Maintenance Practices - Cirrus SR20 Maintenance Manual

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

3. MAINTENANCE PRACTICES

A. Magnetic Compass
(See Figure 34-201)
Note: When performing Operational Test - Magnetic Compass Calibration, use a non-mag-
netic or plastic screwdriver.
(1) Removal - Magnetic Compass
(a) Set BAT 1, BAT 2, and AVIONICS switches to OFF positions.
(b) Pull CABIN LIGHTS/OXYGEN circuit breaker.
(c) While supporting compass, loosen forward headliner.
(d) While supporting compass assembly, remove screws, washers, and nuts securing com-
pass to forward headliner.
(e) Disconnect electrical connector, then remove compass assembly from airplane.
(2) Installation - Magnetic Compass
(a) Connect electrical connector.
(b) Install screws, washers, and nuts securing compass to forward headliner.
(c) While supporting compass, install forward headliner.
(d) Reset CABIN LIGHTS/OXYGEN circuit breaker.
(e) Perform Operational Test - Magnetic Compass Calibration.
(3) Removal - Magnetic Compass Bracket
(a) Remove screw and washer securing compass bracket to cabin ceiling, then remove com-
pass bracket from airplane.
(4) Installation - Magnetic Compass Bracket
(a) Position compass bracket over mounting hole in forward headliner.
(b) Install screw and washer securing compass bracket to cabin ceiling.
EFFECTIVITY:
All
M O D E L S R 2 0
(Refer to 25-10)
(Refer to 25-10)
(Refer to 34-20)
34-20
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1 Feb 2017