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FORWARD HANGER BEARING COUPLING REMOVAL/INSTALLATION – continued | Up
TM-1-1520-238-23-4 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
FORWARD HANGER BEARING COUPLING REMOVAL/INSTALLATION – continued |
TM 1-1520-238-23
6-30
6.6.
FORWARD HANGER BEARING COUPLING REMOVAL/INSTALLATION – continued
6.6.5. Inspection
NOTE
Unless otherwise specified, following in-
spection procedures apply to hanger
bearing coupling, antiflail bearing sleeves,
hanger bearing output flange, and forward
end of No. 4 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 forward end of No. 4 tail rotor drive
shaft for dents (para 6.1).
e. Check hanger bearing coupling and hanger
bearing output flange for elongated bolt
holes (para 6.1).
f. Check hanger bearing output flange for
grease leakage (para 6.1).
g. Check hanger bearing coupling and forward
end of No. 4 tail rotor drive shaft for loose or
damaged nutplates (para 6.1).
6.6.6. 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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M04-0439-5
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