Yanmar SV08-1A, SV08-1A(S), SV08-1C Mini Excavator Service Manual

Description

• Model List:
  • SV08-1A, SV08-1A(S), SV08-1C Mini Excavator

• 1. Foreword
• 2. Contents
• 3. General Cautions for Maintenance Work
• 3.1. Correct Work
• 3.2. Safety Precautions
• 3.3. Preparations
• 3.4. Cautions for Disassembly and Reassembly
• 3.5. Cautions for Removal and Installation of Hydraulic Equipment
• 3.6. Cautions for Removal and Installation of Hydraulic Piping
• 3.7. Cautions for Handling Seals
• 3.8. Correct Installation of Hydraulic Hose
• 3.9. Specifications of Hydraulic Hose
• 3.10. Air Release of Hydraulic Equipment
• 4. Technical Data
• 4.1. Specifications
• 4.2. Outline Drawing and Working Area
• 4.3. Weight List of Main Parts
• 4.4. Lifting Capacity List
• 4.5. Specifications for Attachment
• 4.6. Periodic Inspection and Servicing
• 4.7. Fuel, Lube Oil and Grease Recommended
• 5. Service Standards
• 5.1. Machine Performance
• 5.2. Engine
• 5.3. Undercarriage
• 5.3.1. Rubber Crawler Specifications
• 5.4. Controls
• 5.5. Hydraulic Equipment
• 5.5.1. Hydraulic Cylinders
• 5.6. Implement
• 5.6.1. Front Attachments
• 5.6.2. Blade Moving Device (Link track gauge change type)
• 5.6.3. Variable Track Gauge Type and Blade Moving Device (Slide track gauge change type)
• 5.6.4. Bucket Teeth
• 5.6.5. Variable Track Gauge Type (Link track gauge change type)
• 5.7. List of Tightening Torque
• 5.7.1. Machine
• 5.7.2. Engine
• 5.7.3. Tightening Torque for General Bolts and Nuts (Machine)
• 5.7.4. Hydraulic Hose Joint
• 6. Engine
• 6.1. Disassembly of Engine
• 6.1.1. Removing the Nozzle and Glow Plug
• 6.1.2. Removing the Cylinder Head Cover
• 6.1.3. Removing the Oil Pipe
• 6.1.4. Removing the Water Pump Assembly
• 6.1.5. Removing the Rocker Arm and Push Rods
• 6.1.6. Removing the Exhaust Manifold
• 6.1.7. Removing the Cylinder Head
• 6.1.8. Removing the Tappets
• 6.1.9. Removing the Injection Pump Assembly
• 6.2. Disassembly, Inspection and Reassembly of Main Component Parts
• 6.2.1. Cylinder Head
• 6.2.2. Rocker Arm
• 6.2.3. Cylinder Block
• 6.2.4. Piston and Piston Rings
• 6.2.5. Connecting Rod
• 6.2.6. Connecting Rod Metal
• 6.2.7. Bearing Holder
• 6.2.8. Crankshaft Bearing
• 6.2.9. Crankshaft
• 6.3. Reassembly of Engine
• 6.3.1. Crankshaft and Bearing Holder Assembly
• 6.3.2. Oil Seal and Flywheel Cover (Rear Plate)
• 6.3.3. Flywheel
• 6.3.4. Pistons and Connecting Rods
• 6.3.5. Suction Pipe and Suction Filter
• 6.3.6. Oil Pan and Front Plate
• 6.3.7. Camshaft Assembly and Plate
• 6.3.8. Idle Gear and Oil Pump Assembly
• 6.3.9. Timing Gear Case
• 6.3.10. Crankshaft Pulley
• 6.3.11. Injection Pump Assembly
• 6.3.12. Oil filter and Oil Pipe
• 6.3.13. Tappets
• 6.3.14. Cylinder Head Assembly and Cylinder Head Gasket
• 6.3.15. Caps, Push Rods and Rocker Arm Assembly
• 6.3.16. Adjusting the valve clearance
• 6.3.17. Cylinder Head Cover
• 6.3.18. Water Pump Assembly
• 6.3.19. Oil Pressure Switch
• 6.3.20. Nozzle and Holder Assembly
• 6.3.21. Return Pipes and Injection Pipes
• 6.3.22. V-belt
• 6.4. Electrical Equipment
• 6.4.1. Starter Motor
• 6.4.2. Alternator
• 6.4.3. Glow Plug
• 6.4.4. Stop Solenoid
• 6.5. Troubleshooting
• 7. Hydraulic System
• 7.1. Outline
• 7.1.1. Control Valve Operation
• 7.2. Hydraulic Circuit Schematic
• 7.3. Circuit Operation
• 7.3.1. Boom
• 7.3.2. Arm
• 7.3.3. Bucket
• 7.3.4. Swing
• 7.3.5. Boom Swing
• 7.3.6. Blade
• 7.3.7. Travel
• 7.3.8. Simultaneous Operation of Travel and Blade
• 7.3.9. Hydraulic P.T.O.
• 7.3.10. Simultaneous Operation of Boom Up and Bucket
• 7.3.11. Track Gauge Change
• 7.4. Pressure Adjustment
• 7.4.1. Relief Valves
• 7.4.2. Swing Combination Valve (Brake Valve)
• 8. Hydraulic Equipment
• 8.1. Hydraulic Pump
• 8.2. Control Valve
• 8.3. Swing motor
• 8.3.1. S/N 14001 to 19874
• 8.3.2. S/N 19985 to 19999, 1A000 and above
• 8.4. Valve Block (Link track gauge change type)
• 8.5. Travel Motor
• 9. Adjustment and Repair
• 9.1. Electrical Equipment of Machine
• 9.1.1. Parts Layout of Electrical Equipment
• 9.1.2. Monitor and Alarm Systems
• 9.1.3. Wiring Diagram
• 9.1.4. Circuit Description of Engine Start and Stop
• 9.1.5. Circuit Description of Battery Charging
• 9.1.6. Removal and Reinstallation of Engine
• 9.1.7. Removal and Reinstallation of Starter motor
• 9.2. Undercarriage
• 9.2.1. Outline
• 9.2.2. Points of Reassembly
• 9.2.3. Disassembly and Reassembly of Idler
• 9.2.4. Disassembly and Reassembly of Track Roller
• 9.3. Controls
• 9.3.1. Control Train
• 9.3.2. Removal and Reinstallation of Control Levers
• 9.3.3. Adjustment of Control Levers
• 9.3.4. Adjustment of Travel Levers
• 9.3.5. Adjustment of Travel Lever Lock (YCEE spec. S/N 19919 and above)
• 9.3.6. Adjustment of P.T.O. Pedal
• 9.3.7. Adjustment of Boom Swing Pedal
• 9.3.8. Adjustment of Blade Lever
• 9.3.9. Adjustment of Accelerator Lever (Adjustment of Engine Idling Speed)
• 9.4. Swing Bearing
• 9.4.1. Removal and Reinstallation of Swing Bearing
• 9.5. Hydraulic Equipment
• 9.5.1. Removal and Reinstallation of Hydraulic Pump
• 9.5.2. Removal and Reinstallation of Control Valve
• 9.5.3. Removal and Reinstallation of Swing Motor
• 9.5.4. Removal and Reinstallation of Swivel Joint
• 9.5.5. Disassembly and Reassembly of Swivel Joint
• 9.5.6. Disassembly and Reassembly of Hydraulic Cylinders
• 9.5.7. Removal and Reinstallation of Hydraulic Oil Tank
• 9.5.8. Removal and Reinstallation of Track Gauge Change Cylinder
• 9.5.9. Piping Layout
• 9.6. ROPS Bar
• 9.6.1. Removal and Reinstallation of ROPS bar
• 9.7. Work Implements
• 9.7.1. Removal and Reinstallation of Work Implements
• 10. Troubleshooting
• 10.1. Non-Breakdowns
• 10.1.1. Natural Release of Bucket
• 10.1.2. Discontinuous Arm Movement
• 10.1.3. Drifting of Upperstructure on Quick Travel Operation
• 10.1.4. Thermal Shock of Travel Motor
• 10.1.5. Fluctuation in Oil Level of Hydraulic Oil Tank Due to Temperature Change
• 10.2. Troubleshooting
• 10.2.1. Machine and Engine
• 10.2.2. Electrical Equipment on Panel