TM 1-1520-238-23
6-508
Change 5
6.123.
INTERMEDIATE GEARBOX INPUT FLANGE AND OUTPUT SHOULDERED SHAFT EXPANSION
PLUG REPLACEMENT (AVIM) – continued
6.123.3. Removal
a. Remove expansion plug (1) from flange/shaft
(2).
(1) Insert driftpin (3) in flange/shaft (2) from
flange end. Use driftpin and mallet.
(2) Remove and discard plug (1) from flange/
shaft (2).
6.123.4. Cleaning
a. Clean removed and attaching parts or sur-
faces (para 1.47).
6.123.5. Inspection
CAUTION
Structural integrity and heat treated con-
dition of intermediate gearbox input
flange and output shouldered shaft is crit-
ical to its serviceability. Any evidence of
material fatigue, intergranular corrosion,
cracking, heat oxidation (discoloration) or
similar defect requires replacement of
part.
a. Check removed and attaching parts for corro-
sion (para 1.49).
b. Check flange for serviceability (para 6.121).
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