Miller Electric
HF-251D-1, HF-251-2
manual
Troubleshooting
Specification
Install
Parts list
Electrical Diagrams
Postflow Timer
Symbol Usage
Connecting Input Power
Maintenance
Complete Assembly Part 1
Page 36
Page 35
Page 37
Image 36
Page 35
Page 37
Contents
OM-611
Processes
Description
From Miller to You
Table of Contents
Page
Symbol Usage
Marks a special safety message
Arc Welding Hazards
Electric Shock can kill
ARC Rays can burn eyes and skin
Welding can cause fire or explosion
Flying Metal can injure eyes
Buildup of GAS can injure or kill
California Proposition 65 Warnings
Principal Safety Standards
EMF Information
About Pacemakers
Identifie un message de sécurité particulier
− Consignes DE Sécurité − À Lire Avant Utilisation
LE Soudage peut causer un incen- die ou une explosion
LES Particules Projetées peu- vent blesser les yeux
LES Pièces Chaudes peuvent cau- ser des brûlures graves
LE Bruit peut affecter l’ouïe
Risque D’INCENDIE OU D’EXPLO
LA Chute DE L’APPAREIL peut blesser
’EMPLOI Excessif peut Faire
LES Pièces Mobiles peuvent cau- ser des blessures
Principales normes de sécurité
Information sur les champs électromagnétiques
Consignes relatives aux stimulateurs cardiaques
− Installation
Specifications
Typical Process Connections
Installing Gas Supply
IN-GAS-OUT
Power Source Plug Information And Connections
Amperage Control
Operator Control Receptacle Information And Connections
Operator Control Receptacle Socket Information
Socket
Connecting To Weld Output Terminals
Electrode Electrode OUT Work INPUT/OUTPUT
Connecting Input Power
High Frequency Switch
High Frequency Selector Switch
− Operation
Controls
Power Switch And Pilot Light
Postflow Timer
High Frequency Intensity Control
Shielding Gas
− Maintenance & Troubleshooting
Routine Maintenance Months
Adjusting Spark Gaps
Troubleshooting
Trouble Remedy
− Electrical Diagrams
Circuit Diagram For 115 Volts Model
Circuit Diagram For 230 Volts Model
Incorrect Installation
− High Frequency
Welding Processes Requiring High Frequency
Weld Zone
Correct Installation
Metal Building
Metal Building Requirements
Amperage Range Gas Type Polarity
AC − Argon AC − Argon −
− Guidelines for TIG Welding Gtaw
Preparing Tungsten Electrode For Welding
Positioning The Torch
Preparing Tungsten For Conventional AC Welding
Torch Movement During Welding
Positioning Torch Tungsten For Various Weld Joints
Tungsten Without Filler Rod
Tungsten With Filler Rod
Return To Table Of Contents
− Parts List
Complete Assembly Part 1 of 2 115V Model
Complete Assembly Part 1
Complete Assembly Part 2 of 2 115V Model
Complete Assembly Part 2
Page
Page
Page
Service
Support
Owner’s Record
Miller Electric Mfg. Co