TM 1-1520-238-23
Change 4
6-19
6.3.
MAIN TRANSMISSION INPUT COUPLING REMOVAL/INSTALLATION – continued
6.3.5. Inspection
NOTE
Unless otherwise specified, the following
inspection procedures apply to both main
transmission input coupling and trans-
mission flange.
a. Check for cracks. None allowed.
b. Check for corrosion (para 1.49).
c. Check for nicks, scratches, and gouges (para
6.1).
d. Check transmission flange for elongated bolt
holes (para 6.1).
e. Check input coupling for loose or damaged
nutplates (para 6.1).
6.3.6. Installation
a. Install coupling (1) on flange (2). Torque bolts
(3) to 125 INCH-POUNDS.
(1) Position coupling (1) on flange (2) and aline
bolt holes.
(2) Install five bolts (3) through flange (2) and
coupling (1).
(3) Torque five bolts (3) to 125 INCH-POUNDS.
Use torque wrench adapter and torque
wrench.
(4) Apply corrosion preventive compound to five
bolts (3). Use corrosion preventive compound
(item 62A, App F).
b. Inspect (QA).
c. Install No. 1 and/or No. 2 engine input drive
shaft (para 6.2).
END OF TASK
M04-0431-2
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3
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