TM 55-1520-240-23-4
5-133
INSTALL AFT SWASHPLATE (Continued)
5-133
WARNING
Swashplate is heavy and can injure
personnel if it drops. Swashplate
must be supported by hoist and
moved carefully to prevent injury to
personnel.
CAUTION
If bearing hits or binds on slider shaft,
bearing surfaces can be damaged.
4.
Lift swashplate (2) and guide ball spherical
bearing (8) onto slider shaft (9). Have helper
lower yoke end of swashplate to clear pylon (10).
Guide lugs (11) onto two actuating cylinder lugs
(12).
4.1.
Perform ball spherical bearing friction check
(Task 5-114), spherical ball/spherical ball bearing
axial play check (Task 5-114.1) and swashplate
bearing friction check (Task 5-115).
CAUTION
Check bolt (16) for the 5 digit
manufacturer’s code on the bolt
head. If manufacturer’s code is
56878 (SPS Technologies) or 84256
(AVIBANK Manufacturing Inc.), the
bolt is serviceable. If manufacturer’s
code is anything other than the 56878
or 84256 or the manufactuer’s code
cannot be determined, replace bolt.
The five digit code 81966 is not the
manufactuer’s code.
4.2.
Coat bushing OD and bolt shank with antiseize
compound (E75). Do not get antiseize compound
on bolt threads.
5.
Have helper lift actuator (13) and link (14) and
position in swashplate stationary ring (15). Install
two bolts (16) with head to head. Install two
washers (17) and nuts (18). Torque nuts to
660-780 inch-pounds. Do not exceed 1400
inch-pounds for cotter pin alignment. Install two
cotter pins (19).
Change 2
5-731
