Miller Electric M-10 Gun, 140 Auto-Set manual Connecting Spool Gun To Millermatic 140/180

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

4-14. Connecting Spool Gun To Millermatic 140/180

6 7

5

1

3

4

2

1Drive Assembly

2Spool Gun

3Gun Securing Knob

4Gun End

Loosen thumbscrew. Insert end through opening until it bottoms against drive assembly. Tighten gun securing knob.

Spool gun must be inserted completely to prevent leakage of shielding gas.

5 Gun Trigger Plug

Insert plug into receptacle, and tighten threaded collar.

6 Spool Gun/MIG Gun Switch

Place switch in Spool Gun position.

7Polarity Changeover Terminal Block

To make proper polarity connection, see welding power source Owner’s Manual.

. Be sure that gun end is tight against drive assembly.	Close door.
. Be sure that gun end is tight against drive assembly.
4	4

Incorrect	Exposed O-rings	Correct
Gun Not Seated	will cause shielding	Gun Fully Seated
	gas leakage.

804 984-A / Ref. 801 987

OM-225 311 Page 21

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Contents Processes OM-225 311CDescription File MIG GmawFrom Miller to You Table of Contents − Parts List − Maintenance &TROUBLESHOOTINGMarks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut endommager l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéSpecifications − SpecificationsVAC Model VAC Model w/Auto−SetE115 VAC Model Duty Cycle And Overheating230 VAC Model OverheatingAmperage Volt-Ampere CurvesInstalling Welding Gun − InstallationIncorrect Process/Polarity Table Work Cable Routing Inside UnitChanging Polarity Installing Gas Supply Required where gasoline or Special installation may beVolatile liquids are present − See NEC Article 511 or CECDo not move or operate unit where it could tip Installing Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelInput Voltage 230 Input Amperes At Rated Output Remove gun nozzle and contact tip Threading Welding WireCut Off End Of Wire Open Pressure Assembly Knob Removing MIG Gun From Welding Power SourceEnd Of Wire To Spool 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 10/50Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun 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 GuidelinesWire Recommendation Wire Speed Typical MIG Process Control SettingsSelect Wire Size Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterPossible Causes Corrective Actions Troubleshooting − Lack Of Penetration Troubleshooting − Excessive PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion Application Common MIG Shielding GasesFlat & Horizontal1 Fillet Recommended Spare Parts − Parts ListOptional Drive Rolls OptionsPage Support ServiceMiller Electric Mfg. Co Owner’s Record

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