Miller Electric 350P manual Threading Welding Wire Through XR Guns, For XR-A Pistol Gun

Page 29

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

3-20. Threading Welding Wire Through XR Guns

! Welding wire is electrically live when gun trigger is used to jog wire.

For XR-A Edge Gun:

.Refer to Section 3-19for instructions

 

 

 

 

on feeding wire through welding pow-

 

1

 

er source.

 

1

Pressure Roll Assembly

 

 

 

 

Lay gun cable out straight.

 

 

Open top cover, and open pressure roll as-

 

 

sembly. If not already done, remove gun

 

 

barrel assembly.

Turn On

 

Press gun trigger until about 4 in. (102 mm)

 

of wire is sticking out front of gun. Insert

Welding Power

 

 

wire into barrel liner and tighten barrel as-

Source.

 

 

sembly. Install correct size contact tube

Remove barrel assembly before

threading wire through gun.

and install collet nut.

 

 

Close top cover on gun. Press trigger

 

 

switch until about 6 in. (152 mm) of wire is

 

 

sticking out end of contact tip. Cut off wire.

 

 

Close and latch door.

 

 

.XR Edge gun drive roll pressure

 

 

 

should be set at minimum.

For XR-A Pistol Gun:

 

1

Pressure Roll Assembly

2

3

2

Drive Roll

 

 

 

 

3

Thumbscrew

 

 

Lay gun cable out straight. Open top

 

 

cover, and lift pressure arm and open

 

 

pressure roll assembly. If not already

 

 

done, remove gun barrel assembly.

1

 

Manually thread wire along drive roll

 

 

groove. Close pressure roll assembly.

 

 

Press gun trigger until about 4 in. (102 mm)

 

 

of wire is sticking out front of gun. Insert

 

 

wire into barrel liner and tighten barrel as-

Turn On

 

sembly. Install correct size contact tube

 

and install collet nut. Reinstall gun cover.

Welding Power

 

 

 

 

Source.

 

4

Pressure Adjustment Knob

See final pressure adjustment at bottom of page.

Remove barrel assembly

before threading wire

through gun.

For XR-A Pistol Gun:

Tools Needed:

Nonconductive

Surface

Feed wire to check drive roll pressure. Tighten knob enough to prevent slipping.

Cut off wire. Close and latch door.

! Turn welding power source Off.

.Do not exceed midrange setting.

Ref. 802 193-A / 801 556 / Ref. 151 666-C

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Contents File MIG Gmaw ProcessesDescription 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 DevicesIndique des instructions spécifiques Symboles utilisésUNE Décharge Électrique peut entraîner la mort LE Soudage peut provoquer un incendie ou une explosion LES Pièces Chaudes peuvent provoquer des brûluresLES Fumées ET LES GAZ peuvent être dangereux 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 interférencesEn ce qui concerne les implants médicaux Principales normes de sécuritéInformations relatives aux CEM 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 Be sure to trim liner to proper extension Connecting XR Edge, XR-A Gun, XR-A Python, Or XR Aluma-ProXR Edge guns prior to serial no 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 PowerDisconnect Device Input Power Connections Selection a Location And Connecting 1-Phase Input PowerDo not move or operate Unit where it could tip Hold wire tightly to keep It from unraveling Threading Welding Wire For MIG GunFor Aluminum Push-Pull welding For XR-A Pistol Gun Threading Welding Wire Through XR GunsTurn welding power source Off Controls MIG ModeJog Mode 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 Two parameters that will have Setting Hot Start Aluminum Pulse Only ParametersManual Hot Start Mode 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 Maintain more often during severe conditions Routine MaintenanceOverheating 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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