TM 55-1520-240-23-9
11-53
RIG FORWARD UPPER BELLCRANKS (Continued)
11-53
4.
Check bolt (14) of left bellcrank (15). Measure
and record distance between center of bolt and
fitting (15.1). Distance must be 1.31 ±0.06
inches. If within limit, go to step 12. If not,
perform steps 5 thru 11, then go to step 12.
5.
Remove cotter pin (16), nut (17), two washers
(18 and 19), and bolt (20) from bellcrank (21).
Disconnect link (22) from bellcrank.
6.
Loosen nut (23) of link (22). Turn rod end (24)
clockwise to move bolt (14) aft.
NOTE
One-half turn of rod end moves bolt
about 0.02 inch.
7.
Position link (22) in bellcrank (21). Install bolt
(20), two washers (19 and 18), and nut (17).
Tighten nut.
8.
Repeat step 4. If distance is within limit, go to
step 9. If not, repeat steps 5 thru 8.
9.
Torque nut (23) of link (22) to 103 inch-pounds.
10.
Torque nut (17) to 60 to 90 inch-pounds. Install
cotter pin (16).
11.
Check bolt (20). Bolt shall not rotate with torque
less than 10 inch-pounds. There shall be no
axial looseness. If bolt rotates or is loose, add
washer under nut and repeat step 10.
11-236
Change 1