TM 55-1520-240-23-9
11-57
RIG AFT CABIN AND PYLON LINKAGE
(Continued)
11-57
20.
Working in cabin, check bolt (39) of aft cabin left
bellcrank (40). Measure and record distance
between center of bolt and bulkhead (41) at sta.
482. Distance must be 3.96 to 4.08 inches. If
same, go to step 28. If not, perform steps 21 thru
27, then go to step 28.
21.
Remove cotter pin (42), nut (43), two washers
(44 and 45), and bolt (39) from bellcrank (40).
Disconnect link (46) from bellcrank.
22.
Loosen nut (47) of link (46). Turn rod end (48)
clockwise to move bellcrank (40) forward.
NOTE
One half turn of rod end moves
bellcrank about 0.02 inch.
23.
Position link (46) in bellcrank (40). Install bolt
(39), two washers (45 and 44), and nut (43).
Tighten nut.
24.
Repeat step 20. If distance is same, go to step
25. If not, repeat steps 20 thru 24.
25.
Torque nut (47) of link (46) to 103 inch-pounds.
26.
Torque nut (43) to 60 to 90 inch-pounds. Install
cotter pin (42).
27.
Check bolt (39). 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 26.
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