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Manuals
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Miller Manuals
Welding System
Dynasty 300 SD
Owner's manual
Miller Dynasty 300 SD 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 − DEFINITIONS (CE Models Only)
Manufacturer's Rating Labels
Symbols and Definitions
Section 4 − Installation
Specifications
Volt-Ampere Curves
Duty Cycle and Overheating
Selecting a Location
115 Volts AC Duplex Receptacle, Supplementary Protector CB1 (Optional), and Power Switch
Weld Output Terminals and Selecting Cable Sizes
Remote 14 Receptacle Information
Gas Connections
TIG HF Impulse/ Lift-Arct Connections
Stick Connections
Electrical Service Guide
Connecting 3-Phase Input Power
Connecting 1-Phase Input Power
Section 5 − Operation
Controls
Encoder Control
Amperage Control
Ammeter and Parameter Display
Voltmeter
Polarity Control (Dynastyt Models Only)
Process Control
Lift-Arce and HF TIG Start Procedures
Output Control
Pulser Control (DX and LX Models)
Sequencer Controls (DX, LX and All CE Models)
Adjust Controls (Preflow/Post Flow/Dig/Purge)
AC Waveshape (Dynasty Models Only)
Spot Time Control (Reconfigured RMT 2T HOLD Output Selection) (All Models)
Memory (Program Storage Locations 1-4) (DX and LX Models if Available)
Setting Preflow Time for Use with TIG HF Impulse on Models that Do Not Have a Preflow Control on the Front Panel
Factory Parameter Defaults and Range and Resolution
Resetting Unit to Factory Default Settings (All Models)
Section 6 − Advanced Functions
Programmable TIG Start Parameters (Polarity, Amperage and Time)
Output Control and Trigger Functions
Arc Timer/Counter Display (All Models)
Lockout Functions
Setting Unit to Display PPP While Pulse Welding (DX and LX Models Only)
Stick Open-Circuit Voltage (OCV) Selection (All Models)
Section 7 − Maintenance and Troubleshooting
Blowing out Inside of Unit
Voltmeter/Ammeter Help Displays
Troubleshooting
Section 8 − Electrical Diagram
Section 9 − High Frequency (Hf)
Welding Processes Requiring High Frequency
Correct Installation
Section 10 − Selecting and Preparing Tungsten Electrode for DC or Ac Welding
Selecting Tungsten Electrode (Wear Clean Gloves to Prevent Contamination of Tungsten)
Preparing Tungsten Electrode for Welding
Section 11 − Guidelines for Tig Welding (Gtaw)
Typical GTAW Set-Ups
Positioning the Torch
Lift-Arce and HF TIG Start Procedures
Torch Movement During Welding
Positioning Torch Tungsten for Various Weld Joints
Section 12 − Stick Welding (Smaw) Guidelines
Front Panel Display for Stick DCEP (Direct Current Electrode Positive)
Electrode and Amperage Selection Chart
Stick Welding Procedure
Striking an Arc − Scratch Start Technique
Striking an Arc − Tapping Technique
Positioning Electrode Holder
Poor Weld Bead Characteristics
Good Weld Bead Characteristics
Conditions that Affect Weld Bead Shape
Electrode Movement During Welding
Butt Joints
Lap Joint
Tee Joint
Weld Test
Troubleshooting − Porosity
Troubleshooting − Excessive Spatter
Troubleshooting − Incomplete Fusion
Troubleshooting − Lack of Penetration
Troubleshooting − Excessive Penetration
Troubleshooting − Burn-Through
Troubleshooting − Waviness of Bead
Troubleshooting − Distortion
Section 13 − Parts List
Options and Accessories
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Troubleshooting
2
Section 8 − Electrical Diagram
Download this manual
Visit our website at
www.MillerWelds.com
Dynasty 300 SD,
DX And LX
OM-358
2006−05
Processes
TIG (GTAW) Welding
Stick (SMAW) Welding
Description
230/460 Volt Models W/Auto-Link®
400 Volt Models
Arc Welding Power Source
R
And Non-CE Models
File: TIG (GTAW)
188 291AG
Table of
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Table of Contents
Troubleshooting
SECTION 7 − MAINTENANCE AND TROUBLESHOOTING
51
Voltmeter/Ammeter Help Displays
52
Weld Test
70
Troubleshooting − Incomplete Fusion
71
Troubleshooting − Burn-Through
72
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This manual is also suitable for:
Dynasty 300 dx
Dynasty 300 lx
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