BRAKE 8-9. TROUBLESHOOTING Treadle  Two-Way ASSEMBLY AND  MAINTENANCE. Valve (S/N 2000 7. Install new gasket (4) on cap (2). 8. Install retainer and seat assembly (3) in body (5). 9. Using a 3/4”   socket,  socket wrench handle  and  torque  wrench,  install  cap (2). Tighten cap (2) to 45 lb-ft. 10. Using a 3/4”   socket and socket wrench handle, install plug (l). NOTE Return M10A Forklift to original equipment  condition. TM  10-3930-643-34 and below). (Sheet 3 of 3) END OF TASK 8-39