INSTALL PITCH LINK
General Safety Instructions:
Antiseize compound (E75) can form
toxic vapors if exposed to flame.
Use in well-ventilated area, away
from open flame. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
Pitch links 114R3611-1 and -2 can
be installed only on helicopters
without 45 or with 63 . Pitch links
114R3611-3 and -4 can be installed
only on helicopters with 45 and
without 63 .
Procedure is same to install forward
or aft pitch links. Aft pitch links are
shown in task. The forward rotor
lower pitch link bolts are installed with
the head of bolt going in the opposite
direction of the rotation.
Positive retention bolts are installed in
pitch links. They have a pawl which
prevents nut or bolt removal unless
the pawl is depressed (Task 1-14).
Pitch link is positioned correctly when
markings are above turnbuckle.
Push pitch link (1) up through pitch link boot (2)
until turnbuckle (3) is within narrow part of boot.
During this task, have helpers lift the
rotor blade as required to permit bolt
removal and installation.