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Information Manual
3-15
Cirrus Design
Section 3
SR22
Emergency Procedures
Low Oil Pressure
If low oil pressure is accompanied by a rise in oil temperature, the
engine has probably lost a significant amount of its oil and engine
failure may be imminent. Immediately reduce engine power to idle and
select a suitable forced landing field.
• WARNING •
Prolonged use of high power settings after loss of oil pressure
will lead to engine mechanical damage and total engine
failure, which could be catastrophic.
• Note •
Full power should only be used following a loss of oil pressure
when operating close to the ground and only for the time
necessary to climb to an altitude permitting a safe landing or
analysis of the low oil pressure indication to confirm oil
pressure has actually been lost.
If low oil pressure is accompanied by normal oil temperature, it
is possible that the oil pressure sensor, gage, or relief valve is
malfunctioning. In any case, land as soon as practical and
determine cause.
1. Power Lever ................................................ MINIMUM REQUIRED
2. Land as soon as possible.
Propeller Governor Failure
If the RPM does not respond to power lever movement or overspeeds,
the most likely cause is a faulty governor or an oil system malfunction.
If moving the power lever is difficult or rough, suspect a power lever
linkage failure and perform the Power Lever Linkage Failure checklist.
Propeller RPM will not increase:
1. Oil Pressure ....................................................................... CHECK
2. Land as soon as practical.
Propeller overspeeds or will not decrease:
1. Power Lever ................................. ADJUST (to keep RPM in limits)
2. Airspeed.........................................................REDUCE to 90 KIAS
3. Land as soon as practical.
March 2010