MAIN TRANSMISSION INPUT COUPLING REMOVAL/INSTALLATION

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 1 3 2