TRANSMISSION SUPPORT STRUT BARREL NUT REMOVAL/INSTALLATION TYPICAL
This task is typical for barrel nut inspec-
tion and replacement for Transmission
Rotor Support Struts.
a. Remove self-locking barrel nut (1) and nut
retainer (2) from fuselage support holes (3).
a. Wipe support holes with a clean rag.
a. Check barrel nuts for damage. None allowed.
b. Check support holes for cracks (TM
c. Check support holes for corrosion (para 1.49).
d. Check strut base for damage (TM
A barrel nut may be reused only if the
run-on torque exceeds 50 inch pounds,
nut is inspected for elongation and thread
damage and a nondestructive inspection
a. Apply primer MIL-P-23377 to barrel nut retainer.
A retainer is required only for the
HS5813-12 nut. The 7-311113224 nut
does not require a retainer.
b. Apply anti-seize to barrel nut.
c. Install barrel nut and retainer (if required) in
suport holes. Lightly tap in place.
END OF TASK
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