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Hobart Welding Products Champion 8500 User Manual

Hobart Welding Products Champion 8500
56 pages
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OM-493 191 021
July 1998
Champion 8500
Processes
Description
Non-Critical TIG (GTAW)
Welding
Stick (SMAW) Welding
Engine Driven Welding Generator

Table of Contents

Questions and Answers:

Hobart Welding Products Champion 8500 Specifications

General IconGeneral
ModelChampion 8500
Frequency60 Hz
Fuel TypeGasoline
TypeEngine Driven Welder/Generator
Max Output8500 watts
Welding ProcessStick, TIG
Rated Output6500 watts
Auxiliary Power120/240 Volts
Voltage120/240V
PhasesSingle Phase

Summary

Section 1 - Safety Precautions - Read Before Using

1-1. Symbol Usage

Explains the meaning of safety symbols used throughout the manual.

1-2. Arc Welding Hazards

Details dangers associated with arc welding processes like electric shock and fumes.

1-3. Engine Hazards

Outlines hazards related to the engine, such as fuel, heat, noise, and exhaust.

1-4. Additional Symbols for Installation, Operation, and Maintenance

Covers supplementary safety symbols for installation, operation, and maintenance procedures.

1-5. Principal Safety Standards

Lists key safety standards and codes relevant to welding and cutting equipment.

1-6. EMF Information

Discusses electromagnetic fields and their potential effects, offering mitigation procedures.

Section 2 – Definitions

2-1. Symbol Definitions

Provides definitions for symbols used in the manual, aiding in understanding technical terms.

Section 3 – Specifications

3-1. Weld, Power, and Engine Specifications

Details technical specifications for welding output, power generation, and the engine.

3-2. Dimensions, Weights, and Operating Angles

Lists the physical dimensions, weight, and recommended operating angles of the unit.

3-3. Auxiliary Power Curve

Illustrates the relationship between AC power output in amperes and voltage.

3-4. Fuel Consumption

Shows fuel consumption rates for different operating modes and welding amperages.

3-5. Duty Cycle

Explains the duty cycle percentage for continuous welding at rated load without overheating.

3-6. Volt-Ampere Curve

Displays the generator's voltage and amperage output capabilities across different ranges.

Section 4 – Installation

4-1. Installing Welding Generator

Provides instructions and considerations for properly installing the welding generator.

4-2. Engine Prestart Checks

Details essential checks to perform on the engine before starting for safe operation.

4-3. Activating The Dry Charge Battery (If Applicable)

Guides on how to activate a dry charge battery before installation and use.

4-4. Connecting the Battery

Step-by-step instructions for correctly connecting the battery to the generator.

4-5. Installing Exhaust Pipe

Instructions for securely installing the exhaust pipe, considering direction and safety.

4-6. Connecting to Weld Output Terminals

Explains how to connect cables to the weld output terminals for proper operation.

4-7. Selecting Weld Cable Sizes

Provides a chart to help select the appropriate weld cable size based on amperage and length.

Section 5 – Operating The Welding Generator

5-1. Front Panel Controls

Identifies and explains the function of each control on the generator's front panel.

Section 6 – Operating Auxiliary Equipment

6-1. Standard Receptacles

Details the standard auxiliary power receptacles and their specifications.

6-2. Optional Auxiliary Power Receptacles

Describes optional auxiliary power receptacles and their features like GFCI protection.

Section 7 – Maintenance

7-1. Routine Maintenance

Outlines a schedule for regular maintenance tasks to keep the unit in optimal condition.

7-2. Maintenance Label

Explains the information provided on the maintenance label for the engine and unit.

7-3. Servicing Air Cleaner

Step-by-step guide on how to service the air cleaner element and wrapper.

7-4. Overload Protection

Details the overload protection mechanisms, including fuses, and how to check them.

7-5. Changing Engine Oil, Oil Filter, and Fuel Filter

Provides instructions for changing the engine oil, oil filter, and fuel filter.

7-6. Adjusting Engine Speed

Guides on how to adjust engine speed for idle and weld/power operations.

7-7. Servicing Optional Spark Arrestor

Instructions for cleaning and inspecting the optional spark arrestor screen.

Section 8 – Troubleshooting

A. Welding

Lists common welding-related problems and their remedies.

B. Auxiliary Power

Provides solutions for issues related to auxiliary power output and receptacles.

C. Engine

Covers troubleshooting steps for various engine starting, running, and stopping issues.

Section 9 – Electrical Diagram

Figure 9-1. Circuit Diagram For Welding Generator

Presents the detailed electrical circuit diagram of the welding generator.

Section 10 – Auxiliary Power Guidelines

10-1. Selecting Equipment

Guidelines for selecting auxiliary equipment compatible with the generator's power output.

10-2. Grounding Generator To Truck Or Trailer Frame

Instructions on how to properly ground the generator when mounted on a vehicle frame.

10-3. Grounding When Supplying Building Systems

Explains how to ground the generator when supplying power to building systems.

10-4. How Much Power Does Equipment Require?

Guides on calculating the power requirements for various types of equipment.

10-5. Approximate Power Requirements For Industrial Motors

Provides approximate power requirements for different types of industrial motors.

10-6. Approximate Power Requirements For Farm/Home Equipment

Lists approximate power needs for common farm and home equipment.

10-7. Approximate Power Requirements For Contractor Equipment

Details approximate power requirements for various contractor tools and equipment.

10-8. Power Required To Start Motor

Explains how to determine the starting amperage required for motors.

10-9. How Much Power Can Generator Supply?

Advises on generator load limits and starting non-resistive loads.

10-10. Typical Connections To Supply Standby Power

Illustrates typical connections for supplying standby power during emergencies.

10-11. Selecting Extension Cord (Use Shortest Cord Possible)

Provides guidance on selecting appropriate extension cords based on load and length.

Section 11 – Stick Welding (SMAW) Guidelines

11-1. Stick Welding Procedure

Describes the step-by-step procedure for performing stick welding.

11-2. Electrode and Amperage Selection Chart

Offers a chart for selecting electrodes and appropriate amperage settings.

11-3. Striking an Arc – Scratch Start Technique

Explains the scratch start technique for striking a welding arc.

11-4. Striking an Arc – Tapping Technique

Details the tapping technique for initiating a welding arc.

11-5. Positioning Electrode Holder

Illustrates proper positioning of the electrode holder for various weld types.

11-6. Poor Weld Bead Characteristics

Shows examples and explanations of common defects in weld beads.

11-7. Good Weld Bead Characteristics

Demonstrates characteristics of a good quality weld bead and its formation.

11-8. Conditions That Affect Weld Bead Shape

Explains factors like electrode angle, arc length, and travel speed affecting weld bead shape.

11-9. Electrode Movement During Welding

Describes different electrode movements (stringer, weave) for welding.

11-10. Butt Joints

Covers techniques and considerations for making butt welds.

11-11. Lap Joint

Explains the procedure and best practices for creating lap joints.

11-12. Tee Joint

Details the method for performing tee joints, including multi-layer deposits.

11-13. Weld Test

Describes a simple test to evaluate the quality of a weld joint.

11-14. Troubleshooting – Porosity

Identifies causes and corrective actions for porosity in weld metal.

11-15. Troubleshooting – Excessive Spatter

Addresses excessive spatter during welding, listing causes and solutions.

11-16. Troubleshooting – Incomplete Fusion

Explains how to resolve issues with incomplete fusion in weld metal.

11-17. Troubleshooting – Lack Of Penetration

Provides guidance on fixing problems related to lack of penetration in welds.

11-18. Troubleshooting – Excessive Penetration

Details how to correct excessive penetration issues in welding.

11-19. Troubleshooting – Burn-Through

Offers solutions for preventing and fixing burn-through during welding.

11-20. Troubleshooting – Waviness Of Bead

Addresses issues causing waviness in the weld bead and how to correct them.

11-21. Troubleshooting – Distortion

Explains how to manage and correct distortion caused by welding.

Section 12 – Parts List

Figure 12-1. Main Assembly

Illustrated breakdown of the main assembly components with part numbers.

Figure 12-2. Panel, Front w/Components

Diagram showing the front panel components, including controls and receptacles.

Figure 12-3. Generator

Exploded view of the generator unit, detailing its internal parts.

Hobart Warranty

LIMITED WARRANTY

Outlines the terms and conditions of the manufacturer's limited warranty.

Warranty Periods

Specifies the duration of warranty coverage for different parts and labor.

Warranty Limitations

Details exclusions and limitations to the provided warranty coverage.

Owner's Record

Resources Available

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