Elevator trim follow-up Check as follows:
a. Control wheel Move aft of mid-travel. Trim
wheel should run nose down after approxi-
mately 3 seconds. TRIM DN annunciator
(autopilot controller) should illuminate after
approximately 6 to 8 seconds and AP TRIM
annunciator (instrument panel) should illu-
minate after approximately 15 seconds.
b. Control wheel Move forward of mid-trav-
el. Trim wheel should run nose up after
approximately 3 seconds. TRIM UP annun-
ciator (autopilot controller) should illumi-
nate after approximately 6 to 8 seconds,
and AP TRIM annunciator (instrument pan-
el) should illuminate after approximately 15
AP & YD/TRIM DISC switch (control wheel)
Depress to first level. Check that autopilot and
yaw damper disengage, AP ENGAGE and YD
ENGAGE switch-indicators on the autopilot
controller and remote annunciators above the
EADIs flash 5 times.
Control wheel Hold to mid-travel.
AP ENGAGE SWITCH RE-ENGAGE.
Turn knob Check that elevator control trim
wheel follows in each applied direction, then
10. Pitch wheel Check that trim responds to pitch
wheel movements. (UP TRIM and DN TRIM
annunciators may illuminate).
11. Heading marker Center and engage HDG.
Check that control wheel follows a turn in each