Miller Electric
XLT 165, XLT 135, XLT 135, XLT 165
warranty
Troubleshooting
Specifications
Poor Weld Bead Characteristics
Install
Parts list
Electrical Diagram
Symbol Usage
Threading Welding Wire
Warranty
Flow Adjust
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Contents
Description
OM-198 076A
Processes
April
Page
Table of Contents
Page
Arc Welding Hazards
Symbol Usage
Marks a special safety message
Electric Shock can kill
Flying Metal can injure eyes
ARC Rays can burn eyes and skin
Welding can cause fire or explosion
Buildup of GAS can injure or kill
Principal Safety Standards
EMF Information
About Pacemakers
UN Choc Électrique peut tuer
Signification des symboles
− Consignes DE Securite − Lire Avant Utilisation
LES Fumées ET LES GAZ peuvent être dangereux
DES Pièces Chaudes peuvent pro- voquer des brûlures graves
LE Soudage peut provoquer un incendie ou une explosion
DES Particules Volantes peuvent blesser les yeux
LE Bruit peut affecter l’ouïe
’EMPLOI Excessif peut
Risque D’INCENDIE OU
LA Chute DE L’APPAREIL peut blesser
DES Organes Mobiles peuvent provoquer des blessures
Consignes relatives aux stimulateurs cardiaques
Principales normes de sécurité
Information sur les champs électromagnétiques
VAC Model
− Specifications
Specifications
Output Amperes
Duty Cycle And Overheating
Output Duty Cycle %
Overheating
Volt-Ampere Curves
− Installation
Installing Welding Gun Installing Work Clamp
Process/Polarity Table
Changing Polarity
CO2 Adapter Customer Sup- plied
Installing Gas Supply
Flow Adjust
Regulator/flowmeter and CO2 cylinder CO2 Gas
Volt, 20 ampere individual
Rating Label
Grounded Receptacle
Up to 200 ft 61 m
Receptacle
Do not move or operate unit where it could tip
Plug
See Section
Standard Wire Spool 8 Lb Wire Spool 4
Electrical Service Guide For 230 VAC Model
Installing Wire Spool And Adjusting Hub Tension
Adjusting Hub Tension
Threading Welding Wire
− Operation
Voltage Switch
Power Switch OM-198 076
Controls
Weld Parameters For 115 VAC Model
Weld Parameters For 230 VAC Model
Overload Protection
− Maintenance &TROUBLESHOOTING
Routine Maintenance
Drive Motor Protection
Replacing Gun Contact Tip
Changing Drive Roll Or Wire Inlet Guide
Turn Off power before replacing contact tip
To Reassemble Gun
Cleaning Or Replacing Gun Liner
Disconnect gun from unit
Replacing Switch And/Or Head Tube
Does not run
Troubleshooting Table
Trouble Remedy
− Electrical Diagram
Circuit Diagram For 115 VAC Model
Circuit Diagram For 230 VAC Model
− MIG Welding Gmaw Guidelines
Typical MIG Process Connections
Select Wire Size Recommendation Wire Speed
Typical MIG Process Control Settings
Wire Size Amperage Range
Select Voltage
Holding And Positioning Welding Gun
Short Normal Long
Conditions That Affect Weld Bead Shape
Push Perpendicular Drag
ShortNormalLong
Gun Movement During Welding
Poor Weld Bead Characteristics
Good Weld Bead Characteristics
Troubleshooting − Excessive Penetration
Troubleshooting − Excessive Spatter
Troubleshooting − Porosity
Possible Causes Corrective Actions
Troubleshooting − Burn-Through
Troubleshooting − Lack Of Penetration
Troubleshooting − Incomplete Fusion
Base metal to move
Troubleshooting − Waviness Of Bead
Troubleshooting − Distortion
Direction
Flat & Horizontal1 Fillet
Common MIG Shielding Gases
Application
− Parts List
Main Assembly
Dia Part Description Quantity Mkgs
Gun
024 .6 and .045
042
024 .6 and .030/.035 .8
Page
Warranty
Owner’s Record
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