TM  10-3930-643-34 CHAPTER  12 HYDRAULIC  SYSTEM 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  direct support level  maintenance  procedures  on  the  M10A  Forklift  hydraulic  system. INDEX Title Hydraulic  System  Troubleshooting Hydraulic  Pump Loader Control Valve Inlet  Valve  Assembly Fork  Valve  Assembly Tilt  Valve  Assembly Boom Assembly Valve Fork Control Valve Tilt  Cylinder Boom  Assembly Lifting  Forks  and  Carriage  Assembly Lift  Cylinder Sideshift Cylinder (S/N 2000 and below) Sideshift Cylinder (S/N 2001 and above) Fork Position Cylinders (S/N 2000 and below) Fork Position Cylinders (S/N 2001 and above) Oscillation  Cylinder  (S/N  2000  and  below) Oscillation Cylinder (S/N 2001 and above) Hydraulic  Reservoir  and  Filter Paragraph 12-1 12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 12-10 12-11 12-12 12-13 12-14 12-15 12-16 12-17 12-18 12-19 Page 12-2 12-9 12-13 12-27 12-33 12-42 12-50 12-56 12-65 12-75 12-86 12-101 12-111 12-121 12-132 12-142 12-152 12-160 12-170 12-1

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