TM 55-1520-240-23-10
13-40
REMOVE BUTTERFLY VALVE OR AIR OUTLET FLAP
(Continued)
13-40
3.
Remove three rivets (7) from butterfly valve (8)
and shaft (6).
4.
Remove butterfly valve (8), and shaft (6) from
duct (9). Remove cotter pin (10) and washer (11)
from shaft (6).
5.
Remove cotter pin (12), washer (13), stud (14),
and spacer (15) from lever (4).
6.
Remove nut (16) and washer (17) from stud (14).
REMOVE AIR OUTLET FLAP
7.
Remove lockwire and two screws (18).
8.
Remove air outlet flap (19) from duct (20).
9.
Remove nut (21), screw (22), and two collars
(23) from arm (24).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
13-132
