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Page Title:
Remove Forward Fuselage Tiedown Fittings |
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 TM 55-1520-238-S
d. Access Covers. Reinstall stabilator ac
c
2-42.6 Install Main Rotor Deice Power Distrib
u
ess covers and tailboom closeout fairing
tor, Air Data System (ADS) Mast, and
(TM 1 1520 238 23).
Stand Pipe.
a. Remove Panel. Remove panel R2000.
2-42.9 Install ADF Wire Antenna, UHF L
B
and, Communications, Transponder Blade
Antennas,and FM AM Whip Antenna
CAUTION
(MWO 1 1520 238 50 37 installed) and Lower
IFF Antenna (MWO 1 1520 238 50 36
Polarized internal 8 gauge deicing
installed). (fig. 2 8).
leads are tagged to indicate proper
a. Install FM AM Whip Antenna. Attach
reconnection. Improperly con
n
lower half of antenna to upper half.
ected leads will cause electrical
Torque antenna upper jam nut to 265
malfunction or equipment dam
a
INCH POUNDS and lockwire (D-27).
ge.
Install antenna in vertical stabilizer
b. Install Stand Pipe, Power Distribu
t
mounting bracket. Torque antenna lower
or, and ADS Mast.
jam nut to 650 INCH POUNDS and
(TM 1 1520 238 23).
lockwire. (D-27).
2-42.7 Remove Forward Fuselage Tiedown
b. Install ADF Wire Antenna. Hook end
Fittings.
of antenna onto standoff terminal spring
a. Remove Main Landing Gear Cross
ends.
Tube Tiedown Fittings. Remove one
nut and washer from cross tube left and
c. Install Blade Antennas. Connect each
right tiedown fitting studs. Pull studs
antenna plug to mating receptacle under
(with pinned nuts in place) from cross
antenna flange. Aline antenna flanges
tube. Slide fittings from cross tube ends.
on fuselage and install six screws at each
Retain removed studs, washers, and
a
location. Seal antenna flanges with seal
nuts (fig. 2 5).
s nt (D-12) applied between edges of rein
l talled antenna flanges and mating fuse
b. Install Cross Tube End Caps. Slide
age skin.
end caps onto left and right ends of each
main landing gear cross tube. Aline holes
d. Install Lower IFF Antenna. Attach
m
in fittings and cross tube, and install re
n
connector plug to antenna. Aline anten
oved studs, washers, and nuts. Torque
a to mounting bracket and install four
D-20nut to 60 70 inch pounds. Install
screws.
new cotter pins (D-20) at unpinned nuts.
2-42.9.1 Install HF Communication Antenna
2-42.8 Install Horizontal Stabilator and Tail
b
(MWO 55 1520 238 50 60 installed) Paragraph
oom Aft Closeout Fairing. (fig. 2 6 and
2 16.14.1.
TM 1 1520 238 23).
a. Remove Stabilator Actuator Sup
p
2-42.10 Install Anti collision Lights. Install
ort. Remove nuts, bolts and washers
left and right anti collision lights
from support end fitting and actuator rod
(TM 1 1520 238 23).
end, and remove actuator support from
2-42.11 Connect Helicopter Battery.
stabilator airframe pivots. Retain rod
TM 1 1520 238 23.
end hardware.
b. Install
Horizontal
Stabilator.
2-42.12 Inspect Helicopter. Perform 10 hour/14
(TM 1 1520 238 23.. Use new cotter pin
day inspection (TM 1 1520 238 PMS).
(D-16) for nut on pivot bolt and one
2-42.13 Perform Maintenance Operational
(D-19) for nut on stabilator actuator rod
Checks as Required for Removed Components/
end bolt.
Mission Equipment. TM 1 1520 238 23.
c. Static Wicks. Loosen one screw and re
m
t ove the other screw for each wick. Ro
2-42.14 Refuel Helicopter.
tate the wick to parallel with the stabila
TM 1 1520 238 23. Use fuel truck (item 12, table
or chord. Tighten screws.
2-2).
Change 8
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