TM 1-1520-238-23
5-220
5.48.
MAIN ROTOR ELECTRICAL BRUSH, ELECTRICAL HOLDER, AND PITCH WEB ELECTRICAL
LEAD REMOVAL/INSTALLATION – continued
5.48.6. Installation
a. Lubricate threads of bolts and nuts. Use
lubricant (item 114, App F).
(1) Allow lubricated hardware to cure for 6
HOURS at room temperature, or air dry for 30
MINUTES and then cure for 30 MINUTES at
150 F (66 C).
b. Install two leads (10) and (5) on pitch web (11).
(1) Route one end of lead (5) down through main
rotor head (16) and to left of feathering bear-
ing (17).
(2) Install bolt (12) through washer (15), leads (5)
and (10), and pitch web (11).
(3) Install washer (14) and nut (13) on bolt (12).
(4) Apply sealant to bolt (12) and nut (13) mount-
ing area. Use sealing compound (item 175,
App F).
c. Bond lead (5) to pitch web (11). Use adhesive
(item 3, App F).
(1) Press lead (5) firmly into adhesive.
(2) Allow adhesive to cure for 24 HOURS at room
temperature.
d. Check lead (5) after cure for loose mounting.
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17
16
M04-216-7
13
14
11
5
10
12
15
17
BONDING
M04-216-8
11
5
