TM 55-1520-240-23-9
11-100
INSTALL PITCH IDLER BELLCRANK
(Continued)
11-100
7.
Remove nut (20), two washers (21 and 22), and
bolt (23) from lugs (24) of bellcrank (10).
8.
Position transducer (25) on lug (24) of bellcrank
(10). Install bolt (23), two washers (22 and 21),
and nut (20). Do not torque nut at this time.
Remove tag from transducer.
9.
Remove nut (26), two washers (27 and 28), and
bolt (29) from lugs (30) of bellcrank (10).
10.
Untie and position damper connecting link (31)
between lugs (30) of bellcrank (10). Install bolt
(29), two washers (28 and 27), and nut (26). Do
not torque nut at this time. Remove tag from link.
11.
Remove nut (32), two washers (33 and 34), and
bolt (35) from lug (36) of bellcrank (10).
12.
Untie and position spring support (37) at marked
hole on bellcrank (10), outboard of lug (36).
Install bolt (35), two washers (34 and 33),
bushing (38), and nut (32). Torque nut to 15 to
25 inch-pounds. Install cotter pin (39). Remove
tag from spring support.
13.
Remove nut (40), two washers (41 and 42), and
bolt (43) from arm (44) of bellcrank (10).
14.
Untie and position spring assembly (45) on
arm (44) of bellcrank (10). Install bolt (43), two
washers (42 and 41), and nut (40). Remove tag
from spring.
15.
Torque three nuts (20, 26, and 40) to 30 to 45
inch-pounds. Install three cotter pins (46, 47,
and 48).
16.
Check four bolts (23, 29, 35, and 43). 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
steps 12 and 15.
INSPECT
FOLLOW-ON MAINTENANCE:
Remove servocylinder safety blocks (Task 11-29).
Perform operational check of flight control system
(TM 55-1520-240 T).
Install closet backup panel (Task 2-2).
Install closet acoustic blanket (Task 2-108).
END OF TASK
11-521
