TM   10-3930-643-20 CHAPTER 6 TRANSMISSION TROUBLESHOOTING AND MAINTENANCE CHAPTER  OVERVIEW The   purpose   of   this   chapter   is   to   help   the   technician   efficiently   troubleshoot and   repair   malfunctioning   equipment   and   to   perform   authorized   organizational maintenance   procedures   on   the   M10A   Forklift   transmission   shifting   components. INDEX T i t le Transmission     Troubleshooting Transmission   Shifting   Components Torque   Converter   High   Pressure   Regulator   Valves Transmission  Oil  Sampling  Valve (S/N  2001  and  above) Transmission   Oil   Filter   and   Strainers Transmission   Breather Paragraph Page 6-1 6-2 6-2 6-3 6-3 6-14 6-4 6-22 6-5 6-26 6-6 6-33 6-1