TM 55-1510-221-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
in each applied direction, then center
(11)
Pitch wheel -Check that trim
responds to pitch wheel movement
(UP TRIM and DN TRIM
annunciators may illuminate )
(12)
Heading marker Center and engage
HDG Check that control follows a
turn in each direction.
(13)
Disengage autopilot by selecting GA
Check that autopilot disengages
and flight director commands 7.nose
up, wings level attitude
*7
Electric elevator trim Check
a.
Elevator trim switch ON
b. Pilot and copilot trim switches
Check operation.
2-25
