Miller Electric
180, M-10 Gun, 140 Auto-Set
manual
Troubleshooting
Specs
Poor Weld Bead Characteristics
Install
Parts list
Electrical Diagram
Symbol Usage
Threading Welding Wire
Maintenance
How to
Page 58
Notes
Page 57
Page 59
Image 58
Page 57
Page 59
Contents
Description
OM-225 311C
Processes
File MIG Gmaw
From Miller to You
Table of Contents
− Maintenance &TROUBLESHOOTING
− Parts List
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
California Proposition 65 Warnings
EMF Information
Principal Safety Standards
About Pacemakers
LES Fumées ET LES GAZ peuvent être dangereux
UNE Décharge Électrique peut entraîner la mort
Indique un message de sécurité particulier
DES Pièces Chaudes peuvent provoquer des brûlures graves
LE Soudage peut provoquer un incendie ou une explosion
DES Particules Volantes peuvent blesser les yeux
LE Bruit peut endommager l’ouïe
’EMPLOI Excessif peut SUR
Risque D’INCENDIE OU D’EXPLO
LA Chute DE L’APPAREIL peut blesser
DES Organes Mobiles peuvent provoquer des blessures
Principales normes de sécurité
En ce qui concerne les stimulateurs cardiaques
VAC Model
− Specifications
Specifications
VAC Model w/Auto−SetE
230 VAC Model
Duty Cycle And Overheating
115 VAC Model
Overheating
Volt-Ampere Curves
Amperage
Installing Welding Gun
− Installation
Incorrect
Process/Polarity Table
Work Cable Routing Inside Unit
Changing Polarity
Installing Gas Supply
Volatile liquids are present −
Special installation may be
Required where gasoline or
See NEC Article 511 or CEC
Do not move or operate unit where it could tip
Installing Wire Spool And Adjusting Hub Tension
Electrical Service Guide For 230 VAC Model
Input Voltage 230 Input Amperes At Rated Output
Threading Welding Wire
Remove gun nozzle and contact tip
Cut Off End Of Wire Open Pressure Assembly Knob
Removing MIG Gun From Welding Power Source
End Of Wire To Spool
Installing Optional Spool Gun Switch In Welding Power Source
Operation
Connecting Spool Gun To Millermatic 140/180
− Operation
Controls For 115 VAC Model w/Auto-SetE
Controls For 115 VAC Model
115V
Controls For 230 VAC Model
230V
OM-225 311
Weld Parameter Chart For 115 VAC Model w/Auto−SetE
10/90 10/65 10/80 10/60 10/50 10/95 10/75 10/100
030 0.8 mm 035 0.9 mm
Aluminum 100% Argon 4043ER
10/32
OM-225 311
10/90 10/45 10/60 10/30 10/32 10/80
030 0.8 mm
035 0.9 mm
#220179
#220179 #202926
Dcep Dcen
100 10/60 10/45 10/40 10/20 10/50
024 0.6 mm #220179 030 0.8 mm #202926 035 0.9 mm 045 1.2 mm
Overload Protection
− Maintenance &TROUBLESHOOTING
Routine Maintenance
Drive Motor Protection
Turn Off power before replacing contact tip
Changing Drive Roll Or Wire Inlet Guide
Replacing Gun Contact Tip
Disconnect gun from unit
Cleaning Or Replacing Gun Liner
To Reassemble Gun
Replacing Switch And/Or Head Tube
Troubleshooting Table
Trouble Remedy
OM-225 311
− Electrical Diagram
Circuit Diagram
234 419-B
− MIG Welding Gmaw Guidelines
Typical MIG Process Connections
Select Wire Size
Typical MIG Process Control Settings
Wire Recommendation Wire Speed
Select Voltage
Holding And Positioning Welding Gun
Conditions That Affect Weld Bead Shape
Good Weld Bead Characteristics
Poor Weld Bead Characteristics
Gun Movement During Welding
Troubleshooting − Porosity
Troubleshooting − Excessive Spatter
Possible Causes Corrective Actions
Troubleshooting − Lack Of Penetration
Troubleshooting − Excessive Penetration
Troubleshooting − Incomplete Fusion
Troubleshooting − Waviness Of Bead
Troubleshooting − Burn-Through
Troubleshooting − Distortion
Application
Common MIG Shielding Gases
Flat & Horizontal1 Fillet
Optional Drive Rolls
− Parts List
Recommended Spare Parts
Options
Page
Service
Support
Owner’s Record
Miller Electric Mfg. Co
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