Garmin Software Version 0321.23 Manual descargar pdf (Pagina 263)

G1000 System Maintenance Manual – Diamond DA40/40F Page 8-11

190-00545-01 Revision G

8.3.2 AFCS Switch Checks

To verify that the AFCS system buttons and switches are operating correctly, perform the following

checks:

1. Actuate both halves of the manual electric pitch trim switch(MEPT). The trim clutch should

engage and the trim wheel should drive in the requested direction. Check operation in both

directions.

2. Press the AP DISC button and hold while actuating the MEPT switch. Trim should not run and

the trim wheel should rotate freely when moved manually. Release the AP DISC button.

3. Engage the Autopilot by pressing the AP key on the MFD. Press and hold the left half of the

MEPT switch. The Autopilot should disengage and the trim wheel should not move and rotate

freely when moved manually.

4. Engage the Autopilot again by pressing the AP key on the MFD. The pitch and roll clutches

should engage, resisting movement of the control stick. Press and hold the CWS switch. The

control stick should now move freely when moved manually.

5. Release the CWS switch and press the AP DISC switch. The Autopilot should disengage with a

flashing amber ‘AP’ annunciation on the PFD, accompanied by an aural alert. Verify that the

control stick is free in pitch and roll axes.

6. Engage the Autopilot again by pressing the ‘AP’ key on the MFD. Pull the AFCS circuit breaker.

The Autopilot should disengage, with abnormal disconnect alerting, consisting of a continuous

disconnect tone and a flashing red/white ‘AP’ annunciation. No AFCS annunciations (e.g.

AFCS, PFT, Mistrim) should remain on the PFD. Press the A/P DISC switch to cancel the

abnormal alert. Reset the AFCS breaker and watch the pre-flight test sequence again.

7. Press the GA button, on the throttle lever. ‘GA’ should be annunciated on the PFD for both pitch

and roll modes and the command bars should indicate a wings-level climb to 7 degrees.

8. Press the FD key on the MFD to deactivate the Go Around mode, and reset the Flight Director.

Press the AP key to engage the Autopilot. Press the CWS button for a few seconds and release;

verifying there is no residual force on the control stick for the pitch axis. Extend the flaps to

approach position. The trim wheel should immediately run in the DOWN direction. Now retract

the flaps. The trim should immediately run in the UP direction.

9. Disengage the Autopilot by pressing the AP DISC switch.

10. On the MFD use the ALT knob and set the altitude in the altitude preselect window to an altitude

greater than the current field altitude.

11. Now engage VS mode by pressing the VS key on the MFD. Verify the PFD display ‘VS’ in

green and indicates a pitch reference of ‘0’ FPM’.

12. Press the FLC key on the MFD and verify that ‘FLC’ is annunciated on the PFD in green with a

reference of 70 KTS (NOTE: This is the minimum speed reference for the GFC 700).

13. Press the ALT key on the MFD and verify that the ‘ALT’ annunciation is displayed in green on

the PFD with an altitude reference equal to the aircraft altitude (within the nearest 20 feet).

14. Press the FD key and verify that the mode annunciations and command bars are removed from

the display.

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Garmin Software Version 0321.23 Manual Pagina 263