TM  10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE.  (cont) 15-7. Transmission Control Valve. (Sheet 7 of 9) ASSEMBLY  (cont) 26. Using snap ring pliers, install retaining ring (26). 27. Install  new  preformed  packing  (25)  in plug (20). NOTE l Install correct plug on each plunger. Range plunger with holes bored in lands uses longer plug. l Secure eye end of plunger in soft jawed vise with plunger in vertical  position. 28. Using  a  flat  tip  screwdriver,  install plug (24) in plunger (27). 29. Install spring (23) and cam (22). 30. Hold four balls (21) in position in plunger (27) with one hand. 31. Position plug (20) on end of plunger (27). 32. Push down over balls (21) with quick downward  movement. 33. Lubricate items 27 thru 20 as an assembly in housing (32) with clean transmission oil and install into valve bore. 34. Using an 1-7/16” open end wrench, tighten plug (20). Go to sheet 8 15-92

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