Garmin Cessna Caravan G1000, System Maintenance Manual

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Page 4-26 G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 1 190-00716-01
13. Disconnect the autopilot by pressing the AP DISC button.
14. Hold the control yoke in the forward position and center the pitch trim wheel.
15. Engage the autopilot, maintain the control yoke in the forward position and keep the pitch-trim wheel
from rotating for approximately five seconds.
16. Quickly release the trim wheel and verify that the red PTRM annunciator is displayed on both PFD 1
and PFD 2.
17. Disengage the autopilot and use the pitch-trim switch (or the pitch-trim wheel) to trim full down.
18. Hold the control yoke in the full forward position.
19. Engage the autopilot, apply firm aft pressure on the control yoke for approximately 10 seconds,
allowing the pitch-trim wheel to move freely. Verify that the amber
ELE ↓ annunciator is displayed
on both PFD 1 and PFD 2.
20. Disengage the autopilot and use the pitch-trim switch (or the pitch-trim wheel) to trim full up.
21. Move the control yoke to the full aft position and hold.
22. Press the Go Around button on the throttle and engage the autopilot. Apply firm forward pressure on
the control yoke for approximately 10 seconds, allowing the pitch-trim wheel to move freely. Verify
that the amber
ELE ↑ annunciator is displayed on both PFD 1 and PFD 2.
23. Disengage the autopilot.
NOTE
If the ELE annunciation appears during any of the following steps, reset the trim wheel
and repeat the test step.
24. Use the pitch-trim switch (or the pitch-trim wheel) to trim full down.
25. Hold the elevator in the neutral position, press the HDG and ALT buttons on the mode controller and
center the heading bug.
26. Engage the autopilot and turn the heading knob to set the heading bug to the right of center. Hold the
control yoke centered for approximately 10 seconds. Verify that the amber
AIL → annunciator is
displayed on both PFD 1 and PFD 2.
27. Turn the heading knob to set the heading bug to the left of center. Hold the control yoke centered for
approximately 10 seconds. Verify that the amber
← AIL annunciator is displayed on both PFD 1 and
PFD 2.
28. Disengage the autopilot and clear all modes.
29. Ensure the aircraft is on the ground and the nose wheel is approximately straight.
30. Engage the yaw damper and apply firm load on the right rudder pedal for approximately 20 seconds.
31. Verify that the amber ← RUD annunciator is displayed on both PFD 1 and PFD 2.
32. Apply firm load on the left rudder pedal for approximately 20 seconds.
33. Verify that the amber RUD → annunciator is displayed on both PFD 1 and PFD 2.
34. Disengage autopilot.
35. The Trim Annunciator Check is complete.