Miller Maxstar 300 DX User Manual

Name: Miller Maxstar 300 DX
Brand: Miller
Rating: 4 (1 reviews)

86 pages

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And Non-CE Models

Processes

Description

TIG (GTAW) Welding

Stick (SMAW) Welding

Arc Welding Power Source

OM-2222 189 533U

February 2003

Maxstar 300 SD,

DX And LX

230/460 Volt Models W/AutolinkR

400 Volts Models

Visit our website at

www.MillerWelds.com

Table of Contents4
Section 5 - Maintenance and Troubleshooting57
Routine Maintenance57
Blowing out Inside of Unit57
Voltmeter/Ammeter Help Displays58
Troubleshooting59
Section 6 - Electrical Diagrams60
Section 7 - High Frequency62
Welding Processes Requiring High Frequency62
Incorrect Installation62
Correct Installation63
Section 8 - Selecting and Preparing64
Tungsten Electrode64
Selecting Tungsten Electrode64
Safety Information about Tungsten64
Preparing Tungsten for DC Electrode Negative (DCEN) Welding65
Section 9 - Guidelines for Tig Welding (Gtaw)66
Typical DC - GTAW 16 Gauge Stainless Steel Set-Up66
Positioning the Torch67
Lift-Arce and HF TIG Start Procedures68
Torch Movement During Welding69
Positioning Torch Tungsten for Various Weld Joints70
Section 10 - Stick Welding (Smaw) Guidelines71
10-1.Front Panel Display for Stick DCEP (Direct Current Electrode Positive)71
10-2.Electrode and Amperage Selection Chart72
10-3.Stick Welding Procedure73
10-4.Striking an Arc - Scratch Start Technique73
10-5.Striking an Arc - Tapping Technique73
10-6.Positioning Electrode Holder74
10-7.Poor Weld Bead Characteristics74
10-8.Good Weld Bead Characteristics74
10-9.Conditions that Affect Weld Bead Shape75
10-10.Electrode Movement During Welding75
10-11.Butt Joints76
10-12.Lap Joint76
10-13.T Ee Joint76
10-14.Weld Test77
10-15.Troubleshooting - Porosity77
10-16.Troubleshooting - Excessive Spatter77
10-17.Troubleshooting - Incomplete Fusion78
10-18.Troubleshooting - Lack of Penetration78
10-19.Troubleshooting - Excessive Penetration78
10-20.Troubleshooting - Burn through79
10-21.Troubleshooting - Waviness of Bead79
10-22.Troubleshooting - Distortion79
Section 11 - Parts List80
Options and Accessories86

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Miller Maxstar 300 DX Specifications

General

Brand	Miller
Model	Maxstar 300 DX
Category	Welding System
Language	English

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Miller Maxstar 300 DX User Manual

Table of Contents

Questions and Answers:

Miller Maxstar 300 DX Specifications

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