GFC 600 AFCS Part 23 AML STC Maintenance Manual Page 22
190-01938-00 Revision 13
5. Disengage the AP and YD by pressing the red AP DISC/TRIM INT switch on the pilot’s
flight controls.
6. Ensure that the pitch, roll, and yaw servos are disengaged by moving the flight controls
and feeling no resistance from the servos.
7. Run the electric pitch trim by moving the trim switch on the pilot’s flight controls to the
nose down direction.
8. Ensure that the pitch trim wheel moves in the nose down direction.
9. Release the pitch trim switch on the pilot’s flight controls.
10. Ensure that the pitch trim wheel stops moving.
11. Ensure that the pitch trim wheel may be moved freely by hand.
12. Remove power from the aircraft.
4.9 Yaw Trim AP DISC/TRIM INT Switch Check
If the GFC 600 is interfaced to a GSA 87 for Yaw Trim, complete the following:
1. Verify that the autopilot is powered and has successfully completed its pre-flight test
(PFT).
2. Actuate the pilot’s yaw TRIM switch in the nose right direction.
3. Verify that the yaw trim servo engages and that the yaw trim drives in the nose right
direction.
4. While the trim is running, press the pilot’s AP DISC/TRIM INT switch.
5. Verify that the Yaw Trim stops running while the AP DISC/TRIM INT switch is held.
6. Release the pilot’s AP DISC/TRIM INT switch.
7. Verify that the Yaw Trim starts running in the nose right direction.
8. Release the pilot’s yaw TRIM switch.
9. Repeat steps 2 through 8 for the copilot’s yaw TRIM switch (if installed).
10. Repeat steps 2 through 9 using the copilot’s AP DISC/TRIM INT switch (if installed).
.
To Next Page
Loading...
Need help?
General
