TM 55-1520-240-23-5
6-50
ASSEMBLE FORWARD TRANSMISSION PACKAGE
(Continued)
6-50
INSTALL COVER, LINKS, AND DRIVE ARMS
Dry cleaning solvent (E162) is
flammable and toxic. It can irritate
skin and cause burns. Use only in
well-ventilated area, away from heat
and open flame. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
34.1.
Clean splines (67.1 and 67.2) of drive collar
(67.3) and shaft (67.4). Use solvent (E162) and
cloths (E120).
34.2.
Apply a thick coat of grease (E190) to splines
(67.1 and 67.2). Use brush (E86). Make sure
splines are full of grease.
If arm hits slider shaft, shaft can be
damaged.
35.
Have two helpers lower cover (68), with lower
drive arm (69) and three links (70) attached, over
rotor shaft (71). Do not let drive arm hit slider
shaft (54).
36.
Position drive arm (69) in swashplate lug (72)
marked FWD ROTOR. Position three links (70)
in lugs (73).
37.
Install each of three links (70) as follows:
a.
Coat bushing of bolt (74) with antiseize
compound (E75). Do not coat thread.
b.
Install limiter (75) between link (70) and lug
(73), flat side against lug.
c.
Install bolt (74), washer (76), and nut (77).
Torque nut to 400 to 660 inch-pounds.
Install cotter pin (78).
38.
Check that bushing (79) is installed in lug (72).
39.
Install bolt (80), thin washer (81), washer (62) and
nut (83). Torque bolt to 190 to 270 inch-pounds
as needed for cotter pin alignments.
6-188