TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND 4-6. Rocker  Arm  Assembly DISASSEMBLY NOTE COOLING   TROUBLESHOOTING and Valve Cover. (Sheet AND  MAINTENANCE. 3 of 9) small  flat  tip  screwdriver,  remove retaining ring (17), 12 rocker arms (18), six brackets (19), five springs (21). 8. Using a hammer, (20) and retaining ring small flat drift punch and remove plugs (22 and 23) from shaft (24). 9. Using a flat tip screwdriver and 9/16”  open  end  wrench,  remove setscrew (25) and nut (26) from rocker arm (18). Take note of the position of the rocker arms to aid in installation. 7. Using internal snap ring pliers or Go to sheet 4 4-53

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