TM 9-2520-272-34&P 4-21. ASSEMBLE RIGHT END COVER ASSEMBLY (SHEET 21 OF 22) TASK 8.   INSTALL RH OUTPUT FLANGE COMMON TOOLS: Adapter, 3/4 to 1/2 inch Bar, pry Crowfoot, 1/2 inch square drive, 2 inches Extension, socket wrench, 1/2 inch square drive, 10 inch Hammer, hand, ball penn Handle, socket wrench, 1/2 inch square drive Handle, socket wrench, 3/4 inch square drive Punch, center, tapered Socket, socket wrench, 1/2 inch square drive, 3/4 inch Socket, socket wrench, 3/4 inch square drive, 1-7/8 inches Wrench, combination, 1-7/8 inches Wrench, torque, 0-175 ft-lb Wrench, Combination 1-5/8 inches REPAIR PARTS: Packing, preformed (96906) MS28778-20 Washer, tab type (73342) 6752556 SUPPLIES: Bolt, 1/2-20 x 3 inch (2 required) Petrolatum (Item 14, Appendix C) Rag, wiping (Item 15, Appendix C) PRELIMINARY PROCEDURE: RH output shaft and seal installed.   Refer to this paragraph, TASK 1. NOTE Right end cover assembly turned outside up. 1 X200-4 Install new packing (1) onto elbow (adapter) (2).   Lubricate packing (1) with petrolatum. 2 X200-4    Using    1-7/8    inch    socket,    install    elbow (adapter) (2) into right end cover assembly (3). 3 X200-4  Using  3/4  to   1/2   inch   adapter   and   torque wrench, tighten elbow (adapter) (2) to 127 - 140 lb-ft (172 - 190 Nm). 4 X200-4  Using  combination  wrench,  install  elbow  (4) into elbow (adapter) (2). Go to Sheet 22 4-146   Change 2 Para.   4-21, Task 8