TM  10-3930-643-34 BRAKE  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 8-3. Parking Brake Air Cylinder. (Sheet 5 of 5) ASSEMBLY 15. 16. 17. 18. 19. 20. 21. 22• 23. 24. 25. Lubricate inner diameters of new bushing (16) and new ring (15) with clean grease and install. Lubricate inner diameter of air cylinder (1) with clean grease. Install new ring (14) and new felt (13) in piston (12). Using a 7/8”   open  end  wrench,  install shaft (9) with nuts (11 and 10) in piston (12). Install piston (12) to air cylinder (l). Using a 7/8”   open  end  wrench,  install nuts (8 and 7). Using  a  flat  tip  screwdriver,  install plate (6) and four screws (5) to plate (4). Position plate (4) and spring (3) on air cylinder (l). Position air cylinder (1) in press and compress spring (3). Using a 1/2”   socket  and  socket  wrench handle,    install eight screws (2). Remove  air  cylinder NOTE Return  M1OA  Forklift equipment  condition. (1) from press. to  original END OF TASK 8-10