jabiru 3300, Instruction And Maintenance Manual

Page: 100 / 103

Page No: 100 Issue No: 2 Date: 031100 Issued By: PJA
10.8 Excessive Oil Consumption
Possible Cause Remedy
1) Worn, broken or wrongly fitted piston rings Repair/engine overhaul necessary
2) Poor oil quality Oil change, use specified oil
3) Worn valve guides Repair of cylinder head necessary
4) Oil leaks Seal leaks
10.9 Knocking Under Load
Possible Cause Remedy
1) Octane rating of fuel too low Use fuel with higher octane rating
2) Spark plug fitted without sealing washer Ensure one sealing washer on each plug
3) Heavy carbon deposits Remove cylinder heads & in combustion
chamber remove deposits. Determine oil
consumption.
10.10 Engine Hard to Start at Low Temperature
Possible Cause Remedy
1) Starting speed too low Preheat engine
2) High oil pressure At very low temperatures, a pressure
reading of up to around 500 kpa doesn't
necessarily indicate a malfunction
3) Low battery charge Fit fully charged battery