TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(11) If the differences between steps (10) and
(5) or steps (9) and (5) are greater than
two degrees, recalibrate roll stabilization
circuitry to the gyro using the following
procedure:
(a)
Reset the TILT control under the flight
conditions of step (5) with stab on.
Then roll the aircraft 20° right.
(b)
If the pattern shifts to the right around
the
second
range
mark,
slowly
adjust the ROLL TRIM potentiometer
until the terrain band is displayed
throughout the third range marks.
Usually a clockwise adjustment is
required.
2-67
