Miller Electric 350P manual Routine Maintenance, Overheating

Page 45

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

SECTION 6 − MAINTENANCE &TROUBLESHOOTING

6-1. Routine Maintenance

! Disconnect power before maintaining.

.Maintain more often during severe conditions.

n = Check

Z = Change

~ = Clean

l = Replace

Reference

* To be done by Factory Authorized Service Agent

 

 

Every

 

 

 

 

3

 

 

 

 

Months

 

 

 

 

 

l Damaged Or Unreadable

l Repair Or Replace

~ Clean And Tighten Weld

n Check Gun Cable

 

Labels

Cracked Weld Cable

Terminals

 

Every

OR

 

 

 

6

 

 

 

 

Months

 

 

 

 

 

~ Inside Unit

~ Clean Drive Rolls

 

 

6-2.

Overheating

 

 

 

Thermistors RT1 and RT2 protect the unit from damage due to overheating. If output diode heatsink or IGBT heatsink gets too hot, RT1 and/or RT2 opens and output stops. The fan keeps running to cool the unit. Wait several minutes before trying to weld.

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Contents Processes DescriptionFile MIG Gmaw From Miller to You Table of Contents Warranty Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can burnARC 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 injureFalling Equipment can injure Moving Parts can injureCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques LES Pièces Chaudes peuvent provoquer des brûlures LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLes Pièces Mobiles peuvent causer des blessures Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures LE Soudage À L’ARC risque de provoquer des interférencesPrincipales normes de sécurité Informations relatives aux CEMEn 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 Connecting XR Edge, XR-A Gun, XR-A Python, Or XR Aluma-Pro XR Edge guns prior to serial noBe sure to trim liner to proper extension Changing Polarity Setting Gun Polarity For Wire TypeRear Panel Installing Gas SupplyElectrical Service Guide Installing Wire Spool and Adjusting Hub TensionHz Single Phase Hz Three Phase Input Voltage Min Grounding Conductor Size In AWGSelecting Input Voltage 200/230/460 Volt Models Only Serial Number And Rating Label Location Selecting a Location And Connecting 3-Phase Input PowerSelection a Location And Connecting 1-Phase Input Power Do not move or operate Unit where it could tipDisconnect Device Input Power Connections Hold wire tightly to keep It from unraveling Threading Welding Wire For MIG GunFor Aluminum Push-Pull welding Threading Welding Wire Through XR Guns Turn welding power source OffFor XR-A Pistol Gun MIG Mode Jog ModeControls Weld Status Pulse MIG Mode Voltage AdjustmentMIG Gun-On-Demand Pulse MIG Gun-On-DemandWeld Parameters For MIG ChartWeldçêcharts Pulse Mode− Programming MIG Welding ModeARC Length Pulse MIG Welding ModeTimers Crater Fill display can be turned Setting Hot Start Aluminum Pulse Only Parameters Manual Hot Start ModeTwo parameters that will have Setting Crater Fill Recommended Crater Fill Parameters Recommended Crater Parameters19ga 20ga 05mm 0.9mm System Reset Motor Calibration Function Set Up Push Motor Torque SUP Routine Maintenance OverheatingMaintain more often during severe conditions Measuring Input Capacitor Voltage Grooved drive rolls are re Quired for feeding aluminum wire Changing Drive Roll and Wire Inlet GuideHelp Displays XXXHelp Jog XXX Wire Feed SpeedTip Save MM 350PTrouble Remedy TroubleshootingOM-1327 − Electrical Diagram 246 030-B Drive Roll And Wire Guide Kits − Parts ListSupport ServiceMiller Electric Mfg. Co Owner’s Record

350P specifications

The Miller Electric 350P is a highly regarded power source in the world of welding, known for its impressive performance and versatility. This machine is part of the Miller family's long-standing tradition of providing reliable and efficient welding solutions for various applications including construction, manufacturing, and maintenance.

One of the main features of the Miller 350P is its ability to perform both MIG and Pulsed MIG welding. This dual capability allows operators to choose the most suitable welding process for their specific requirements. The machine is equipped with a robust inverter technology, which greatly enhances its efficiency and reduces energy consumption. The inverter design allows for a portable and lightweight unit, making it easier for welders to transport and set up in different working environments.

The 350P showcases an intuitive interface, featuring a digital display that provides real-time information on parameters such as voltage, current, and wire feed speed. This advanced interface is user-friendly, allowing operators to make quick adjustments on the fly, ultimately improving productivity and weld quality. The machine also supports a wide range of materials, including steel, stainless steel, and aluminum, making it a versatile tool for various projects.

Another key characteristic of the Miller 350P is its advanced arc control technology. This includes features such as Auto-Set and Adaptive Hot Start, which automatically adjust the welding parameters based on the material thickness and type. This technology not only simplifies the process for the operator but also enhances the overall quality of the welds, reducing the risks of defects and ensuring consistent results.

Additionally, the Miller 350P is designed with durability in mind. The machine is housed in a rugged case that protects it from challenging environments, allowing it to withstand the rigors of everyday use. Its cooling system ensures that it operates at optimal temperatures, preventing overheating during extended welding sessions.

In summary, the Miller Electric 350P is a powerful and versatile welding machine designed to meet the demands of today’s welding professionals. With its advanced technologies, user-friendly interface, and durable construction, it stands out as a top choice for those seeking efficiency and reliability in their welding processes. Whether for industrial applications or personal projects, the 350P offers a robust solution that supports a wide variety of welding needs.
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