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Manuals
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Miller Manuals
Welding System
Millermatic 140
Owner's manual
Miller Millermatic 140 Owner's Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1 − Safety Precautions - Read before Using
Symbol Usage
Arc Welding Hazards
Additional Symbols for Installation, Operation, and Maintenance
California Proposition 65 Warnings
Principal Safety Standards
EMF Information
Section 2 − Consignes de Sécurité − Lire Avant Utilisation
Symboles Utilisés
Dangers Relatifs Au Soudage À L'arc
Dangers Supplémentaires en Relation Avec L'installation, Le Fonctionnement Et la Maintenance
Proposition Californienne 65 Avertissements
Principales Normes de Sécurité
Information EMF
Section 3 − Specifications
Specifications
Duty Cycle and Overheating
Volt-Ampere Curves
Section 4 − Installation
Installing Welding Gun
Installing Work Clamp
Work Cable Routing Inside Unit
Process/Polarity Table
Changing Polarity
Installing Gas Supply
Selecting a Location and Connecting Input Power for 115 VAC Model
Selecting a Location and Connecting Input Power for 230 VAC Model
Electrical Service Guide for 230 VAC Model
Installing Wire Spool and Adjusting Hub Tension
Threading Welding Wire
Section 5 − Operation
Controls for 115 VAC Model W/Auto−Sett
Controls for 115 VAC Model
Controls for 230 VAC Model
Weld Parameter Chart for 115 VAC Model W/Auto−Sett
Weld Parameter Chart for 115 VAC Model W/Factory Set
Non-Wire Speed Tracking Mode
Weld Parameter Chart for 115 VAC Model W/Wire Speed Tracking Mode
Weld Parameter Chart for 230 VAC Model W/Factory Set
Non-Wire Speed Tracking Mode
Weld Parameter Chart for 230 VAC Model W/Wire Speed Tracking Mode
Section 6 − Maintenance &Troubleshooting
Routine Maintenance
Overload Protection
Drive Motor Protection and Tip Saver/Short Circuit Protection
Changing Drive Roll or Wire Inlet Guide
Replacing Gun Contact Tip
Cleaning or Replacing Gun Liner
Replacing Switch And/Or Head Tube
Troubleshooting Table
Section 7 − Electrical Diagram
Section 8 − Mig Welding (Gmaw) Guidelines
Typical MIG Process Connections
Typical MIG Process Control Settings
Holding and Positioning Welding Gun
Conditions that Affect Weld Bead Shape
Gun Movement During Welding
Poor Weld Bead Characteristics
Good Weld Bead Characteristics
Troubleshooting − Excessive Spatter
Troubleshooting − Porosity
Troubleshooting − Excessive Penetration
Troubleshooting − Lack of Penetration
Troubleshooting − Incomplete Fusion
Troubleshooting − Burn-Through
Troubleshooting − Waviness of Bead
Troubleshooting − Distortion
Common MIG Shielding Gases
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Quick Links
1
Specifications
2
Installing Welding Gun
3
Installing Wire Spool and Adjusting Hub Tension
4
Changing Drive Roll or Wire Inlet Guide
5
Troubleshooting Table
6
Section 7 − Electrical Diagram
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Visit our website at
www.MillerWelds.com
Millermatic 140,
140 Auto−Set , And 180
And M-10 Gun
OM-225 311A
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Arc Welding Power Source And
Wire Feeder
R
™
File: MIG (GMAW)
2006−10
Table of
Contents
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Table of Contents
Troubleshooting
SECTION 6 − MAINTENANCE &TROUBLESHOOTING
36
Troubleshooting Table
40
Troubleshooting − Excessive Spatter
49
Troubleshooting − Excessive Penetration
50
Troubleshooting − Burn-Through
51
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This manual is also suitable for:
Millermatic 140 auto-set
M-10
Millermatic 180
Millermatic 180 auto-set
Millermatic m-10 gun
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