TM 55-1520-240-23-6
7-134
INSTALL AFT SWIVELING SERVOCYLINDER
(Continued)
7-134
Make sure slip bushings are installed
in lugs. Otherwise, personal injury,
loss of life, or loss of helicopter can
result.
13.
Check that flanged bushing (28) is installed in
inboard lug (29).
14.
Have helper on work platform support
servocylinder (3). Position mount (30) in lugs
(29).
NOTE
Two washers may be installed under
nut to allow for cotter pin installation.
Install countersunk washers with
countersink against bolthead.
14.1.
Insert slip bushIng (30.1) in outboard lug (29).
14.2.
While holding bushing (30.1) in position, install
bolt (31), with countersunk washer (32) and
washer (32.1) through lugs (29). Install one or
two washers (32.2) and nut (33) on bolt.
15.
Torque nut (33) to 290 to 660 inch-pounds.
Continue tightening only as needed to align cotter
pin hole. Do not exceed 1400 inch-pounds.
Install cotter pins (34).
15.1.
Install inner bushing (37.1) and outer bushing
(37.2) in servocylinder (3).
16.
Position link (35) in lugs (36). Install bolt (37)
with one washer (38) against bushing in lugs.
Install second washer (38) and nut (39).
17.
Torque nut (39) 30 to 45 inch-pounds. Install
cotter pin (40).
18.
Check bolt (37). Bolt 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. Torque and cotter pin nut
again.
19.
Remove block (41) from under swashplate (42).
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