TM 1-1520-238-23
6-26
6.5.
NO. 3 TAIL ROTOR DRIVE SHAFT REMOVAL/INSTALLATION – continued
6.5.4. Cleaning
a. Clean removed and attaching parts or surfaces (para 1.47).
6.5.5. Inspection
NOTE
Unless otherwise specified, following inspection procedures apply to No. 3 tail rotor drive shaft, main
transmission output coupling flange, and forward hanger bearing flange.
a. Check for cracks. None allowed.
b. Check for corrosion (para 1.49).
c. Check for nicks and scratches (para 6.1).
d. Check drive shaft for dents (para 6.1).
e. Check drive shaft for loose or damaged nutplates (para 6.1).
f. Check forward hanger bearing flange for grease leakage (para 6.1).
g. Check main transmission output coupling flange and forward hanger bearing flange for elongated bolt
holes (para 6.1).
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