Yanmar ViO50-1 Excavator Service Manual

Description

• Model List:
  • ViO50-1 Excavator

• 1. Vio50-1
• 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　Removal　and　Installation　of　Hydraulic　Equipment
• 4.6. Cautions　for　Removal　and　Installation　of　Hydraulic　Piping
• 4.7. Cautions　for　Handling　Seals
• 4.8. Correct　Installation　of　Hydraulic　Hose
• 4.9. Specifications　of　Hydraulic　Hose
• 4.10. Air　Release　of　Hydraulic　Equipment
• 5. TECHNICAL　DATA
• 5.1. Specifications
• 5.2. Machine　Dimensions　and　Working　Ranges
• 5.2.1. Canopy　Type
• 5.2.2. Cabin　Type
• 5.3. Component　Weights
• 5.4. Lifting　Capacities
• 6. SERVICING　STANDARDS
• 6.1. Machine　Performance
• 6.2. Engine
• 6.3. Undercarriage
• 6.3.1. Rubber　Crawler　Specifications
• 6.3.2. Steel　Crawler　Specifications
• 6.3.3. Common　Specifications　of　Steel　　Rubber　Crawlers
• 6.4. Controls
• 6.5. Hydraulic　Equipment
• 6.5.1. Hydraulic　Cylinder
• 6.6. Work　Implements
• 6.6.1. Front　Attachments
• 6.6.2. Blade　Moving　Device
• 6.6.3. Bucket　Teeth
• 6.7. List　of　Tightening　Torque
• 6.7.1. Machine
• 6.7.2. Engine
• 6.7.3. Tightening　Torque　for　General　Bolts　and　Nuts
• 7. ENGINE
• 7.1. Cylinder　Block
• 7.2. Cylinder　Head
• 7.3. Piston　and　Piston　Pin
• 7.4. Connecting　Rod
• 7.5. Crankshaft　and　Main　Bearing
• 7.6. Camshaft　and　Tappets
• 7.7. Timing　Gear
• 7.8. Service　Data
• 7.9. Cooling　System
• 7.10. Lubrication　System
• 7.11. Fuel　Supply　System
• 7.12. Starter　Motor
• 7.13. Alternator
• 7.14. Starting　Aids
• 7.15. Adjustment　of　Engine　Output
• 8. HYDRAULIC　SYSTEM
• 8.1. Outline
• 8.1.1. Control　Valve　Operation
• 8.1.2. Additional　Operation　of　Control　Valve
• 8.2. Hydraulic　Circuit　Schematic
• 8.2.1. Standard　Specifications
• 8.3. Circuit　Operation
• 8.3.1. Boom
• 8.3.2. Arm
• 8.3.3. Bucket
• 8.3.4. Swing
• 8.3.5. Boom　Swing
• 8.3.6. Blade
• 8.3.7. Travel
• 8.3.8. Simultaneous　Operation　of　Travel　and　Boom/Bucket
• 8.3.9. Simultaneous　Operation　of　Travel　and　Arm/Boom　Swing
• 8.3.10. Simultaneous　Operation　of　Boom　Up　and　Arm　Retract
• 8.3.11. Simultaneous　Operation　of　Boom　Up　and　Bucket
• 8.3.12. Simultaneous　Operation　of　Boom　Up　and　Swing
• 8.3.13. Simultaneous　Operation　of　Arm　and　Bucket
• 8.3.14. Hydraulic　P.T.O.
• 8.4. Pressure　Adjustment
• 8.4.1. Relief　Valves
• 8.4.2. Swing　Brake　Valve
• 8.4.3. Cut-off　Valve
• 9. HYDRAULIC　EQUIPMENT
• 9.1. Hydraulic　Pump
• 9.2. Control　Valve
• 9.3. Pilot　Valve
• 9.4. Swing　Motor
• 9.5. Travel　Motor
• 10. ADJUSTMENT　AND　REPAIR
• 10.1. Electric　Equipment　of　the　Machine
• 10.1.1. Parts　Layout　of　Electrical　Equipment　and　Heater
• 10.1.2. Monitor　and　Alarm　Systems
• 10.1.3. Wiring　Diagram
• 10.2. Undercarriage
• 10.2.1. Outline
• 10.2.2. Major　Parts
• 10.2.3. Points　of　Reassembly　(Rubber　Crawler　Models)
• 10.2.4. Points　of　Reassembly　(Steel　Crawler　Models)
• 10.2.5. Disassembly　and　Reassembly　of　Idler
• 10.2.6. Disassembly　and　Reassembly　of　Track　Roller
• 10.2.7. Disassembly　and　Reassembly　of　Carrier　Roller
• 10.2.8. Installation　of　Floating　Seal
• 10.2.9. Drawings　of　Jigs
• 10.3. Controls
• 10.3.1. Control　Train
• 10.3.2. Mechanical　Control　Linkage
• 10.3.3. Adjustment　of　Implement　Control　Levers
• 10.3.4. Adjustment　of　Travel　Levers
• 10.3.5. Adjustment　of　2-Speed　Pedal
• 10.3.6. Adjustment　of　Boom　Swing　Pedal
• 10.3.7. Adjustment　of　Blade　Control　Lever
• 10.3.8. Adjustment　of　Lock　Lever
• 10.3.9. Adjustment　of　Accelerator　Lever
• 10.4. Swing　Bearing
• 10.5. Hydraulic　Equipment
• 10.5.1. Removal　and　Reinstallation (RR)　of　Hydraulic　Pump
• 10.5.2. Disassembly　and　Reassembly　of　Hydraulic　Cylinder
• 10.5.3. Swivel　Joint
• 10.5.4. Hydraulic　Oil　Tank
• 10.5.5. Piping　Layout
• 10.6. Engine　Hood　and　Cabin
• 10.6.1. Engine　Hood
• 10.6.2. Cabin
• 11. PERIODIC　INSPECTION　AND　SERVICING
• 11.1. List　of　Periodic　Inspection　and　Servicing
• 12. FUELLUBE　OIL　AND　GREASE　RECOMMENDED
• 12.1. FuelLube　Oil　and　Grease　Recommended　by　Yanmar
• 13. TROUBLESHOOTING
• 13.1. Non-breakdowns
• 13.1.1. Natural　Release　of　Bucket
• 13.1.2. Discontinuous　Arm　Movement
• 13.1.3. Drifting　of　Upperstructure　on　Quick　Travel　Operation
• 13.1.4. Thermal　Shock　of　Travel　Motor
• 13.1.5. Elongation　of　Boom　Swing　Cylinder　on　70　degrees　Swing
• 13.1.6. Telescopic　Motion　of　Boom　Swing　Cylinder　with　Lock　Lever　Set　to　Lock　Position
• 13.1.7. Time　Lag　on　Travel　Speed　Switching
• 13.1.8. Fluctuation　in　Oil　Level　of　Hydraulic　Oil　Tank　Due　to　Temperture　Change
• 13.2. Troubleshooting
• 13.2.1. Machine　and　Engine
• 13.2.2. Electrical　Equipment　on　Panel
• 14. REFERENCE　DATA
• 14.1. Specifications　for　Attachment