Download Yanmar Excavator ViO57-6B Service Manual MMB35ENMA00103 PDF (English)

Yanmar Excavator ViO57-6B Service Manual MMB35ENMA00103 PDF is a comprehensive technical guide designed for mechanics, technicians, and equipment owners. This manual provides detailed service procedures, maintenance instructions, troubleshooting information, repair specifications, hydraulic system details, electrical diagrams, engine service data, and component adjustment procedures. It helps users perform accurate inspections, repairs, and routine maintenance to keep the Yanmar ViO57-6B excavator operating efficiently. Download this factory service manual PDF for professional repair and maintenance support. www.themanualsgroup.com

MODEL COVERED :   
Yanmar ViO57-6B Excavator

CONTENTS INCLUDED :
1. General Cautions for Maintenance Work

1-1 Correct Work

1-2 Safety Precautions

1-3 Preparations

1-4 Cautions for Disassembly and Reassembly

1-5 Cautions for Removal and Installation of Hydraulic Equipment

1-6 Cautions for Removal and Installation of Hydraulic Piping

1-7 Cautions for Handling Seals

1-8 Correct Installation of Hydraulic Hose

1-9 Specifications of Hydraulic Hose

1-10 Air Release of Hydraulic Equipment2. Technical Data

2-1 Specifications

2-2 Outline Drawing and Working Area

2-3 Weight List of Main Parts

2-4 Lifting Capacity List

2-5 Specifications for Attachment

2-6 Periodic Inspection and Servicing

2-7 Fuel, Lube Oil and Grease Recommended

2-8 Hydraulic Circuit Schematic

2-9 Wiring Diagram3. Service Standards

3-1 Machine Performance

3-2 Engine

3-3 Undercarriage

3-3-1 Rubber Crawler Specifications

3-4 Controls

3-5 Hydraulic Equipment

3-5-1 Hydraulic Cylinders

3-6 Implement

3-6-1 Front Attachments

3-6-2 Blade Moving Device

3-6-3 Bucket Teeth

3-7 List of Tightening Torque

3-7-1 Machine

3-7-2 Engine

3-7-3 Tightening Torque for General Bolts and Nuts

3-7-4 Hydraulic Fitting

3-8 Pressure Adjustment

3-8-1 Relief Valves

3-8-2 Swing Brake Valve

3-8-3 Cut-Off Valve4. Engine

4-1 Safety

4-1-1 Safety Statements

4-1-2 Safety Precautions

4-2 Engine

4-2-1 Before You Begin Servicing

4-2-2 Introduction

4-2-3 Special Service Tools

4-2-4 Measuring Instruments

4-2-5 Cylinder Head

4-2-6 Measuring and Adjusting Valve Clearance

4-2-7 Crankshaft and Camshaft Components

4-2-8 EGR system

4-2-9 Intake Throttle

4-3 Fuel System

4-3-1 Before You Begin Servicing

4-3-2 System Structure

4-3-3 Fuel System Specifications

4-3-4 Fuel System Diagram

4-3-5 Fuel System Components

4-4 Cooling System

4-4-1 Before You Begin Servicing

4-4-2 Introduction

4-4-3 Cooling System Diagram

4-4-4 Engine Coolant Pump Components

4-4-5 Engine Coolant System Check

4-4-6 Engine Coolant Pump

4-5 Lubrication System

4-5-1 Before You Begin Servicing

4-5-2 Introduction

4-5-3 Lubrication System Diagram

4-5-4 Checking Engine Oil Pressure

4-5-5 Oil Pump Components

4-6 Turbocharger

4-6-1 Before You Begin Servicing

4-6-2 Introduction

4-6-3 Specifications

4-6-4 Troubleshooting

4-6-5 Turbocharger Components

4-6-6 Turbocharger Component Functions

4-6-7 Washing Procedure

4-6-8 Periodic Inspection

4-7 Starter Motor

4-7-1 Before You Begin Servicing

4-7-2 Introduction

4-7-3 Starter Motor Specifications

4-7-4 Starter Motor Troubleshooting

4-7-5 Starter Motor Components

4-7-6 Starter Motor

4-8 Alternator

4-8-1 Before You Begin Servicing

4-8-2 Introduction

4-8-3 Alternator Specifications

4-8-4 Alternator Troubleshooting

4-8-5 Alternator Components

4-8-6 Alternator Wiring Diagram

4-8-7 Alternator Standard Output

4-8-8 Alternator

4-9 Electronic Control System

4-9-1 Engines available with the electronic control system

4-9-2 Before You Begin Servicing

4-9-3 System Structure

4-9-4 How to Remove and Reattach the Diesel Particulate Filter (DPF)

4-9-5 SF and DPF Maintenance Kit

4-9-6 Troubleshooting of Electronic Control System

4-9-7 Replacement of Components

4-9-8 Installation Position of Sensors

4-10 Electric Wiring

4-11 Failure Diagnosis.

4-11-1 Special Service Tools

4-11-2 Troubleshooting By Measuring Compression Pressure

4-12 Troubleshooting

4-12-1 Quick Reference Table for Troubleshooting5. Electric System

5-1 Electric Equipment of Machine

5-1-1 Parts Layout of Electrical Equipment

5-1-2 LCD Monitor and Alarm Systems

5-2 Circuit Description of Engine Start and Stop

5-3 Engine ECU (engine controller)

5-3-1 Engine ECU

5-3-2 Circuit Description of Auto Deceleration Mode

5-3-3 Circuit Description of Eco Mode

5-3-4 Control Functions

5-4 Battery

5-5 Error Code List6. Hydraulic Equipment

6-1 Outline

6-1-1 Control Valve Operation

6-1-2 Additional Operation of Control Valve

6-2 Circuit Operation

6-2-1 Boom

6-2-2 Arm

6-2-3 Bucket

6-2-4 Swing

6-2-5 Boom Swing

6-2-6 Blade

6-2-7 Travel

6-2-8 Non-Deviation Travel (with Boom, Arm or Boom Swing Operation)

6-2-9 Non-Deviation Travel (with Bucket Operation)

6-2-10 Simultaneous Operation of Boom Up and Arm Retract

6-2-11 Simultaneous Operation of Boom Up and Bucket

6-2-12 Simultaneous Operation of Boom Up and Swing

6-2-13 Simultaneous Operation of Arm and Bucket

6-2-14 Hydraulic P.T.O.

6-2-15 Travel Alarm

6-2-16 Auto Deceleration

6-3 Hydraulic Pump

6-4 Control Valve

6-5 Pilot Valve

6-6 Swing Motor

6-7 Travel Motor

6-8 Proportional solenoid valve for P.T.O7. Adjustment and Repair

7-1 Engine and Electric Equipment

7-1-1 Removal and Reinstallation of Engine

7-1-2 Removal and Reinstallation of Starter Motor

7-1-3 Removal and Reinstallation of Radiator and Oil Cooler

7-1-4 Removal and Reinstallation of Fan Belt and Compressor Driving Belt

7-1-5 Removal and Reinstallation of Engine ECU

7-2 Undercarriage

7-2-1 Outline

7-2-2 Main Parts

7-2-3 Points of Reassembly (Rubber Track)

7-2-4 Points of Reassembly (Steel Track)

7-2-5 Removal and Reinstallation of Crawler

7-2-6 Removal and Reinstallation of Travel Motor

7-2-7 Disassembly and Reassembly of Idler

7-2-8 Disassembly and Reassembly of Track Roller

7-2-9 Disassembly and Reassembly of Carrier Roller

7-2-10 Installation of Floating Seal

7-2-11 Drawings of Jig

7-3 Controls

7-3-1 Mechanical Control Linkage

7-3-2 Adjustment of Travel Levers

7-3-3 Adjustment of Boom Swing Pedal

7-3-4 Adjustment of Blade Lever

7-3-5 Adjustment of Lock Lever

7-4 Swing Bearing

7-5 Hydraulic Equipment

7-5-1 Removal and Reinstallation of Hydraulic Pump

7-5-2 Removal and Reinstallation of Control Valve

7-5-3 Removal and Reinstallation of Pilot Valves (L and R)

7-5-4 Removal and Reinstallation of Swing Motor

7-5-5 Removal and Reinstallation of Swivel Joint

7-5-6 Disassembly and Reassembly of Swivel Joint

7-5-7 Disassembly and Reassembly of Hydraulic Cylinder

7-5-8 Removal and Reinstallation of Hydraulic Oil Tank

7-5-9 Piping Layout

7-6 Work Implements

7-6-1 Removal and Reinstallation of Work Implements

7-7 Cabin

7-7-1 Removal and Reinstallation of Cabin

7-7-2 Disassembly and Reassembly of Cabin

7-8 Air Conditioner

7-8-1 Removal and Reinstallation of Air Conditioner8. Troubleshooting

8-1 Non-Breakdowns

8-1-1 Natural Release of Bucket

8-1-2 Discontinuous Arm Movement

8-1-3 Drifting of Upperstructure on Quick Travel Operation

8-1-4 Thermal Shock of Travel Motor

8-1-5 Elongation of Boom Swing Cylinder on 68 degrees Swing

8-1-6 Time Lag on Travel Speed Switching

8-1-7 Fluctuation in Oil Level of Hydraulic Oil Tank Due to Temperature Change

8-2 Quick Reference Table for Troubleshooting

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