SECTION 7
DESCRIPTION
SOCATA
MODEL TB 20
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Information in this document is subject to change without notice.
© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
- All rights reserved
June 30, 1988
Revision 8
7.31
The stainless steel exhaust system comprises a silencer with a heat
exchanger in order to provide cabin hot air supply. Exhaust gases are
evacuated through the exhaust duct at the basis of engine lower cowl, on
R.H. side.
In order to obtain the maximum engine performance and T.B.O, the pilot
should apply the procedures recommended by Lycoming Operator’s Manual
concerning the engine.
ENGINE CONTROLS
– Engine manifold pressure is controlled by the throttle (large black knob)
located on the control pedestal on the L.H. side. In the forward position, the
throttle is open (full power) ; in the aft position, it is closed (engine idling).
At approximately
½
in. (12 mm) of its rear stop, the throttle actuates on
landing gear alarm microswitch.
– The propeller governor is controlled by the propeller control (blue or black
notched knob) located at the centre of the central pedestal. In the forward
position, the propeller moves to ”low pitch” position (high RPM), in the aft
position, it moves to ”high pitch” position (low RPM).
– The mixture is controlled by the mixture control (red notched knob) located
on R.H. side of the central pedestal. In the forward position, the mixture is
open (full rich) ; in the aft position, the mixture is closed (idle cut–off).
– Engine controls friction is controlled by a knurled knob located in the
alignment of the controls on the R.H. side of the pedestal.
