TM 1-1520-238-23
5-148
Change 6
5.31.
MAIN ROTOR PITCH HOUSING AND BLADE – ELECTRICAL LEAD
REMOVAL/INSTALLATION – continued
5.31.6. Installation
a. Lubricate bolt (11). Use lubricant (item 114,
App F).
(1) Allow lubricated bolts 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 electrical lead (5). Torque nut (12) to 375
INCH-POUNDS.
(1) Install bolt (11) through washer (15), lead (5),
washer (14), and blade (10).
(2) Install washer (13) and nut (12) on bolt (11).
(3) Hold bolt (11). Torque nut (12) to 375 INCH-
POUNDS. Use torque wrench.
c. Lubricate bolts (1), (7), and nut (8). Use
lubricant (item 114, App F).
(1) Allow lubricated bolts 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).
d. Install lead (3). Torque bolt (7) to 75 INCH-
POUNDS.
(1) Install lead (3), washer (2), and bolt (1) on
retainer (4).
(2) Install bolt (7), washer (9), leads (3), and (5),
on bracket (6).
(3) Install nut (8).
(4) Hold bolt (7). Torque nut (8) to 75 INCH-
POUNDS. Use torque wrench.
(5) Torque bolt (1) to 75 INCH-POUNDS. Use
torque wrench.
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M04-222-5A
11
15
14
5
13
12
10
6
M04-222-3A
16
8
7
1
2
4
3
5
9
