Miller Electric Comprehensive Guide to Miller 350P Aluminum Push-Pull Gun and Millermatic 350 Parts

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.A complete Parts List is available at www.MillerWelds.com

3-10. Setting Gun Polarity For Wire Type

Changing Polarity

Wire Drive	Work Clamp Lead
Assembly Lead
D
	D
+ Positive	- Negative
Terminal	Terminal

Shown as shipped − Electrode Positive (DCEP): For solid steel, stainless steel, aluminum, or flux core with gas wires (GMAW).

Electrode Negative (DCEN): Reverse lead connections at terminals from that shown above for gasless flux core wires (FCAW). Drive assembly becomes negative.

1 Polarity Changeover Information

Always read and follow manufacture’s recommended polarity.

3/4, 11/16 in

Ref. 803 541-A

OM-1327 Page 17

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Contents Processes OM-1327Description File MIG GmawFrom Miller to You Table of Contents − Programming − Maintenance &TROUBLESHOOTINGArc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-1327 Duty Cycle And Overheating SpecificationsVolt-Ampere Curve Connecting To Weld Output TerminalsInstalling Welding Gun/Cable Holder Installing Work ClampInstalling Welding Gun Connecting Spoolmatic 15A Or 30A Gun Gun End Gun Liner Wire Outlet Guide Connecting XR Edge, XR-A Gun, XR-A Python, Or XR Aluma-ProXR Edge guns prior to serial no Be sure to trim liner to proper extensionSetting Gun Polarity For Wire Type Polarity Changeover Information11/16 Rear Panel Installing Gas SupplyElectrical Service Guide Installing Wire Spool and Adjusting Hub TensionInput Voltage Min Input Conductor Size In AWGSelecting Input Voltage 200/230/460 Volt Models Only Selecting a Location And Connecting 3-Phase Input Power 18 in 457 mm for airflowTools Needed = GND/PE Earth Ground Disconnect Device Input Power Connections Selection a Location And Connecting 1-Phase Input Power=GND/PE Earth Ground L1L2Hold wire tightly to keep It from unraveling Threading Welding Wire For MIG Gun150 mm Pressure4321 Indicator ScaleThreading Welding Wire Through XR Guns Turn welding power source OffFor XR-A Pistol Gun Jog Mode MIG ModePulse Indicator Light ControlsWeld Status Pulse MIG Mode Voltage AdjustmentMIG Gun-On-Demand Pulse MIG Gun-On-DemandMillerWelds.com Weld Parameters ForWeld Weld Parameters For Pulse ModeWeld Bead Setting OM-1327 MIG Welding ModeLow Setting High Setting Pulse MIG Welding ModeTimers Crater Fill display can be turned Manual Hot Start Mode Setting Hot Start Aluminum Pulse Only ParametersTo exit this menu, press the Setup 1 button OM-1327 Rmpt − Ramp TimeSetting Crater Fill Recommended Crater Fill Parameters Recommended Crater Parameters19ga 20ga 05mm 0.9mm System Reset Motor Calibration Function Set Up Push Motor Torque SUP Or Reset rES Disconnect power Routine Maintenance= Check = Change ~ = Clean = Replace OverheatingMeasuring Input Capacitor Voltage Significant DC voltage canWorking on unit Changing Drive Roll and Wire Inlet Guide Help Displays Displays a jog wire feed speed OM-1327Help Jog XXX Wire Feed SpeedTip Save MM 350PTemperatures are within acceptable limits see -2and TroubleshootingConnect work clamp to get good metal to metal contact Unit is in an overheated condition see SectionOM-1327 − Electrical Diagram 224 242-B Circuit Diagram For 460V/575V Models 223 926-B Drive Roll And Wire Guide Kits Page Page Service Your distributor also givesSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s