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Miller TM-268 - User Manual

Miller TM-268
44 pages
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Description
Belt-Driven Generator
TM-268 819A 2014−11
Eff. w/MD040275R And Following
4 kW And 7.5 kW
Belt-Drive Generators
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Summary

Section 1 - Safety Precautions for Servicing

1-1. Symbol Usage

Explains symbols used throughout the manual to denote hazards and warnings.

1-2. Servicing Hazards

Details various hazards encountered during unit servicing, including electrical, mechanical, and environmental risks.

1-3. California Proposition 65 Warnings

Provides legally mandated warnings regarding chemicals known to cause birth defects or cancer.

1-4. EMF Information

Discusses electromagnetic fields generated by the welding circuit and potential interference with medical implants.

Section 2 - Definitions

2-1. Additional Safety Symbols And Definitions

Defines specific safety symbols used in the manual, such as those for moving parts.

2-2. Miscellaneous Symbols And Definitions

Explains various electrical and operational symbols, including circuit breakers, voltage, and current.

Section 3 - Specifications

3-1. Description

Provides a general overview of the belt-driven generator's function and components.

3-2. 4 kW Model Specifications

Lists technical specifications, dimensions, and output for the 4 kW generator models.

3-3. 7.5 kW Model Specifications

Lists technical specifications, dimensions, and output for the 7.5 kW generator models.

3-4. AC Power Curve

Illustrates the relationship between voltage and current for the generator models under different conditions.

Section 4 - Maintenance and Troubleshooting

4-1. Maintenance Schedule

Outlines recommended maintenance tasks and intervals for the generator unit.

4-2. Overload Protection

Explains the overload protection mechanism, typically a circuit breaker, for the generator.

Section 5 - 4 kW Models Theory of Operation

Section 6 - 7.5 kW Models Theory of Operation

Section 7 - Troubleshooting 4 kW Generator

7-1. Troubleshooting Table

A guide to identify common generator problems and their solutions for 4 kW models.

7-2. Field Flashing

Procedures for re-establishing the generator's magnetic field when output is lost.

Section 8 - Troubleshooting 7.5 kW Generator

8-1. Troubleshooting Table

A guide to identify common generator problems and their solutions for 7.5 kW models.

8-2. Troubleshooting Circuit Diagram For Welding Generator

Provides a detailed circuit diagram for diagnosing issues in the 7.5 kW generator.

8-3. Waveforms For Section 8-2

Displays expected output waveforms for proper generator operation and troubleshooting.

8-4. Power Board PC1 Testing Information

Instructions and guidance for testing the Power Board PC1 component.

8-5. Power Board PC1 Test Point Values

Lists specific voltage and signal values to check on the Power Board PC1 for diagnostics.

8-6. Control Board PC2 Testing Information

Instructions and guidance for testing the Control Board PC2 component.

8-7. Control Board PC2 Test Point Values

Lists specific voltage and signal values to check on the Control Board PC2 for diagnostics.

8-8. Inspecting Brushes, Replacing Brushes, And Cleaning Slip Rings

Describes the process for inspecting, replacing, and cleaning generator brushes and slip rings.

8-9. Setting Control Board PC2 For 50 Hz Operation

Instructions for configuring the Control Board PC2 for 50 Hz frequency operation.

8-10. Checking Unit Output After Servicing

Procedures for verifying generator output and performing post-service checks.

Section 9 - Disassembly and Reassembly

9-1. Disassembling;Reassembling 4 kW Generator

Step-by-step guide for taking apart and putting back together the 4 kW generator.

9-2. Disassembling;Reassembling 7.5 kW Generator

Step-by-step guide for taking apart and putting back together the 7.5 kW generator.

Section 10 - Electrical Diagrams

Section 11 - 4 kW Model EFF w;ME131503 R

Section 12 - 7.5 kW Model EFF w;MD040275 R

Summary

Section 1 - Safety Precautions for Servicing

1-1. Symbol Usage

Explains symbols used throughout the manual to denote hazards and warnings.

1-2. Servicing Hazards

Details various hazards encountered during unit servicing, including electrical, mechanical, and environmental risks.

1-3. California Proposition 65 Warnings

Provides legally mandated warnings regarding chemicals known to cause birth defects or cancer.

1-4. EMF Information

Discusses electromagnetic fields generated by the welding circuit and potential interference with medical implants.

Section 2 - Definitions

2-1. Additional Safety Symbols And Definitions

Defines specific safety symbols used in the manual, such as those for moving parts.

2-2. Miscellaneous Symbols And Definitions

Explains various electrical and operational symbols, including circuit breakers, voltage, and current.

Section 3 - Specifications

3-1. Description

Provides a general overview of the belt-driven generator's function and components.

3-2. 4 kW Model Specifications

Lists technical specifications, dimensions, and output for the 4 kW generator models.

3-3. 7.5 kW Model Specifications

Lists technical specifications, dimensions, and output for the 7.5 kW generator models.

3-4. AC Power Curve

Illustrates the relationship between voltage and current for the generator models under different conditions.

Section 4 - Maintenance and Troubleshooting

4-1. Maintenance Schedule

Outlines recommended maintenance tasks and intervals for the generator unit.

4-2. Overload Protection

Explains the overload protection mechanism, typically a circuit breaker, for the generator.

Section 5 - 4 kW Models Theory of Operation

Section 6 - 7.5 kW Models Theory of Operation

Section 7 - Troubleshooting 4 kW Generator

7-1. Troubleshooting Table

A guide to identify common generator problems and their solutions for 4 kW models.

7-2. Field Flashing

Procedures for re-establishing the generator's magnetic field when output is lost.

Section 8 - Troubleshooting 7.5 kW Generator

8-1. Troubleshooting Table

A guide to identify common generator problems and their solutions for 7.5 kW models.

8-2. Troubleshooting Circuit Diagram For Welding Generator

Provides a detailed circuit diagram for diagnosing issues in the 7.5 kW generator.

8-3. Waveforms For Section 8-2

Displays expected output waveforms for proper generator operation and troubleshooting.

8-4. Power Board PC1 Testing Information

Instructions and guidance for testing the Power Board PC1 component.

8-5. Power Board PC1 Test Point Values

Lists specific voltage and signal values to check on the Power Board PC1 for diagnostics.

8-6. Control Board PC2 Testing Information

Instructions and guidance for testing the Control Board PC2 component.

8-7. Control Board PC2 Test Point Values

Lists specific voltage and signal values to check on the Control Board PC2 for diagnostics.

8-8. Inspecting Brushes, Replacing Brushes, And Cleaning Slip Rings

Describes the process for inspecting, replacing, and cleaning generator brushes and slip rings.

8-9. Setting Control Board PC2 For 50 Hz Operation

Instructions for configuring the Control Board PC2 for 50 Hz frequency operation.

8-10. Checking Unit Output After Servicing

Procedures for verifying generator output and performing post-service checks.

Section 9 - Disassembly and Reassembly

9-1. Disassembling;Reassembling 4 kW Generator

Step-by-step guide for taking apart and putting back together the 4 kW generator.

9-2. Disassembling;Reassembling 7.5 kW Generator

Step-by-step guide for taking apart and putting back together the 7.5 kW generator.

Section 10 - Electrical Diagrams

Section 11 - 4 kW Model EFF w;ME131503 R

Section 12 - 7.5 kW Model EFF w;MD040275 R

Miller TM-268 Specifications

General IconGeneral
Starting SystemRecoil Start
Noise Level68 dB
AC Output120V
DC Output12V, 8.3A
EngineOHV 4-Stroke

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