TM 1-1520-238-23
Change 1
5-256.3
5.57A.
TAIL ROTOR HUB ASSEMBLY REMOVAL/INSTALLATION (AVIM) – continued
c. Place hub (6) in V-blocks (16).
(1) Place two V-blocks (16) on a flat, smooth,
level surface. Use V-blocks.
(2) Remove four thumb screws (17) and two
clamps (18) from V-blocks (16).
(3) Place hub (6) in V-blocks (16) alining two in-
board bearing collars (19) with V-blocks (16).
(4) Install four thumb screws (17) through two
clamps (18) and in two V-blocks (16).
(5) Hand tighten four thumb screws (17) until
clamps (18) secure hub (6).
d. Remove threaded bushings (20) from hub (6).
Use torque adapters supplied in centering kit.
CAUTION
To prevent internal hub and strap pack
edge damage, remove strap pack care-
fully.
e. Remove strap pack (10) from hub (6).
(1) Apply one wrap of tape to cover either ex-
posed end of strap pack (10). Use tape
(item 203, App F).
(2) Remove strap pack (10) from hub (6) pulling
taped end of strap pack (10) through hub (6).
(3) Remove four thumb screws (17) and two
clamps (18) from V-blocks (16).
(4) Remove hub (6) from V-blocks (16).
5.57A.4. Cleaning
a. Clean fork, strap pack, hub, and threaded
bushings (para 1.47).
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M04-3245-2
20
17
20
19
16
18
6
M04-3245-17
6
10
