Yanmar B14(US) Excavator Service Manual

Description

• Model List:
  • B14(US) Excavator

• 1. FOREWORD
• 2. CONTENTS
• 3. CHAPTER 1 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. CHAPTER 2 TECHNICAL DATA
• 4.1. Specifications
• 4.2. Outline Drawing and Working Area
• 4.3. Weight List of Main Parts
• 4.4. Lifting Capacity List (For Standard Arm)
• 5. CHAPTER 3 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
• 5.6.3. Bucket Teeth
• 5.7. List of Tightening Torque
• 5.7.1. Machine
• 5.7.2. Engine Tightening Torque for Major Bolts and Nuts
• 5.7.3. Tightening Torque for General Bolts and Nuts
• 6. CHAPTER 4 ENGINE
• 6.1. Measurement, Inspection and Adjustment
• 6.1.1. Measuring the Compression Pressure
• 6.1.2. Adjusting the Valve Clearance
• 6.1.3. Checking the V-belt Tension
• 6.1.4. Checking the Fuel Injection Valve
• 6.1.5. Checking and Adjusting the Fuel Injection Timing
• 6.1.6. Adjusting the Maximum (or Minimum) Idling Speed
• 6.1.7. Checking the Cooling Water System and Radiator for Water Leakage
• 6.1.8. Checking the Sensors
• 6.2. Measurement Procedure, Service Data and Corrective Action
• 6.2.1. Cylinder Head
• 6.2.2. Cylinder Block
• 6.2.3. Valve Rocker Arm
• 6.2.4. Piston and Piston Rings
• 6.2.5. Connecting Rod
• 6.2.6. Cam shaft
• 6.2.7. Crank shaft
• 6.2.8. Gears
• 6.2.9. Trochoid Pump
• 6.3. Precautions for Reassembly
• 6.4. Fuel Injection System
• 6.4.1. Fuel Injection Pump
• 6.4.2. Fuel Injection Valve
• 6.4.3. Governor Mechanism
• 6.4.4. Specifications of Fuel Injection Pump
• 6.4.5. Service Data for Fuel Injection System
• 6.5. Electrical Equipment
• 6.5.1. Starter Motor
• 6.5.2. Alternator
• 6.5.3. Glow Plug
• 7. CHAPTER 5 HYDRAULIC SYSTEM
• 7.1. Outline
• 7.1.1. Control Valve Operation
• 7.2. Hydraulic Circuit Schematic
• 7.2.1. Pilot Operated Type
• 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 Blade and Travel
• 7.3.9. 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. CHAPTER 6 HYDRAULIC EQUIPMENT
• 8.1. Hydraulic Pump
• 8.2. Control Valve
• 8.3. Pilot Valve
• 8.4. Cut-off Valve
• 8.5. Swing Motor
• 8.6. Travel Motor
• 9. CHAPTER 7 ADJUSTMENT AND REPAIR
• 9.1. Electric Equipment of the Machine
• 9.1.1. Parts Layout of Electrical Equipment
• 9.1.2. Monitor and Alarm Systems
• 9.1.3. Wiring Diagram
• 9.1.4. Wiring Diagram in Starting / Stopping Engine
• 9.1.5. Wiring Diagram in Charging
• 9.1.6. Removal and Reinstallation (RR) of Engine
• 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. Mechanical Control Linkage
• 9.3.3. Adjustment of Implement Control Levers
• 9.3.4. Adjustment of Travel Levers
• 9.3.5. Adjustment Procedure of P.T.O. Pedal
• 9.3.6. Adjustment Procedure of P.T.O. Lock
• 9.3.7. Adjustment Procedure of 2-speed Pedal
• 9.3.8. Adjustment of Boom Swing Pedal
• 9.3.9. Adjustment of Blade Control Lever
• 9.3.10. Adjustment of Lock Lever
• 9.3.11. Adjustment of Accelerator Lever
• 9.4. Swing Bearing
• 9.5. Hydraulic Equipment
• 9.5.1. Removal and Reinstallation (RR) of Hydraulic Pump
• 9.5.2. Removal and Reinstallation (RR) of Control Valve
• 9.5.3. Removal and Reinstallation (RR) of Relief Valves
• 9.5.4. Removal and Reinstallation (RR) of Swing Motor
• 9.5.5. Removal and Reinstallation of Swivel Joint
• 9.5.6. Disassembly and Reassembly of Swivel Joint
• 9.5.7. Disassembly and Reassembly of Hydraulic Cylinder
• 9.5.8. Hydraulic Oil Tank
• 9.5.9. Piping Layout
• 9.6. Work Implements
• 9.6.1. Removal and Reinstallation (RR) of Front Work Implements
• 9.6.2. Removal and Reinstallation (RR) of Blade
• 10. CHAPTER 8 PERIODIC INSPECTION AND SERVICING
• 11. CHAPTER 9 FUEL, LUBE OIL AND GREASE RECOMMENDED
• 12. CHAPTER 10 TROUBLESHOOTING
• 12.1. Non-breakdowns
• 12.1.1. Natural Release of Bucket
• 12.1.2. Discontinuous Arm Movement
• 12.1.3. Drifting of Upperstructure on Quick Travel Operation
• 12.1.4. Thermal Shock of Travel Motor
• 12.1.5. Time Lag on Travel Speed Switching
• 12.1.6. Fluctuation in Oil Level of Hydraulic Oil Tank due to Temperature Change
• 12.2. Troubleshooting
• 12.2.1. Machine and Engine
• 12.2.2. Electrical Equipment on Panel
• 13. CHAPTER 11 FEFERENCE DATA
• 13.1. Specifications for Attachment