CIRRUS A
IRPLANE
M
AINTENANCE
M
ANUAL
C
HAPTER
22-10: GFC 700 A
UTOMATED
F
LIGHT
C
ONTROL
S
YSTEM
MODELS SR22
AND
SR22T
M
AINTENANCE
P
RACTICES
37
H.
Tests
(1)
Operational Test - GFC 700 Autopilot
(a)
Pull STARTER and FUEL PUMP circuit breakers.
(b)
Set ALT switch to OFF position.
(c)
Connect 28±1 VDC external power to external power receptacle.
(d)
Complete preflight test.
1
Set BAT 1 and AVIONICS switches to ON positions.
•
NOTE
•
AFCS (red) is displayed on PFD until ADAHRS
parameters are valid.
2
After ADAHRS parameters become valid, verify PFT (white) annunciation is
displayed on PFD.
3
Approximately 10 to 15 seconds after successful test completion, the PFT
annunciation will clear.
(e)
To verify trim switches are operating correctly, perform the following trim switch
checks.
1
On pilot’s yoke, momentarily actuate trim (roll) switch to the left. Verify
yoke moves left.
2
Momentarily actuate trim (roll) switch to the right. Verify yoke moves right.
3
Actuate trim (roll) switch to the left until stop is reached.
4
Actuate trim (roll) switch to the right until stop is reached.
5
Actuate trim switch to the center.
6
Momentarily actuate trim (pitch) switch forward. Verify yoke moves
forward.
7
Momentarily actuate trim (pitch) switch aft. Verify yoke moves aft.
8
Actuate trim (pitch) switch forward until stop is reached.
9
Actuate trim (pitch) switch aft until stop is reached.
10
Actuate trim switch to the center.
11
Repeat trim switch check on co-pilot’s yoke.
23 Dec 2016
