Yanmar B20-2, B20-2A Crawler Excavator Service Repair Manual

Product Overview

This comprehensive service repair manual for the Yanmar B20-2 and B20-2A Crawler Excavator is an essential resource for maintenance professionals. Crafted to enhance your understanding of the machine’s intricate systems, this manual provides detailed insights to facilitate effective servicing and repairs.

Format: PDF

Language: English

Total Pages: 533

Key Features

• Complete service repair guide for the Yanmar B20-2, B20-2A Excavators.
• Includes detailed specifications, servicing standards, and weight information.
• In-depth hydraulic and electric wiring diagrams.
• Comprehensive guidelines for pressure adjustment and component servicing.

Benefits

• Simplifies the maintenance and repair process with clear instructions and diagrams.
• Offers a detailed understanding of various excavator assemblies and functionality.
• Supports experienced technicians in performing big repairs efficiently.
• Emphasizes safety and proper workplace practices for optimal efficiency.

Usage Recommendations

• This manual is intended for qualified technicians experienced in maintaining heavy machinery.
• Prioritize safety and ensure cleanliness at the workstation while performing maintenance.
• Always use tools in optimal condition and replace sealing components during repairs.
• If specific values are not provided, adhere to standard tightening torques for screw connections.

Table of Contents

• General Cautions for Maintenance Work
• Specifications
• Weight of Main Parts
• Servicing Standards of Machine Performance Control Devices
• Engine Service Data
• Hydraulic Oil Schematic
• Hydraulic Pump
• Pressure Adjustment
• Electric Wirings
• Electric Wiring Diagrams
• Adjustment of 2-Speed Pedal

This manual aims to enhance the quality of service for Yanmar machines through a collaborative effort in documentation and practical instruction.