TM 1-1520-238-23
Change 8
6-35
6.7.
FORWARD HANGER BEARING AND SUPPORT REMOVAL/INSTALLATION – continued
CAUTION
When installing hanger bearing to hanger
bearing coupling, ensure that bolts are
installed through 0.250 INCH bolt holes
on hanger bearing aft flange. Do not
install bolts through any of 0.500 INCH
lightening holes. Installation of bolts
through lightening holes will result in fail-
ure of hanger bearing, coupling and drive
shaft.
b. Install bearing (1) on coupling (2). Torque
bolts (3) to 125 INCH-POUNDS.
(1) Install five bolts (3) through bearing (1) aft
flange in coupling (2).
(2) Torque five bolts (3) to 125 INCH-POUNDS.
Use torque wrench adapter and torque
wrench.
(3) Apply corrosion preventive compound to
bolts (3). Use corrosion preventive compound
(item 62A, App F).
c. Inspect (QA).
d. Install No. 3 tail rotor drive shaft (para 6.5).
END OF TASK
2
1
3
M04-437-4
