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Miller Electric
140 Auto-Set, M-10 Gun, 180 manual 234 419-B
Models:
140 Auto-Set
140
M-10 Gun
180
1
47
60
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Troubleshooting
Specifications
Poor Weld Bead Characteristics
Install
Parts list
Electrical Diagram
Symbol Usage
Threading Welding Wire
Maintenance
How to
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234
419-B
OM-225
311 Page 43
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Contents
File MIG Gmaw
OM-225 311C
Processes
Description
From Miller to You
Table of Contents
− Parts List
− Maintenance &TROUBLESHOOTING
Electric Shock can kill
Symbol Usage
Marks a special safety message
Arc Welding Hazards
Buildup of GAS can injure or kill
ARC Rays can burn eyes and skin
Welding can cause fire or explosion
Flying Metal can injure eyes
California Proposition 65 Warnings
About Pacemakers
Principal Safety Standards
EMF Information
Indique un message de sécurité particulier
UNE Décharge Électrique peut entraîner la mort
LES Fumées ET LES GAZ peuvent être dangereux
LE Bruit peut endommager l’ouïe
LE Soudage peut provoquer un incendie ou une explosion
DES Particules Volantes peuvent blesser les yeux
DES Pièces Chaudes peuvent provoquer des brûlures graves
DES Organes Mobiles peuvent provoquer des blessures
Risque D’INCENDIE OU D’EXPLO
LA Chute DE L’APPAREIL peut blesser
’EMPLOI Excessif peut SUR
En ce qui concerne les stimulateurs cardiaques
Principales normes de sécurité
VAC Model w/Auto−SetE
− Specifications
Specifications
VAC Model
Overheating
Duty Cycle And Overheating
115 VAC Model
230 VAC Model
Amperage
Volt-Ampere Curves
Incorrect
− Installation
Installing Welding Gun
Changing Polarity
Work Cable Routing Inside Unit
Process/Polarity Table
Installing Gas Supply
See NEC Article 511 or CEC
Special installation may be
Required where gasoline or
Volatile liquids are present −
Do not move or operate unit where it could tip
Input Voltage 230 Input Amperes At Rated Output
Electrical Service Guide For 230 VAC Model
Installing Wire Spool And Adjusting Hub Tension
Remove gun nozzle and contact tip
Threading Welding Wire
End Of Wire To Spool
Removing MIG Gun From Welding Power Source
Cut Off End Of Wire Open Pressure Assembly Knob
Operation
Installing Optional Spool Gun Switch In Welding Power Source
Connecting Spool Gun To Millermatic 140/180
Controls For 115 VAC Model w/Auto-SetE
− Operation
115V
Controls For 115 VAC Model
230V
Controls For 230 VAC Model
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
Aluminum 100% Argon 4043ER
030 0.8 mm 035 0.9 mm
10/32
OM-225 311
10/90 10/45 10/60 10/30 10/32 10/80
035 0.9 mm
030 0.8 mm
#220179 #202926
#220179
Dcep Dcen
024 0.6 mm #220179 030 0.8 mm #202926 035 0.9 mm 045 1.2 mm
100 10/60 10/45 10/40 10/20 10/50
Drive Motor Protection
− Maintenance &TROUBLESHOOTING
Routine Maintenance
Overload 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
Trouble Remedy
Troubleshooting Table
OM-225 311
Circuit Diagram
− Electrical Diagram
234 419-B
Typical MIG Process Connections
− MIG Welding Gmaw Guidelines
Select Voltage
Typical MIG Process Control Settings
Wire Recommendation Wire Speed
Select Wire Size
Holding And Positioning Welding Gun
Conditions That Affect Weld Bead Shape
Gun Movement During Welding
Poor Weld Bead Characteristics
Good Weld Bead Characteristics
Possible Causes Corrective Actions
Troubleshooting − Excessive Spatter
Troubleshooting − Porosity
Troubleshooting − Incomplete Fusion
Troubleshooting − Excessive Penetration
Troubleshooting − Lack Of Penetration
Troubleshooting − Distortion
Troubleshooting − Burn-Through
Troubleshooting − Waviness Of Bead
Flat & Horizontal1 Fillet
Common MIG Shielding Gases
Application
Options
− Parts List
Recommended Spare Parts
Optional Drive Rolls
Page
Support
Service
Miller Electric Mfg. Co
Owner’s Record