TM  10-3930-643-34 GENERAL  SUPPORT  BRAKE  MAINTENANCE. 17-1. Power Cluster (S/N 2000 and below and ASSEMBLY 25. 26. 27. 28. 29. 30. 31. Position head (15) on shell (18). Secure head (15) and shell (18) in press. Using a 9/16” socket and socket wrench  handle,  install  eight screws (14). Using a 9/16” open end wrench, install switch (13) and breather (12). Using a 9/16” socket and socket wrench  handle,  install  support  (11), three lock washers (10) and bolts (9). Install lock washer (8) and stroke indicator  (7)  until contact with piston assembly (21) is made. Piston assembly (21) must be in a relaxed position. Measure length of stroke indicator (7) rod extending past nut when piston  assembly  (21)  iS relaxed  in shell (18). 2904 and above). (Sheet 6 of 7) Go to sheet 7 17-7

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