TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(i)
Turn Knob - Check that elevator control
trim wheel follows in each applied direction,
then center.
(j)
Pitch wheel - Check that trim responds to
pitch wheel movements. (UP TRIM and
DN TRIM annunciators may illuminate.)
(k)
Heading marker - Center and engage HDG
Check that control wheel follows a turn in
each direction.
(l)
GO AROUND button (left power lever) -
Depress. Check that AP disengages and
FD commands a wings level, 7 degrees
nose up attitude. Check GA annunciators
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.
(m)
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
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