CHAPTER 34
PAGE 8
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
34-20-00 ATTITUDE AND DIRECTION
This section describes that portion of the system which uses
magnetic or inertia forces to sense and display the direction
or attitude of the aircraft.
34-20-01 Magnetic Compass
The magnetic compass shows the course of the aircraft in
relation to magnetic north. Its measuring range is 360° in
increments of 5°. Its case is filled with silicone oil to
dampen the movements. The compass correction card is
located on the rear instrument panel.
The magnetic compass must be inspected as per chapter 5
and whenever the engine, magnetizable metals or parts of the
electrical resp. ignition system have been replaced, changed
or added.
Removal/Installation
1 Remove the instrument cover per chapter 31-10-03.
2 Remove the compass attachment bolts and nuts.
3 Remove the magnetic compass.
4 Install in reverse sequence of removal.
5 Perform a compass compensation and replace the compass
correction card.
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