| Caution for Inspection and Maintenance & Basic Rules | 5-12 | Caution for Inspection and Maintenance, Basic Rules, Fire Prevention, Machine Inspection, Maintenance Safety, Tool Usage, Heavy Object Handling, General Rules for Disassembling, General Rules for Reassembling, Handling of the Interchangeable Parts |
| Hydraulic Circuit | 13-14 | Travel Motor, Bucket Cylinder, Boom Cylinder, Hydraulic Pump, Pilot Line Circuit, Holding Valve |
| Electric Circuit | 15-16 | Controller, Valve Solenoid, Pressure Switch, Throttle Motor, Battery, Sensor |
| Performance Standards & Measuring Pressure | 17-30 | Performance Standards, Measuring Pressure, Oil Stopper for Suction Strainer, Setting Pressure, Valve Spool Stroke, Control Lever Operating Force, Swing Performance, Travel Performance, Cylinder Performance, Accumulator Gas Pressure Verification, Suction Strainer, Oil Stopper, Hydraulic Pump, Suction Lines |
| Travel Motor, Rollers & Recoil Spring | 31-130 | Travel Motor, Traction Drive Assembly, Upper Roller, Lower Roller, Recoil Spring, Cautionary Points for Operation, Troubleshooting, Traction Motor, Drive Sprocket, Mounting Bolts, Washer, Mounting Bolt, Spacer, Track Roller, Oil Level Plug, Structural Diagram, Grease Cylinder, Piston Rod |
| Swing Motor, Turntable Bearing & Engine Mounting | 131-182 | Swing Motor, Swing Motor Assembly, Turntable Bearing, Engine Mounting, Cautionary Points for Operation, Troubleshooting, Disassembling Procedure, Reassembling Procedure, Motor Section, Reduction Gear Section, Maintenance Procedure, Grease Application, Bolt Tightening, Cushion Rubber, Hydraulic Pump Side, Fan Side |
| Hydraulic Pump, Pump Installation & Rotating Joint | 183-246 | Hydraulic Pump, Pump Installation, Rotating Joint, Details of Parts, Tools and Jigs, Disassembly, Reassembly, Troubleshooting, Pump Casing, Suction Line, Bolt Tightening, Air Bleeding, Rotating Joint Assembly, Disassembly Procedure, Seal Replacement, Assembly Procedure, Special Jig |
| Pilot Valve | 247-270 | Maintenance, Disassembly, Reassembly |
| Control Valve | 271-292 | Cautions in Handling the Control Valve, Control Valve Disassembly and Reassembly, Troubleshooting |
| Hydraulic Cylinder | 293-308 | Disassembly and Assembly Procedures, Maintenance Standard, Reassembling Procedure |
| Monitor | 309-324 | Function and Construction Description, Disassembly and Reassembly |
| Weight of Components, Maintenance Standards & Conversion Table | 325-339 | Weight of Components, Maintenance Standards, Conversion Table, Weight Distribution, Individual Parts Weight, Shipping Weight, Drive Sprocket, Front Idler, Upper Roller, Lower Roller, Grouser Shoes, Swing Equipment, Attachment, Weight, Length, Capacity, Pressure, Torque, Temperature |