TM 55-1520-240-23-9
11-52
ADJUST FIRST AND SECOND STAGE BELLCRANK CUMULATIVE STOPS
(Continued)
11-52
Bushings must be in bellcranks before
installing bolts; otherwise, damage to
components will result.
NOTE
Impedance bolts are installed in flight
control connections. These bolts are
self-retaining and require a special
nut and torque (Task 1-13).
22.
Untie and position link (28) in bellcrank (27).
Install bolt (26), two washers (25 and 24) and nut
(23). Do not torque nut at this time.
23.
Untie and position link (21) in bellcrank (20).
Install bolt (19), two washers (18 and 17), and
nut (16). Do not torque nut at this time.
24.
Untie and position link (14) in bellcrank (13).
Install bolt (12), two washers (11 and 10), and
nut (9). Do not torque nut at this time.
25.
Untie and position link (7) in bellcrank (6). Install
bolt (5), two washers (4 and 3), and nut (2). Do
not torque nut at this time.
26.
Torque four nuts (2, 9, 16, and 23) to 30 to 45
inch-pounds. Install four cotter pins (1, 8, 15,
and 22). Check four bolts (5, 12, 19, and 26).
Bolts 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.
FOLLOW-ON MAINTENANCE:
Connect forward and aft servocylinder connecting
links (Task 11-193).
Remove servocylinder safety blocks (T31) (Task
11-29).
Perform operational check of flight control system
(TM 55-1520-240-T).
Install forward transmission drip pan (Task 2-3).
Install closet backup panel (Task 2-2).
Install closet acoustic blanket (Task 2-108).
Close forward left work platform (Task 2-2).
END OF TASK
11-228
