TM 1-1520-238-23
Change 5
5-263
5.60.
TAIL ROTOR HEAD REMOVAL – continued
WARNING
Tail rotor head weighs approximately
40 pounds. Two persons are needed
for handling. If injury occurs, seek
medical aid.
c. Remove head (2) from tail rotor gearbox out-
put shaft (13).
(1) Remove three nuts (14) and six washers (15)
from studs (16). Use torque wrench adapter.
(2) Discard nuts (14).
(3) Remove head (2) from output shaft (13).
5.60.4. Cleaning
a. Clean drive links, head, output shaft, and sur-
rounding area (para 1.47).
5.60.5. Inspection
a. Check head for damage (para 5.51).
b. Check for corrosion (para 1.49).
c. Check for cracks. None allowed.
d. Check output shaft for wear, nicks, gouges,
scratches, and hole elongations. None al-
lowed.
e. Check studs for damage.
(1) Thread damage. None allowed.
(2) Check for axial scoring/gouging through cad-
mium plating. None allowed.
(3) Check for radial wear marks between 1.5 and
2.0 INCHES outboard of lockring. None al-
lowed.
(4) Check for corrosion between 1.5 and 2.0
INCHES outboard of lockring. None allowed.
f. Check studs for looseness (para 6.132).
g. Check drive links for wear (para 11.232).
END OF TASK
M04-261-3
16
15
14
13
2
