TM 55-1520-240-23-4
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REMOVE AFT SWASHPLATE
(Continued)
5-117
Check bolt (19) for the 5 digit
manufacturers code on the bolt
head. If manufacturers code is
56878 (SPS Technologies) or 84256
(AVIBANK Manufacturing Inc.), the
bolt is serviceable. If manufacturers
code is anything other than 56878 or
84256 or the manufacturers code
cannot be determined, replace bolt.
The five digit code 81996 is not a
manufacturers code.
5.
Remove cotter pins (16), nuts (17), washers (18),
and bolts (19) from actuator (20) and link (21).
Have helper support actuator and link and lower
slowly.
6.
Install guide rope (22).
Swashplate is heavy and can injure
personnel if it drops. Swashplate
must be supported by hoist and
moved carefully to prevent injury to
personnel.
If bearing hits or binds on slider shaft,
bearing surfaces can be damaged.
7.
Lift swashplate (23) from shaft (24). Have helper
lower yoke end of swashplate to clear pylon (25).
Do not let swashplate hit or bind on shaft.
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