TM 1-1520-238-23
6-86
6.15.
TAIL ROTOR GEARBOX INPUT COUPLING REMOVAL/INSTALLATION – continued
6.15.3. Removal
CAUTION
To prevent damage to the tail rotor drive
shaft, secure tail rotor before removing
tail rotor gearbox input coupling.
a. Remove tail rotor gearbox input coupling (1).
(1) Remove five bolts (2) attaching coupling (1)
upper flange (3) to tail rotor gearbox input
flange (4).
(2) Remove five bolts (5) attaching coupling (1)
lower flange (6) to No. 6 tail rotor drive
shaft (7).
(3) Push coupling (1) down on shaft (7).
(4) Remove coupling (1).
b. Remove anti-flail bearing sleeves (8) and (9)
from coupling (1).
(1) Remove nut (10).
(2) Remove washer (11), sleeves (8) and (9),
and washer (12) from bolt (13).
(3) Remove bolt (13) from coupling (1).
6.15.4. Cleaning
a. Clean removed and attaching parts or sur-
faces (para 1.47).
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M04-0455-1
M04-0455-2
2
5
4
1
7
6
3
M04-0455-3
13
12
10
11
1
8
9
