4-12
IO-240 Series Engine Installation & Operation Manual
31 October 2011
Engine Operation
3) Mixture Control .................................... lean until RPM peaks for 10 seconds.
4) Mixture Control .................................... FULL RICH
8. Throttle.............................................................. 1200 RPM
4-3.4. Taxi Preparation
Before taxiing, refer to the AFM/POH for detailed taxi preparation procedures applicable
to your aircraft. Check the following items:
CAUTION: DO NOT operate the engine at run-up speed unless the
oil temperature is at least 75°F (24°C) and the oil pressure is within
the 30-60 psi range. Operating the engine above idle before reaching
minimum oil temperature may cause a loss of oil pressure and
engine damage.
NOTE: For taxi operation during high ambient temperature or from fields
at higher altitudes, the mixture control may require leaning for smooth
engine operation. A FULL RICH mixture must be used for takeoff.
1. Cowling Flaps ................................................... FULL OPEN (if equipped)
2. Instrument Checkout......................................... Refer to AFM/POH
4-3.5. Power Control
When increasing power: enrich the mixture, then advance the throttle to increase RPM.
When decreasing power: reduce the RPM, then adjust the mixture setting.
Summary of Contents for IO-240-A
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