TM 55-1520-240-23-9
11-57
RIG AFT CABIN AND PYLON LINKAGE
(Continued)
11-57
36.
Check bolt (56) of pylon right lower bellcrank (57).
Measure and record distance between center of
bolt and deck (58) at WL 72. Distance must be
3.47 to 3.71 inches. If same, go to step 44. If
not, perform steps 37 thru 43, then go to step 44.
37.
Remove cotter pin (59), nut (60), two washers
(61 and 62), and bolt (63) from bellcrank (57).
Disconnect link (64) from bellcrank.
38.
Loosen nut (65) of link (64). Turn rod end (66)
clockwise to move arm (67) of bellcrank (57)
down.
NOTE
One half turn of rod end moves
bellcrank about 0.015 inch.
39.
Position link (64) in bellcrank (57). Install bolt
(63), two washers (62 and 61), and nut (60).
Tighten nut.
40.
Repeat step 36. If distance is same, go to step
41. If not, repeat steps 36 thru 40.
41.
Torque nut (65) of link (64) to 103 inch-pounds.
42.
Torque nut (60) to 60 to 90 inch-pounds. Install
cotter pin (59).
43.
Check bolt (63). 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 42.
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