TM  10-3930-643-34 BRAKE  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 8-15. Governor  Assembly.  (Sheet  2  of  5) DISASSEMBLY 1. Using internal snap ring pliers, remove cover (1), retaining ring (2) and items 3 thru 9 as an assembly from body (27). 2. Using a 1/2”   socket,  socket wrench handle and flat tip screwdriver, remove nut (3), spring seat (4), spring (5), spring seat (6), guide (7) and spring seat (8) from screw (9). 3. Remove exhaust stem (10) and spring (11) from body (27). 4. Remove items 12 thru 20 as an assembly from body (27). 5. Using a small flat tip screwdriver, remove  and  discard  preformed  packings (12 and 13) from piston (20). 6. Using internal snap ring pliers, remove retaining ring (14), spring (15) and valve (16). 7. Remove retaining ring (17), washer (18) and grommet (19). Discard grommet (19). 8. Using long round nose pliers, remove filters (21 and 22) in body (27). 9. Using a socket head screw key, remove plugs (23 thru 26). Go to sheet 3 8-76