Section 3 – Emergency procedures
POWERPLANT EMERGENCIES
6.3. PROPELLER OVERSPEED
In case of propeller overspeeding in flight, apply following procedure:
1. Throttle Lever ……………. REDUCE power
2. Mixture Lever ……………. As required
3. RPM indicator .…………… CHECK
If it is not possible to decrease propeller rpm, land as soon as possible applying
Forced landing procedure. (See Para 11)
Maximum propeller rpm exceedance may cause engine components
damage.
Apply caution while accelerating with power lever close to max and
monitor engine RPM; RPM overspeed shall be prevented by retard-
ing power lever.
6.4. IRREGULAR RPM
1. Fuel pump: …………………………………ON
2. Fuel quantity and pressure indicators: …..…CHECK
3. If necessary: ……………………………….. SWITCH TANK
If engine continues to run irregularly
Land as soon as possible.
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