TM 10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE. 15-3. Transmission Assembly. (Sheet 5 of 26) DISASSEMBLY 19. 20. 21. 22. 23. 24. Using a 9/16" socket wrench  handle,  remove lock washers (29) and and socket six bolts (28), housing  (30). Remove two bearings (31), spacer (32), washer (33), thrust bearing (34) and thrust washer (35) from upper  countershaft. Using a 1-7/16" socket and socket wrench  handle, remove nut (36), washer (37) and preformed packing (38). Discard preformed packing (38). Remove  yoke  (39),  deflector  (40)  and seal (41). Discard seal (41). Using a 3/4"   socket and socket wrench handle, remove six bolts (42) and retainer (43). Using a scribe, remove preformed packing (44) and bearings (45 and 46). Discard  preformed  packing  (44). Go to sheet 6 15-27