TM 1-1520-238-23
Change 4
6-67
6.11.
NO. 5 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT
REMOVAL/INSTALLATION – continued
CAUTION
When installing No. 5 tail rotor drive shaft
to intermediate gearbox input coupling
flange and aft hanger bearing flange, en-
sure that bolts are installed through 0.250
INCH bolt holes on intermediate gearbox
input coupling flange and aft hanger
bearing flange. Do not install bolts
through any of 0.500 INCH lightening
holes. Installation of bolts through light-
ening holes will result in failure of drive
shaft and/or intermediate gearbox input
coupling.
d. Install shaft (10) on coupling flange (13).
Torque five bolts (14) to 125 INCH-POUNDS.
(1) Aline bolt holes on aft end of shaft (10) with
bolt holes on coupling flange (13).
(2) Install five bolts (14) through coupling flange
(13) and shaft (10).
(3) Torque five bolts (14) to 125 INCH-POUNDS.
Use torque wrench.
(4) Apply corrosion preventive compound to five
bolts (14). Use corrosion preventive
compound (item 62A, App F).
e. Install shaft (10) on bearing flange (11). Torque
five bolts (12) to 125 INCH-POUNDS.
(1) Aline bolt holes on forward end of shaft (10)
with bolt holes on bearing flange (11).
(2) Install five bolts (12) through bearing flange
(11) and shaft (10).
(3) Torque five bolts (12) to 125 INCH-POUNDS.
Use torque wrench.
(4) Apply corrosion preventive compound to five
bolts (12). Use corrosion preventive
compound (item 62A, App F).
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M04-0447-20
M04-0447-19
12
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