|  | 
   
    |  | 
   
    |  |  SECTION 
        1 | 
   
    |  | GENERAL | 
   
    | Group 1 | Safety 
      Hints | 
   
    | Group 2 | Specifications | 
   
    |  SECTION 
      2 | 
   
    |  | STRUCTURE 
      AND FUNCTIONND 
      FUNCTION | 
   
    | Group 1 | Pump 
      Device | 
   
    | Group 2 | Main 
      Control Valve | 
   
    | Group 3 | Swing 
      Device | 
   
    | Group 4 | Travel 
      Motor | 
   
    | Group 5 | RCV 
      Lever | 
   
    |  SECTION 
      3 | 
   
    |  | HYDRAULIC 
      SYSTEM | 
   
    | Group 1 | Hydraulic 
      Circuit | 
   
    | Group 2 | Main 
      Circuit | 
   
    | Group 3 | Pilot 
      Circuit | 
   
    | Group 4 | Single 
      Operation | 
   
    | Group 5 | Combined 
      Operation | 
   
    |  SECTION 
      4 | 
   
    |  | ELECTRICAL 
      SYSTEM | 
   
    | Group 1 | Component 
      Location | 
   
    | Group 2 | Monitoring 
      System | 
   
    | Group 3 | Electrical 
      Circuit | 
   
    | Group 4 | Electrical 
      Component Specification | 
   
    | Group 5 | Connectors | 
   
    |  SECTION 
      5 | 
   
    |  | TROUBLESHOOTING | 
   
    | Group 1 | Before 
      Troubleshooting | 
   
    | Group 2 | Hydraulic 
      and Mechanical System | 
   
    | Group 3 | Electrical 
      System | 
   
    |  SECTION 
      6 | 
   
    |  | MAINTENANCE 
      STANDARD | 
   
    | Group 1 | Operating 
      Performance Test | 
   
    | Group 2 | Major 
      Components | 
   
    | Group 3 | Track 
            and Work 
      Equipment | 
   
    |  SECTION 
      7 | 
   
    |  | DISASSEMBLY 
      AND ASSEMBLY | 
   
    | Group 1 | Precaution | 
   
    | Group 2 | Tightening 
      Torque | 
   
    | Group 3 | Pump 
      Device | 
   
    | Group 4 | Main 
      Control Valve | 
   
    | Group 5 | Swing 
      Device | 
   
    | Group 6 | Travel 
      Device | 
   
    | Group 7 | RCV 
      Lever | 
   
    | Group 8 | Turning 
      Joint | 
   
    | Group 9 | Boom, 
      Arm, Bucket Cylinder | 
   
    | Group 10 | Undercarriage | 
  
    | Group 11 | Work 
      Equipment | 
  
    |  SECTION 
            8 | 
    
    |   | COMPONENT MOUNTING TORQUE | 
    
    | Group 1 | Introduction guide | 
    
    | Group 2 | Engine system | 
    
    | Group 3 | Electric system | 
    
    | Group 4 | Hydraulic system | 
    
    | Group 5 | Undercarriage | 
    
    | Group 6 | Structure | 
    
    | Group 7 | Work equipment | 
    
    |  APPENDIX
 | 
    
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