TM 1-1510-224-CL
level, 7 degrees nose up attitude. Check
GA
annunciator on EADI illuminates. Yaw damper should
automatically
engage
and
YD
ENGAGE
switch-
annunciator should be illuminated on the autopilot
controller and the remote annunciators above the EADI's
should be illuminated.
13.
RUDDER
BOOST/YAW
CONTROL
TEST
switch
(pedestal extension) - TEST. Check the RUDDER
BOOST annunciator above the EADI's illuminates, yaw
damper disengages, YD ENGAGE switch-indicator on
the autopilot controller extinguishes, and the
YD
ENGAGE remote annunciators above the EADI's flash 5
times
WARNING
If the SBY annunciator on the flight director
mode selector does not illuminate within 10
seconds after the avionics master switch is
turned on, the autopilot has failed self-test
and is considered inoperative and should not
be used.
CAUTION
Do not force the elevator trim system beyond
the limits which are indicated on the
ELEVATOR trim tab indicator.
14.
YD ENGAGE pushbutton switch-indicator (autopilot
controller) - Depress while holding rudder boost/yaw
control test switch in TEST. Yaw damper should not
engage.
15.
RUDDER BOOST/YAW CONTROL TEST switch -
RUDDER
BOOST.
Check
RUDDER
BOOST
annunciator extinguished.
16.
Electric elevator trim - Check.
a.
ELEV TRIM switch - On.
b.
Pilot and copilot trim switches - Check operation.
P-7
