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Jabiru Aircraft
Pty Ltd
Instruction & Maintenance Manual
Jabiru 2200 Aircraft Engine
Hydraulic Valve Lifter Models
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REVISION
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Dated : June 2010
Issued By: DPS
Page: 109 of 116
L:\files\Manuals_For_Products\Engine_Manuals\Transition\JEM2204-9_I&M_unsigned.docx
14.1.4
Engine Runs Too Hot - Oil Temperature Above 110oC (230
o
F)
Possible Cause
Remedy
1)
Too much oil in crankcase
Check oil level & adjust if necessary
2)
Low oil level
Check oil level & add oil if necessary
3)
Poor quality oil
Oil change, use specified oil
4)
Clogged oil filter
Change filter
5)
Excessive piston blow by
Common reason: worn or sticking piston rings,
complete engine overhaul necessary
6)
Faulty bearings
If metallic particles are present in oil, complete
engine overhaul necessary
7)
Faulty oil temperature gauge
Exchange gauge
14.1.5
Unsatisfactory Power Output
Possible Cause
Remedy
1)
Ignition failure
Check ignition circuits; check wiring and pick-
ups; replace ignition units.
2)
Too much oil in crankcase
Check oil level & adjust if necessary
3)
Insufficient fuel supply
Check fuel supply system
4)
Fuel not according to specifications
Re-fuel with specified fuel
5)
Incorrect throttle adjustment
Re-adjust throttle fitting
6)
Leak in air intake
Check and tighten all connections, check carby
sockets.
7)
Carby diaphragm damage
renew diaphragm
8)
Hydraulic Lifter stuck / collapsed
Replace lifter(s)
14.1.6
Low Oil Pressure
Possible Cause
Remedy
1)
Insufficient oil in sump
Check oil level & replenish as necessary
2)
High oil temperature
Refer to Para. 10.4
3)
Faulty pressure gauge, sender or wiring
Check gauge, sender & wiring. Renew as
necessary.
4)
Faulty crankshaft bearings
Engine overhaul
5)
Relief valve not sealing
Inspect, replace back after cleaning
14.1.7
Engine Keeps Running with Ignition Off
Possible Cause
Remedy
1)
Idle speed too high
Adjust to proper idle speed (900 RPM)
2)
Faulty ignition switch
Check switch & cables. Repair/replace as
necessary
3)
Overheated engine
Conduct cooling run at 900 RPM
14.1.8
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