TM 55-1520-240-23-9
11-98
INSTALL ROLL IDLER BELLCRANK
(Continued)
11-98
9.
Remove nut (26), two washers (27 and 28), and
bolt (29) from arm (12) of bellcrank (10).
10.
Untie and position spring assembly (30) on
arm (12) of bellcrank (10). Install bolt (29), two
washers (28 and 27), and nut (26). Do not
torque nut at this time. Remove tag from spring
assembly.
11.
Remove nut (31), two washers (32 and 33), and
bolt (34) from lugs (35) of bellcrank (10).
12.
Untie and position damper connecting link (36)
between lugs (35) of bellcrank (10). Install bolt
(34), two washers (33 and 32), and nut (31). Do
not torque nut at this time. Remove tag from link.
13.
Remove nut (37), two washers (38 and 39),
bushing (39.1) and bolt (40) from lug (41) of
bellcrank (10).
14.
Untie and position spring support (42) marked
hole, on bellcrank (10) inboard of lug (41).
Install bolt (40), two washers (39 and 38),
bushing (39.1) and nut (37). Torque nut 15 to 25
inch-pounds. Install cotter pin (43).
15.
Torque four nuts (15, 21, 26, and 31) to 30 to
45 inch-pounds. Install four cotter pins (44, 45,
46, and 47).
16.
Check five bolts (18, 24, 29, 34, and 40).
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 14 or 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
11-515
