TM 1-1520-238-23
6-554
6.134.
TAIL ROTOR GEARBOX SHOULDERED SHAFT EXPANSION PLUG REPLACEMENT
(AVIM) – continued
6.134.3. Removal
a. Remove expansion plug (1) from shouldered
shaft (2).
(1) Insert driftpin (3) in shaft (2) from flange end.
Use driftpin and mallet.
(2) Remove and discard plug (1) from shaft (2).
6.134.4. Cleaning
a. Clean removed and attaching parts or sur-
faces (para 1.47).
6.134.5. Inspection
CAUTION
Structural integrity and heat treated con-
dition of tail rotor shouldered shaft is criti-
cal to its serviceability. Any evidence of
material fatigue, intergranular corrosion,
cracking, heat oxidation (discoloration),
or similar defect requires replacement of
part.
a. Check shouldered shaft for serviceability
(para 6.132).
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M04-3880-1
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M04-3880-2
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