Yanmar B50-2B, B50-2BUS Crawler Excavators Service Repair Manual

Product Overview

This comprehensive service repair manual provides detailed guidelines for maintaining and repairing the Yanmar B50-2B and B50-2BUS crawler excavators. It is designed to help technicians and engineers maximize the performance and lifespan of these machines. Available in a convenient PDF format, the manual includes important specifications, servicing instructions, and handling precautions.

Format: PDF
Language: English

Key Features

• 425 pages of detailed service instructions
• Covers both Yanmar B50-2B and B50-2BUS models

Benefits

• Ensures efficient and effective repairs
• Aids in troubleshooting and diagnosing issues
• Increases machine lifespan with proper maintenance

Usage Recommendations

• Read the manual thoroughly to understand maintenance procedures
• Follow instructions carefully to avoid unnecessary damages
• Use as a regular reference for service and repair tasks

Table of Contents

• 1. General Cautions for Maintenance Work
• 2. Technical Data
• 3. Servicing Standards
• 4. Engine
• 5. Hydraulics System
• 6. Hydraulics Equipment
• 7. Adjustment Procedures for each Equipment
• 8. Periodic Inspection and Servicing
• 9. Fuel, Lube Oil, and Grease Recommendations
• 10. Troubleshooting
• 10-1. Non-breakdowns
• 10-1-1. Natural Release of Bucket
• 10-1-2. Discontinuous Arm Movement
• 10-1-3. Drifting of Upperstructure
• 10-1-4. Quick Travel Operation
• 10-1-5. Thermal Shock of Travel Motor
• 10-1-6. Elongation of Boom Swing Cylinder on 90 Degrees Swing
• 10-1-7. Telescopic Motion of Boom Swing Cylinder with Lock Lever in “Lock” Position
• 10-1-8. Time Lag on Switching Travel Speed
• 10-1-9. Hydraulic Oil Tank Oil Level Fluctuation Through Temperature Change
• 10-2. Troubleshooting
• 10-2-1. Machine and Engine
• 10-2-2. Electrical Equipment on Panel
• 11. Reference Data

This service manual is an essential resource for servicing YANMAR construction machinery. Ensure you read and adhere to the provided instructions to maintain the optimal function and longevity of the excavators. All measurements and numerical values are for service guidance and are not intended as inspection standards.