TM 1-1520-238-23
Change 7
11-1285
11.298. RIGGING HORIZONTAL STABILATOR – continued
e. On pilot aft circuit breaker panel, ensure STAB
MAN DC and STAB MAN AC circuit breakers
are closed.
f. Using stabilator manual control (10) on pilot
collective stick (11), actuate stabilator to full
trailing down ND position.
g. Determine stabilator angle from protractor
assembly (6).
(1) This angle must be 34 to 36 degrees.
(2) If angle is 34 to 36 degrees go to step n.
(3) If angle is not 34 to 36 degrees go to next
step.
h. Remove external power from aircraft (para
1.70).
i. Adjust stabilator actuator (12) to obtain 34 to
36 degrees ND.
(1) Remove actuator (12) from helicopter (para
11.224).
CAUTION
Dimension A, between bottom of nut (13)
and bottom of rod end (14), must not ex-
ceed 0.970 INCH.
NOTE
Adjust both actuator rod ends equally.
Adjust rod ends in 1/2 turn increments.
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ND
NU
RESET
FRICTION
INCREASE
M04-3062-5
10
11
12
6
M04-3062-6A
35º ±
1º
M04-3062-7
DIM •A"
0.970"
MAX
13
14
12
