Manuals / Miller Electric / Power Tools / Welder

Miller Electric 140 Auto-Set Removing MIG Gun From Welding Power Source, End Of Wire To Spool

Models: 140 Auto-Set 140 M-10 Gun 180

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.A complete Parts List is available on-line at www.MillerWelds.com

4-12. Removing MIG Gun From Welding Power Source

Cut Off End Of Wire	Open Pressure Assembly
Cut Off End Of Wire
	Knob
. Hold wire tightly to keep it
from unraveling.
Rewind Wire Onto Spool, Fasten	Loosen Knob, Disconnect Gun Trigger
End Of Wire To Spool	Plug, And Pull Gun From Unit
	Ref. 802 982-A

OM-225 311 Page 19

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Miller Electric 140 Auto-Set Removing MIG Gun From Welding Power Source, Cut Off End Of Wire Open Pressure Assembly Knob

Contents

File MIG Gmaw OM-225 311CProcesses DescriptionFrom Miller to You Table of Contents − Parts List − Maintenance &TROUBLESHOOTINGElectric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut endommager l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéVAC Model w/Auto−SetE − SpecificationsSpecifications VAC ModelOverheating Duty Cycle And Overheating115 VAC Model 230 VAC ModelAmperage Volt-Ampere CurvesIncorrect − InstallationInstalling Welding Gun Changing Polarity Work Cable Routing Inside UnitProcess/Polarity Table Installing Gas Supply See NEC Article 511 or CEC Special installation may beRequired 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 ModelInstalling Wire Spool And Adjusting Hub Tension Remove gun nozzle and contact tip Threading Welding WireEnd Of Wire To Spool Removing MIG Gun From Welding Power SourceCut Off End Of Wire Open Pressure Assembly Knob Operation Installing Optional Spool Gun Switch In Welding Power SourceConnecting Spool Gun To Millermatic 140/180 Controls For 115 VAC Model w/Auto-SetE − Operation115V Controls For 115 VAC Model230V Controls For 230 VAC ModelOM-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 mm10/32 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 #220179Dcep 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 10/50Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableOM-225 311 Circuit Diagram − Electrical Diagram234 419-B Typical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Recommendation Wire Speed Select Wire SizeHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Incomplete Fusion Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead Flat & Horizontal1 Fillet Common MIG Shielding GasesApplication Options − Parts ListRecommended Spare Parts Optional Drive RollsPage Support ServiceMiller Electric Mfg. Co Owner’s Record

4-12. Removing MIG Gun From Welding Power Source

Cut Off End Of Wire

Open Pressure Assembly

Knob

. Hold wire tightly to keep it

from unraveling.

End Of Wire To Spool