Hobart Welding Products 210 MVP manual Threading Welding Wire

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5-16. Threading Welding Wire

Tools Needed:

		1	Wire Spool
		2	Welding Wire
		3	Inlet Wire Guide
		4	Pressure Adjustment Knob
		5	Drive Roll
	4	6	Gun Conduit Cable
	4	Lay gun cable out straight.
		Lay gun cable out straight.
		6

1

2

3

5

.Hold wire and spool tightly to keep it from unraveling.

6 in (150 mm)

4in

(120 mm)

Open pressure assembly. Make sure feed roll is set to correct groove to match wire size (see Section 7-4).

Tighten

Pull and hold wire; cut off end.	Push wire thru guides into gun;
	continue to hold wire.

.Use pressure indicator

scale to set a desired drive roll pressure.

Pressure

Indicator

Scale

Be sure that wire is positioned

in proper feed roll groove. Close and tighten pressure assembly, and let go of wire.

Press gun trigger until wire comes out of gun.

Remove gun nozzle and contact tip.

Be sure that tip matches wire diameter. Reinstall contact tip and nozzle.

Turn power on. Be sure that Voltage range switch is set to range 1, 2, 3, 4, 5, 6, or 7 to feed wire. Rotate knob until it “clicks” into detent. Wire will not feed if range switch is set between ranges.

Tighten

WOOD

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

Cut off wire. Close door.

Ref. 804 688-B

OM-249 498 Page 26

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Contents Description OM-249 498BProcesses File MIG GmawFrom Hobart to You Protect Your InvestmentTable of Contents Warranty Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can burnWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Equipment can injure Welding Wire can injureFire or Explosion hazard Moving Parts can injureEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLES Pièces Chaudes peuvent provoquer des brûlures LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion Risque D’INCENDIE OU LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer 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-249 498 I1max Symbols And Definitions− Definitions I1eff− Specifications Specifications For 230 VACSpecifications For 115 VAC 20% duty cycle at 90 amps Minutes Welding Duty Cycle And Overheating30% duty cycle at 150 amps Minutes Welding OverheatingVolt-Ampere Curves Voltage Amperage− Installation Installing Nozzle, Contact Tip, And AdapterInstalling Welding Gun Installing Work Clamp Turn off welding power source Process/Polarity TableChanging Polarity Installing Gas Supply After flow is set, close pressure assemblyTools Needed 1-1/8 Electrical Service Guide Extension Cord Data Use Shortest Cord PossibleMulti−Voltage Plug MVP Connection Do Not modify or rewire receptacle Connection Selecting a Location And Connecting Input PowerDo not move or operate Unit where it could tip Serial Number And Rating Label LocationQualified Persons Make InstallationLocal Codes − have only Yellow Connecting 1-Phase Input Power For 115 VAC Input Installing Wire Spool And Adjusting Hub Tension Installing 8 in mm Wire SpoolConnecting Optional Spool Gun Wire Feed Speed ControlExposed O-rings Threading Welding Wire − Operation ControlsWeld Parameter Chart Overload Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Drive Motor Protection030/.035 Groove Knurled Smooth Changing Drive Roll Or Wire Inlet Guide023/.025 StampedNozzle Contact Tip Tip Adapter Head Tube Remove nozzle, contact tip, and adapter Blow out gun casingStickout Tools Needed Mm, 10 mm Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy− Electrical Diagram Circuit Diagram249 315-A Typical MIG Process Connections Regulator Flowmeter Shielding Gas Wire Feeder Power Source− MIG Welding Gmaw Guidelines Gun Workpiece Work ClampTypical MIG Process Control Settings Wire Size Amperage RangeSelect Voltage Holding And Positioning Welding Gun Groove WeldsPerpendicular Drag Conditions That Affect Weld Bead ShapePush Short Normal LongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Base metal to move Troubleshooting − Waviness Of BeadTroubleshooting − Distortion DirectionTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Welding power source Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Drive rolls if necessary− Parts List 57 5849 32 Dia Part Description Quantity Optional H100S4-10 Gun 245Optional Drive Rolls OptionsConsumables Service SupportAssistance Contact your Distributor for Hobart Welding Products