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O-200-D & X Series Engine Installation and Operation Manual
3 January 2017
Engine Operation
4-5.3. Ground Operation at High Density Altitude
CAUTION: Reduced engine power will result from higher density
altitude associated with high temperature.
Idle fuel mixture may be too rich for ground operation at high density altitude conditions.
Lean the fuel mixture to sustain operation at low RPM. When practical, operate the engine
at higher idle speed.
NOTE: A FULL RICH mixture is required during takeoff.
If higher than desired temperatures are experienced during the climb phase, establish a
lower angle of attack or higher climb speed, consistent with safe operating practices to
provide increased engine cooling.
•
Monitor oil and cylinder temperatures closely during taxiing and engine run up.
•
Operate with cowl flaps full open.
•
Do not operate the engine at high RPM except for necessary operational checks.
•
If take-off is not to be made immediately following engine run-up, face the aircraft into
the wind with the engine idling between 900-1000 RPM.
4-6. Troubleshooting
Engine troubleshooting instructions are in Chapter 8 of the Maintenance and Overhaul
Manual.
Summary of Contents for O-200-D
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