TM 1-1520-238-23
6-79
6.13.
INTERMEDIATE GEARBOX OUTPUT COUPLING REMOVAL/INSTALLATION – continued
6.13.5. Inspection
NOTE
Unless otherwise specified, the following
inspection procedures apply to the inter-
mediate gearbox output coupling, antiflail
bearing sleeves, intermediate gearbox
output flange, and lower end of No. 6 tail
rotor drive shaft.
a. Check for cracks. None allowed.
b. Check for corrosion (para 1.49).
c. Check for nicks and scratches (para 6.1).
d. Check lower end of No. 6 tail rotor drive shaft
for dents (para 6.1).
e. Check intermediate gearbox output coupling
and intermediate gearbox output flange for
elongated bolt holes (para 6.1).
f. Check intermediate gearbox output coupling
and lower end of No. 6 tail rotor drive shaft for
loose or damaged nutplates (para 6.1).
6.13.6. Installation
a. Install bearing sleeves (9) and (8) in coupling
(1). Torque nut (10) to 35 INCH-POUNDS.
(1) Install bolt (13) in coupling (1).
(2) Install washer (12), bearing sleeves (9) and
(8), and washer (11) on bolt (13).
(3) Hand tighten nut (10) on bolt (13).
(4) Torque nut (10) to 35 INCH-POUNDS. Use
torque wrench.
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M04-0451-6
