Yanmar B15(US) Excavator Service Manual

Description

• Model List:
  • B15(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
• 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
• 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 Date for Fuel Injection Equipment
• 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. Circuit Operation
• 7.2.1. Boom
• 7.2.2. Arm
• 7.2.3. Bucket
• 7.2.4. Swing
• 7.2.5. Boom Swing
• 7.2.6. Blade
• 7.2.7. Travel
• 7.2.8. Hydraulic P.T.O.
• 8. CHAPTER 6 HYDRAULIC EQUIPMENT
• 8.1. Hydraulic Pump
• 8.2. Control Valve
• 8.3. Pilot Valve
• 8.4. Swing Motor
• 8.5. Travel Motor
• 8.5.1. Product Overview
• 8.5.2. Basic Configuration
• 8.5.3. Motor Basic Configuration
• 8.5.4. Troubleshooting
• 8.5.5. Motor Storage
• 8.5.6. Disposal
• 8.5.7. Disassembly
• 9. CHAPTER 7 ADJUSTMENT AND REPAIR
• 9.1. Electric Equipment of the Machine
• 9.1.1. Parts Layout of Electrical Equipment
• 9.1.2. Wiring Diagram
• 9.2. Controls
• 9.2.1. Mechanical Control Linkage
• 9.2.2. Adjustment of Travel Levers
• 9.2.3. Adjustment of Boom Swing Pedal
• 9.2.4. Adjustment of Blade Control Lever
• 9.2.5. Adjustment of Lock Lever
• 9.2.6. Adjustment Procedure of Travel Alarm Switch
• 9.2.7. Adjustment Procedure of P.T.O. Pedal
• 9.2.8. Adjustment Procedure of P.T.O. Pedal Lock
• 9.2.9. Adjustment of Accelerator Lever
• 10. CHAPTER 8 PERIODIC INSPECTION AND SERVICING
• 10.1. List of Periodic Inspection and Servicing
• 11. CHAPTER 9 FUEL, LUBE OIL AND GREASE RECOMMENDED
• 12. CHAPTER 10 REFERENCE DATA
• 12.1. Specifications for Attachment
• 13. COLOPHON