Yanmar B55W-2 Wheel Excavator Service Manual

Description

• Model List:
  • B55W-2 Wheel Excavator

• 1. Table of Contents
• 1.1. Wheel Excavator Safety
• 2. Specifications
• 2.1. Specification for DX55W
• 3. General Maintenance
• 3.1. General Maintenance Procedures
• 3.2. Standard Torques
• 4. Upper Structure
• 4.1. Safety Precautions
• 4.2. Applicable Models
• 4.3. Removal
• 4.4. Installation
• 4.5. Counterweight
• 4.6. Fuel Tank
• 4.7. Fuel Transfer Pump
• 4.8. Swing Bearing
• 5. Lower Structure and Chassis
• 5.1. Ram Lock Valve
• 6. Engine and Drive Train
• 6.1. Safety Precautions
• 6.2. Applicable Models
• 6.3. Safety Precautions
• 6.4. General Service Information
• 6.5. Component Identification
• 6.6. Location of Labels
• 6.7. Function Of Major Engine Components
• 6.8. Main Electronic Control Components and Features
• 6.9. Function of Cooling System Components
• 6.10. Diesel Fuel
• 6.11. Diesel Fuel Specifications
• 6.12. Filling The Fuel Tank
• 6.13. Priming the Fuel System
• 6.14. Engine Oil
• 6.15. Engine Oil Specifications
• 6.16. Engine Oil Viscosity
• 6.17. Checking Engine Oil
• 6.18. Adding Engine Oil
• 6.19. Engine Coolant
• 6.20. Engine Coolant Specifications
• 6.21. Filling Radiator with Engine Coolant
• 6.22. Principal Engine Specifications
• 6.23. NV98-E
• 6.24. Engine Service Standards
• 6.25. Tightening Torques For Standard Bolts And Nuts
• 6.26. Periodic Maintenance
• 6.27. Before You Begin Servicing
• 6.28. Introduction
• 6.29. The Importance of Periodic Maintenance
• 6.30. Performing Periodic Maintenance
• 6.31. Genuine Replacement Parts
• 6.32. Required EPA / ARB Maintenance – USA Only
• 6.33. EPA / ARB Installation Requirements -USA Only
• 6.34. Periodic Maintenance Schedule
• 6.35. Periodic Maintenance Procedures
• 6.36. After Initial 50 Hours of Operation
• 6.37. Every 50 Hours of Operation
• 6.38. Every 250 Hours of Operation
• 6.39. Every 500 Hours of Operation
• 6.40. Every 1000 Hours of Operation
• 6.41. Every 1500 Hours of Operation
• 6.42. Every 2000 Hours of operation
• 6.43. Before You Begin Servicing
• 6.44. Introduction
• 6.45. Cylinder Head Specifications
• 6.46. Adjustment Specifications
• 6.47. Cylinder Head
• 6.48. Intake / Exhaust Valve and Guide
• 6.49. Push Rod
• 6.50. Valve Spring
• 6.51. Rocker Arm and Shaft
• 6.52. Camshaft And Timing Gear Train Specifications
• 6.53. Camshaft
• 6.54. Idler Gear Shaft and Bushing
• 6.55. Timing Gear Backlash
• 6.56. Crankshaft and Piston Specifications
• 6.57. Crankshaft
• 6.58. Thrust Bearing
• 6.59. Piston Ring
• 6.60. Connecting Rod
• 6.61. Cylinder Block Specifications
• 6.62. Cylinder Block
• 6.63. Special Torque Chart
• 6.64. Torque for Bolts and Nuts
• 6.65. Special Service Tools
• 6.66. Measuring Instruments
• 6.67. valve Cylinder Head
• 6.68. Valve Cylinder Head Components
• 6.69. Disassembly of 4-Valve Cylinder Head
• 6.70. Cleaning of Cylinder Head Components
• 6.71. Inspection of Cylinder Head Components
• 6.72. Inspection of Push Rods
• 6.73. Inspection of Rocker Arm Assembly
• 6.74. Inspection of Valve Guides
• 6.75. Inspection of Cylinder Head
• 6.76. Inspection of Intake and Exhaust Valves
• 6.77. Reassembly of Cylinder Head
• 6.78. Measuring And Adjusting Valve Clearance
• 6.79. Valve Cylinder Heads
• 6.80. Crankshaft And Camshaft Components
• 6.81. Disassembly of Engine
• 6.82. Disassembly of Camshaft and Timing Components
• 6.83. Disassembly of Crankshaft and Piston Components
• 6.84. Inspection of Crankshaft and Camshaft Components
• 6.85. Honing and Boring
• 6.86. Reassembly of Crankshaft and Piston Components
• 6.87. Reassembly of Camshaft and Timing Components
• 6.88. Final Reassembly of Engine
• 6.89. EGR System
• 6.90. EGR System
• 6.91. Inspecting/cleaning EGR related components
• 6.92. Fuel System
• 6.93. Before You Begin Servicing
• 6.94. Introduction
• 6.95. Fuel Injection Pump
• 6.96. Stop Solenoid
• 6.97. Cold Start Device
• 6.98. Trochoid Fuel Pump
• 6.99. Electronically controlled governor
• 6.100. Fuel System Specifications
• 6.101. Special Torque Chart
• 6.102. Test and Adjustment Specifications
• 6.103. Special Service Tools
• 6.104. Measuring Instruments
• 6.105. Fuel System Diagram
• 6.106. Fuel System Components
• 6.107. Valve Cylinder Head
• 6.108. Fuel Injection Pump
• 6.109. Removal of Fuel Injection Pump
• 6.110. Installation of Fuel Injection Pump
• 6.111. Checking And Adjusting Fuel Injection Timing
• 6.112. Determining the Fuel Injection Timing Specification
• 6.113. Checking Fuel Injection Timing
• 6.114. Adjusting Fuel Injection Timing
• 6.115. Fuel Injectors
• 6.116. Removal of Fuel Injectors
• 6.117. Testing of Fuel Injectors
• 6.118. Disassembly and Inspection of Fuel Injectors
• 6.119. Adjusting Fuel Injector Pressure
• 6.120. Reassembly of Fuel Injectors
• 6.121. Installation of the Fuel Injectors
• 6.122. Cooling System
• 6.123. Before You Begin Servicing
• 6.124. Introduction
• 6.125. Cooling System Diagram
• 6.126. Engine Coolant Pump Components
• 6.127. Engine Coolant System Check
• 6.128. Engine Coolant Pump
• 6.129. Disassembly of Engine Coolant Pump
• 6.130. Cleaning and Inspection
• 6.131. Reassembly of Engine Coolant Pump
• 6.132. Installation of Engine Coolant Pump
• 6.133. Lubrication System
• 6.134. Before You Begin Servicing
• 6.135. Introduction
• 6.136. Oil Pump Service Information
• 6.137. Lubrication System Diagram
• 6.138. Checking Engine Oil Pressure
• 6.139. Trochoid Oil Pump
• 6.140. Oil Pump Components
• 6.141. Disassembly of Oil Pump
• 6.142. Cleaning and Inspection
• 6.143. Reassembly of Oil Pump
• 6.144. Starter Motor
• 6.145. Before You Begin Servicing
• 6.146. Introduction
• 6.147. Starter Motor Specifications
• 6.148. Starter Motor Troubleshooting
• 6.149. Starter Motor Components
• 6.150. Starter Motor
• 6.151. Removal of Starter Motor
• 6.152. Disassembly of Starter Motor
• 6.153. Cleaning and Inspection
• 6.154. Reassembly of Starter Motor
• 6.155. Check Pinion Projection Length
• 6.156. No-Load Test
• 6.157. Installation of Starter Motor
• 6.158. Alternator
• 6.159. Before You Begin Servicing
• 6.160. Introduction
• 6.161. Alternator Specifications
• 6.162. Dynamo Specifications
• 6.163. Alternator Troubleshooting
• 6.164. Alternator Components
• 6.165. Alternator Wiring Diagram
• 6.166. Alternator Standard Output
• 6.167. Alternator
• 6.168. Removal of Alternator
• 6.169. Disassembly of Alternator
• 6.170. Reassembly of Alternator
• 6.171. Installation of Alternator
• 6.172. Dynamo Component Location
• 6.173. Dynamo Wiring Diagram
• 6.174. Operation Of Dynamo
• 6.175. Dynamo Standard Output
• 6.176. Testing of Dynamo
• 6.177. Testing Stator Coil Continuity
• 6.178. Testing Stator Coil Short-to-Ground
• 6.179. Testing Dynamo Regulated Output
• 6.180. Removal of Dynamo
• 6.181. Disassembly of Dynamo
• 6.182. Reassembly of Dynamo
• 6.183. Installation of Dynamo
• 6.184. Electric Wiring
• 6.185. Electric Wiring Precautions
• 6.186. Electrical Wire Resistance
• 6.187. Battery Cable Resistance
• 6.188. Electrical Wire Sizes – Voltage Drop
• 6.189. Conversion Of Awg To European Standards
• 6.190. Troubleshooting
• 6.191. Special Service Tools
• 6.192. Troubleshooting By Measuring Compression Pressure
• 6.193. Compression Pressure Measurement Method
• 6.194. Standard Compression Pressure (Reference Value)
• 6.195. Engine Speed and Compression Pressure (Use for Reference)
• 6.196. Measured Value and Troubleshooting
• 6.197. Quick Reference Table For Troubleshooting
• 6.198. Failure Diagnosis Table
• 6.199. Electrical wiring
• 6.200. Transmission
• 6.201. Drive Coupling (Main Pump)
• 7. Hydraulics
• 7.1. Hydraulic System Troubleshooting, Testing and Adjustment
• 7.2. Accumulator
• 7.3. Center Joint (Swivel)
• 7.4. Cylinders
• 7.5. Main Control Valve
• 7.6. Swing Motor
• 7.7. Travel Motor
• 7.8. Steering Valve
• 7.9. Remote Control Valve (Work Lever / Joystick)
• 7.10. Dozer Valve
• 7.11. Accelerator Pedal Valve (Hydraulic)
• 7.12. Service Brake Pedal Valve
• 7.13. Hydraulic Schematic (DX55W)
• 8. Electrical System
• 8.1. Electrical System
• 8.2. Electrical Schematic (DX55W)
• 9. Attachments
• 9.1. Boom and Arm