TM 55-1520-240-23-9
11-57
RIG AFT CABIN AND PYLON LINKAGE
(Continued)
11-57
52.
Working from right work platform, check bolt (80)
of pylon right upper bellcrank (81). Measure and
record distance between center of bolt and deck
(70) of WL 90.75. Distance must be 7.78 to 8.02
inches. If same, go to step 60. If not, perform
steps 53 thru 59, then go to step 60.
53.
Remove cotter pin (82), nut (83), two washers
(84 and 85), and bolt (86) from bellcrank (81).
Disconnect link (87) from bellcrank.
54.
Loosen nut (88) of link (87). Turn rod end (89)
clockwise to move arm (90) of bellcrank (81)
down.
NOTE
One half turn of rod end moves arm
about 0.03 inch.
55.
Position link (87) in bellcrank (81). Install bolt
(86), two washers (85 and 84), and nut (83).
Tighten nut.
56.
Repeat step 52. If distance is same, go to step
57. If not, repeat steps 52 thru 56.
57.
Torque nut (88) of link (87) to 103 inch-pounds.
58.
Torque nut (83) to 60 to 90 inch-pounds. Install
cotter pin (82).
59.
Check bolt (86). 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 58.
11-267
