Low Oil Pressure; Oil Pressure Varying; Engine Keeps Running With Ignition Off; Excessive Oil Consumption - Jabiru 2200 Maintenance Manual

Engine Maintenance Manual
JEM0002-5
10.8

Low Oil Pressure

Possible Cause
1) Insufficient oil in sump
2) High oil temperature
3) Faulty pressure gauge, sender or wiring
4) Faulty crankshaft bearings
5) Relief valve not sealing
10.9

Oil Pressure Varying

Possible Cause
1) Low oil level
2) Sender, gauge or connection fault

10.10 Engine Keeps Running with Ignition Off

Possible Cause
1) Idle speed too high
2) Faulty ignition switch
3) Overheated engine

10.11 Excessive Oil Consumption

Possible Cause
1) Worn, broken or wrongly fitted piston rings Repair/engine overhaul necessary
2) Poor oil quality
3) Worn valve guides
4) Oil leaks

10.12 Oil Collector Bottle on Firewall Fills Quickly

Possible Cause
4) Worn, broken or wrongly fitted piston rings Repair/engine overhaul necessary
5) Incorrect oil grade
6) Worn or distorted cylinders
7) Over-filling sump
8) Negative-g
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ISSUE
L:\files\Manuals_For_Products\Engine_Manuals\Engine Maintenance Manual 22 & 33\JEM0002-5.docx
Jabiru Aircraft
Dated : 2nd June 2015
4 5
Pty Ltd
Jabiru 2200 & 3300 Aircraft Engines
Check oil level & replenish as necessary
Check engine is not over-full with oil
Check installation: improper gaps or insufficient pressure
head produce low airflow which can lead to elevated
temperatures.
Check gauge, sender & wiring. Renew as necessary.
Engine overhaul
Inspect, replace back after cleaning.
stuck in the valve will produce low pressure.
Check oil level & replenish as necessary
Check continuity of sender wire.
Check sender body is earthed to engine
Check gauge – replace with known good gauge if
possible.
Adjust oil pressure relief valve
Adjust to proper idle speed (900 RPM)
Check switch & cables. Repair/replace as necessary
Conduct cooling run at 900 RPM
Oil change, use specified oil
Repair of cylinder head necessary
Seal leaks
Oil change, use specified oil
Repair/engine overhaul necessary
Reduce oil level in sump
The Jabiru Engine is not approved for deliberate
negative G operations. Strong turbulence in flight can
have a similar effect: reduced RPM /speed is
recommended when operating in strong turbulence.
Remedy
Foreign matter
Remedy
Remedy
Remedy
Remedy
Issued By: AS Page: 84 of 103