Hobart Welding Products M-25 GUN, 2510 specifications Turn off welding power source/wire feeder

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4-7. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun Casing

1	2	3	Head
		3

			Tube

Remove nozzle, contact tip, adapter, and wire outlet guide.

3/8 in

Lay gun cable out	Remove
straight before installing	Remove
new liner.	liner.

3/4 in

(20 mm)

Liner

Stickout

Tools Needed:

3/8 in

YTurn off welding power source/wire feeder.

1Nozzle

2Contact Tip

3Adapter

.Wire size stamped on tip – check and match wire size.

Cut off wire and disconnect gun from feeder.

Blow out gun casing.

Reassemble gun in reverse order from taking it apart.

Install

Liner

.Thread wire according to welding power source/wire feeder manual.

Ref. ST-800 797-C

OM-194 430 Page 22

Image 26

Contents Description OM-194 430AProcesses JunePage Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Welding Power Source Duty Cycle And Overheating InstallationSpecifications Exceeding duty cycle can damage unit and void warrantyDefinition Welding Gun Duty Cycle And OverheatingVolt-Ampere Curves Installing Running Gear Installing Welding GunSetting Gun Polarity For Wire Type Installing Gas Supply Installing Wire Spool And Adjusting Hub TensionInstalling Work Clamp Positioning Jumper LinksInput Voltage Electrical Service GuideSelecting a Location And Connecting Input Power Min Grounding Conductor Size In AWG/KcmilThreading Welding Wire Hold wire tightly to keep it from unravelingOperation ControlsWeld Parameters CO2Knockout Panel Disconnect power before maintaining Maintenance and TroubleshootingRoutine Maintenance Circuit Breaker CB1Unit Overload Changing Drive Roll And Wire Inlet GuideAligning Drive Rolls And Wire Guide Replacing Gun Contact TipTurn off welding power source/wire feeder Wire size stamped on tip check and match wire sizeReplacing Switch And/Or Head Tube Disconnect gun firstTroubleshooting Trouble RemedyElectrical Diagram Circuit Diagram For Welding Power SourceOM-194 430 Parts List Main AssemblyItem Dia Part Description Mkgs Quantity Center Baffle w/Components Center Baffle w/Components -1 Item Wire Drive Assembly -2 Item Gun And Cable Assembly, M-25 Part Description Quantity Options and Accessories Page File a claim for loss or damage during ship Ment