TM 1-1520-238-23
Change 9
2-313
2.88A.
TRANSMISSION SUPPORT STRUT BARREL NUT REMOVAL/INSTALLATION TYPICAL
NOTE
This task is typical for barrel nut inspec-
tion and replacement for Transmission
Rotor Support Struts.
2.88A3. Removal
a. Remove self-locking barrel nut (1) and nut
retainer (2) from fuselage support holes (3).
2.88A4. Cleaning
a. Wipe support holes with a clean rag.
2.88A5. Inspection
a. Check barrel nuts for damage. None allowed.
b. Check support holes for cracks (TM
1-1500-204-23).
c. Check support holes for corrosion (para 1.49).
d. Check strut base for damage (TM
1-1520-238-23).
2.88A6. Installation
NOTE
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
for cracks.
a. Apply primer MIL-P-23377 to barrel nut retainer.
NOTE
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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