Section 4 4-1 To - Garmin G1000 NAV III Line Maintenance Manual

13. With the Autopilot still engaged and the CWS button pressed, move the control wheel to its aft limit.
14. Release the CWS button and apply continuous forward pressure, slowly moving the control wheel. After 1 or
2 seconds, the trim wheel should begin moving in a trim up direction.
15. Grip the control wheel and press the CWS button. Trim motion should stop.
16. Move the control wheel to the forward limit and release the CWS button.
17. Slowly pull back on the control wheel. After a similar delay, the trim wheel should begin to trim down.
18. Relieve pressure on the wheel and the trim motion should stop. Verify that the trim wheel is free to turn.
19. Hold the control wheel and press the AP DISC switch to disconnect the autopilot.
20. Engage VS mode by pressing the VS key. Verify the PFD display 'VS' in green and indicates a pitch
reference of '0 FPM'.
21. Press the FLC key and verify that "FLC" is annunciated on the PFD in green.
22. Press the ALT key and verify that the "ALT" annunciation is displayed in green on the PFD.
23. Press the FD key and verify that the mode annunciations and command bars are removed from the display.
If no other maintenance is required, continue to Section 5.
Page 4-48
Rev. L
G1000 Nav III Line Maintenance Manual
190-00352-00