C I R R U S
A I R P L A N E M A I N T E N A N C E M A N U A L
1. GENERAL
This chapter describes the controls which govern operation of the engine. The engine controls for the air-
plane consist of the following: throttle, mixture, and propeller governor. The primary controls employ con-
ventional push-pull type levers and are connected to a control quadrant mounted forward on the center
console. The quadrant control assembly incorporates a friction lock which can be adjusted to retain the
throttle and mixture control lever positions.
The throttle control lever is connected through a cable to the throttle body mounted forward of the induction
duct assembly.
The propeller governor control cable is terminated on a cam follower plate which is integral to the throttle
control lever. This connection allows the propeller speed to be mechanically adjusted to the throttle setting.
Under this arrangement, the propeller is set to 2700 RPM for full forward throttle takeoff and climb, 2500
RPM for mid to full throttle cruise, and approximately 1900 RPM at lower power. For additional mainte-
nance practices regarding the propeller governor refer to Chapter 61, Propeller.
The mixture control lever is connected through a cable to the fuel pump centrally located on the aft side of
the engine.
EFFECTIVITY:
All
ENGINE CONTROLS
M O D E L S R 2 2
(Refer to 61-00)
76-00
Page 1
15 Apr 2007
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