TM 55-1520-240-23-9
11-180
REMOVE PITCH OR ROLL INTERMEDIATE BELLCRANKS
11-180
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
None
Personnel Required:
Medium Helicopter Repairer
References:
TM 1-1520-253-23
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Servocylinder Safety Blocks (T31) Installed (Task
11-28)
Closet Aft Acoustic Blanket Removed (Task 2-107)
NOTE
Procedure is same to remove pitch
or roll intermediate bellcranks. Roll
bellcrank is shown here.
Attaching bolts, washers, and nuts
will be temporarily installed during
removal of bellcrank.
NOTE
If a crack in connecting links,
bellcranks, or supports is suspected
during removal, refer to TM
1-1520-253-23.
1.
Remove cotter pin (1), nut (2), two washers
(3), and bolt (4) from roll intermediate outboard
bellcrank (5). Disconnect link (6) from bellcrank.
2.
Install bolt (4), two washers (3), and nut (2)
loosely in link (6).
3.
Remove cotter pin (7), nut (8), two washers (9),
and bolt (10) from bellcrank (5). Disconnect link
(11) from bellcrank.
4.
Install bolt (10), two washers (9), and nut (8)
loosely in link (11).
5.
Remove cotter pin (12), nut (13), and washer
(14) from bolt (15) in support (16). Slide bolt
through hole (17) in structure (18) until bellcrank
(5) is released from support. Remove bellcrank.
6.
Install bolt (15), two washers (14), and nut (13)
loosely in support (16).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
11-716
