Yanmar ViO70 (US) Excavator Service Manual

Description

• Model List:
  • ViO70 (US) Excavator

• 1. Vio70(US)
• 2. FOREWORD
• 3. CONTENTS
• 4. GENERAL CAUTIONS FOR MAINTENANCE WORK
• 4.1. Correct Work
• 4.2. Safety Precautions
• 4.3. Preparations
• 4.4. Cautions for Disassembly and Reassembly
• 4.5. Cautions for Attaching and Detaching Hydrauplic Equipment
• 4.6. Cautions for Attaching and Detaching Hydraulic Piping
• 4.7. Cautions for Handling Seals
• 4.8. Correct Installation of Hydraulic Hose
• 4.9. Specifications of Hydraulic Hose
• 4.10. Air-Venting of Hydraulic Equipment
• 5. TECHNICAL DATA
• 5.1. Specifications
• 5.2. External Drawings and Working Ranges
• 5.2.1. Canopy Type Specifications
• 5.3. Weight of Main Parts
• 5.4. Lifting Capacities
• 6. SERVICING STANDARDS
• 6.1. Machine Performance
• 6.2. Engine
• 6.3. Undercarriage
• 6.3.1. Rubber Track Specifications
• 6.3.2. Steel　Track Specifications
• 6.3.3. Steel Rubber Track Common Specifications
• 6.4. Control Devices
• 6.5. Hydraulic Equipment
• 6.5.1. Hydraulic Cylinder
• 6.6. Work Implement
• 6.6.1. Front Attachment
• 6.6.2. Blade Moving Device
• 6.6.3. Bucket Teeth
• 6.7. Torque Specifications
• 6.7.1. Machine
• 6.7.2. Engine
• 6.7.3. Tightening Torque of General Bolts and Nuts
• 7. HYDRAULIC SYSTEM
• 7.1. Outline
• 7.1.1. Function of Control Valve Operation
• 7.1.2. Additional Operation of Control Valve
• 7.2. Hydraulic Circuit Schematic
• 7.3. Operating Circuit
• 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. Traveling
• 7.3.8. Simultaneous Operation of Travel and Boom/Bucket
• 7.3.9. Simultaneous Operation of Travel and Arm/Boom Swing
• 7.3.10. Simultaneous Operation of Boom-Up and Arm-Down
• 7.3.11. Simultaneous Operation of Boom-Up and Bucket
• 7.3.12. Simultaneous Operation of Boom-Up and Swing
• 7.3.13. Hydraulic P.T.O.
• 7.4. Pressure Adjustment
• 7.4.1. Relief Valves
• 7.4.2. Swing Brake Valve
• 7.4.3. Cut-off Valve
• 8. HYDRAULIC EQUIPMENT
• 8.1. Hydraulic Pump
• 8.2. Control Valve
• 8.3. Pilot Valve
• 8.4. Swing Motor
• 8.5. Travel Motor
• 9. ADJUSTMENT PROCEDURES FOR EACH EQUIPMENT
• 9.1. Electric Equipment of the Machine
• 9.1.1. Arrangement of Electrical Equipment and Names of Parts
• 9.1.2. Monitor and Alarm Systems
• 9.1.3. Electric Wiring Diagram
• 9.2. Undercarriage
• 9.2.1. Outline
• 9.2.2. Major Parts
• 9.2.3. Cautions for Reassembly (Rubber Track)
• 9.2.4. Cautions for Reassembly (Steel Track)
• 9.2.5. Disassembly and Reassembly of Idler
• 9.2.6. Assembly of Idler
• 9.2.7. Disassembly and Reassembly of Track Roller
• 9.2.8. Disassembly and Reassembly of Carrier Roller
• 9.3. Controls
• 9.3.1. Control Train
• 9.3.2. Disassembly and Reassembly of Mecahnical Control Linkages
• 9.3.3. Adjustment of Implements Control Levers
• 9.3.4. Adjustment of Travel Levers
• 9.3.5. Adjustment of 2-Speed Pedal
• 9.3.6. Adjustment of Boom Swing Pedal
• 9.3.7. Adjustment of Blade Lever
• 9.3.8. Adjustment of Lock Lever
• 9.3.9. Adjustment of Engine Speed Control Lever
• 9.4. Swing System
• 9.4.1. Swing Bearing
• 9.5. Hydraulic Equipment
• 9.5.1. Precautions for Removal and Installation,and Assembly of Hydraulic Pump
• 9.5.2. Disassembly and Reassembly of Hydraulic Cylinder
• 9.5.3. Swivel Joint
• 9.5.4. Hydraulic Oil Tank
• 9.5.5. Hydraulic Piping Layout
• 9.6. Cabin and Cab guard
• 9.6.1. Weight of Components
• 9.6.2. Disassembly Procedure for Cab guard
• 9.6.3. Reassembly Procedure for Cab guaed
• 9.6.4. Disassembly and Reassembly Procedure for Cabin
• 10. PERIODIC INSPECTION AND SERVICING
• 10.1. List of Periodic Inspection and Servicing
• 11. FUEL,LUBE OIL AND GREASE RECOMMENDED
• 11.1. Fuel,Lube Oil and Grease Recommended by Yanmar
• 11.2. Cooling Water Recommended by Yanmar
• 12. TROUBLESHOOTING
• 12.1. Non-breakdowns
• 12.1.1. Natural Release of Bucket
• 12.1.2. Discontinuous Arm Movement
• 12.1.3. Thermal Shock of Travel Motor
• 12.1.4. Elongation of Boom Swing Cylinder on 68 degrees Swing
• 12.1.5. Time Lag on Switching Travel Speed
• 12.1.6. Hydraulic Oil Tank Oil Level Fluctuation Through Temperature Change
• 12.2. Thoubleshooting
• 12.2.1. Machine and Engine
• 12.2.2. Electrical Equipment on Panel
• 13. REFERENCE DATA
• 13.1. Specifications for Attachment
• 14. DIESEL ENGINE
• 14.1. FOREWORD
• 14.2. For Safe Servicing
• 14.3. Precautions for Safe Servicing
• 14.4. CONTENTS
• 14.5. GENERAL
• 14.5.1. How to Read This Manual
• 14.5.2. Precautions for Service Work
• 14.6. TROUBLESHOOTING
• 14.6.1. Quick Reference Table for Troubleshooting
• 14.6.2. Troubleshooting By Measuring Compression Pressure
• 14.7. ENGINE BODY
• 14.7.1. Oil Inspection
• 14.7.2. Cooling Water Inspection
• 14.7.3. Inspecting Water Leak from Cooling Water System and Radiator
• 14.7.4. Fan Belt Tension Inspection and Adjustment
• 14.7.5. Adjustment the Valve Clearance
• 14.7.6. Inspecting the Fuel Injection Valve Injection Pressure and Pattern
• 14.7.7. Fuel Injection Timing Inspection and Adjustment
• 14.7.8. Sensor Inspection
• 14.7.9. Battery Inspection
• 14.7.10. Adjustment Operation
• 14.7.11. Long Storage
• 14.7.12. Periodic Maintenance Schedule
• 14.8. ENGINE BODY
• 14.8.1. Introduction
• 14.8.2. Cylinder Head
• 14.8.3. Gear Train and Camshaft
• 14.8.4. Cylinder Block
• 14.9. LUBRICATION SYSTEM
• 14.9.1. Lubrication System Diagram
• 14.9.2. Trochoid Pump Components
• 14.9.3. Disassembly
• 14.9.4. Servicing Points
• 14.9.5. Parts Inspection and Measurement
• 14.10. COOLING SYSTEM
• 14.10.1. Cooling Water System
• 14.10.2. Cooling Water Pump Components
• 14.10.3. Disassembly
• 14.10.4. Servicing Points
• 14.11. FUEL INJECTION PUMP/GOVERNOR
• 14.11.1. Introduction
• 14.11.2. Fuel Injection Pump
• 14.11.3. Fuel Injection Valve
• 14.11.4. Fuel Feed Pump
• 14.11.5. Governor
• 14.11.6. Special Service Tools for Disassembly/Assembly
• 14.12. STARTING MOTOR
• 14.12.1. Specifications
• 14.12.2. Components
• 14.12.3. Troubleshooting
• 14.12.4. Names of Parts and Disassembly Procedure
• 14.12.5. Inspection and Maintenance
• 14.12.6. Service Standards
• 14.12.7. Assembly
• 14.12.8. Characteristic Test
• 14.13. ALTERNATOR
• 14.13.1. Specifications
• 14.13.2. Section View
• 14.13.3. Troubleshooting
• 14.13.4. Parts Names and Disassembly Procedure
• 14.13.5. Inspection and overhaul
• 14.13.6. Assembly
• 14.13.7. Service Standards
• 14.13.8. Performance Test
• 14.14. SPECIAL SERVICE TOOLS
• 14.14.1. Special Tools
• 14.14.2. Measuring Instruments
• 14.15. SERVICE STANDARDS
• 14.15.1. Engine Turning
• 14.15.2. Engine Body
• 14.15.3. Lubricating Oil System (Trochoid pump)
• 14.15.4. Tightening Torques for Main Parts