TM 1-1520-238-23
Change 4
5-255
5.57.
TAIL ROTOR BLADE BALANCE WEIGHT REMOVAL/INSTALLATION – continued
a. Install leading edge weights (4). Torque bolts
(5) to 90 INCH-POUNDS.
(1) Position and hold weights (4) in leading edge
mount point (10).
(2) Coat two bolt (5) threads, shank, bottom of
head, and two washers (6) with primer. Use
epoxy primer coating kit (item 78, App F).
(3) While primer is wet, install two washers (6)
and two bolts (5). Torque bolts (5) to 90 INCH-
POUNDS. Use torque wrench.
(4) Apply primer over weights (4) and bolt heads
(5). Use epoxy primer coating kit (item 78,
App F).
b. Install trailing edge weights (7). Torque bolts
(8) to 90 INCH-POUNDS.
(1) Position and hold weights (7) in trailing edge
mount point (11).
(2) Coat two bolt (8) threads, shank, bottom of
head, and two washers (9) with primer. Use
epoxy primer coating kit (item 78, App F).
(3) While primer is wet, install two washers (9)
and two bolts (8). Torque bolts (8) to 90 INCH-
POUNDS. Use torque wrench.
(4) Apply primer over weights (7) and bolt heads
(8). Use epoxy primer coating kit (item 78,
App F).
c. Inspect (QA).
d. Record amount of weights (4) and (7) installed
and blade identification on tail rotor balance
chart (TM 1-1520-238-T).
e. Inspect (QA).
f. Install tip cap (1) on blade (2).
(1) Position tip cap (1) on blade (2).
(2) Install three screws (3).
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M04-3079-3
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