WARNING
TM 1-1510-225-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE RUNUP (CONT)
(f) WxA pushbutton mode selector
switch - Depress and observe that
the magenta areas (if any) are
flashing.
(g) TILT control - Vary manually
between UP 15 degrees and DN
15 degrees and observe that
close-in ground clutter appears at
lower settings and that any local
rain appears at higher setting.
(h) Radar mode selector switch -
TST or STBY before taxi.
*16. Flight control/autopilot system -
Check.
(a) AP XFER switch - Select pilot’s
side.
(b) AP mode selector button (AP) -
Press to engage autopilot.
If unable to overpower the autopilot in any axis,
do not use.
(c) Flight controls - Overpower auto-
pilot in pitch, roll and yaw axis.
(d) Auto trim - Check.
(1) Apply nose up force on con-
trol wheel - Note nose down
trim motion after approxi-
mately 3 seconds.
(2) Apply nose down force on
control wheel - Note nose up
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