TM 55-1520-240-23-4
5-94
ADJUST PITCH LINK
(Continued)
5-94
d.
Have helpers raise blade (1).
e.
Turn turnbuckle (14) toward (-) symbol to
shorten pitch link (8). Turn turnbuckle toward
(+) symbol to lengthen pitch link.
f.
Check that rod ends (10 and 12) are installed
deep enough to close inspection holes (15).
In order to keep from shearing pin
in center of pitch link hold rod end
closest to the nut and loosen.
g.
Hold rod end (10) closest to the nut and
torque checknut (11). Hold rod end (12)
closest to the nut and torque checknut
(13). Torque checknuts to 1050 to 1300
inch-pounds.
h.
Have helpers lower blade (1).
Do not bend cotter pin ends outside
of indicator sleeves. Pitch link boot
can be damaged.
i.
Install two cotter pins (9) through checknuts
(11 and 13) and indicator sleeves (16).
j.
Install lockwire (E231) from sleeve (16)
through hollow pin (17) to prevent movement
of turnbuckle (14) in (+) direction. Cut
lockwire at pin.
INSPECT
5-568