TM 1-1520-238-23
Change 9
2-323
2.90.
AFT LEFT CENTER TRANSMISSION ROTOR SUPPORT STRUT ASSEMBLY
REMOVAL/INSTALLATION
2.90.5. Inspection
a. Check strut and base for damage and corro-
sion (para 2.11).
b. Check nuts and bolts for stripped threads.
None allowed.
c. Inspect barrel nut with a 10X magnifier for
elongation, thread damage, cracks and corro-
sion.
d. Check five strut bushing bores.
(1) Check for scoring, nicks, and scratches.
Scoring, nicks, and scratches are acceptable
if less than 0.020 INCH deep.
(2) Check two strut support bushing bores. Maxi-
mum I.D. 0.7520 INCH.
(3) Check deck bushing bore and mast support
bushing bores (two places). Maximum I.D.
0.7540 INCH.
2.90.6. Installation
a. Install strut (2) on base (29) and strut (30).
Torque nut (33) 3360 to 3640 INCH-POUNDS.
(1) Aline strut (2) on base (29) and strut (30). Use
driftpin.
(2) Install bolt (32) through washer (35), struts
(2), base (29), and strut (30).
NOTE
Nut may be reused if run-on torque ex-
ceeds 50 INCH-POUNDS.
(3) Ensure nut (33) run-on torque exceeds 50
INCH-POUNDS. Use torque wrench.
(4) Install washer (34) and nut (33) on bolt (29)
finger tight. Use ratchet and 5-inch extension.
GO TO NEXT PAGE
30
35
33
32
2
29
M04-1464-12
34
