Hobart Welding Products 1800 specifications Volt-Ampere Curves, Installing Welding Gun

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2-3. Volt-Ampere Curves

Volt-ampere curves show minimum and maximum voltage and amper- age output capabilities of unit. Curves of other settings fall be- tween curves shown.

va_curve1 4/95 – 180 824

2-4. Installing Welding Gun

	1	Drive Assembly
	2	Gun Securing Knob
	3	Gun End
	Loosen knob. Insert gun end
	through opening until it bottoms
	against drive assembly. Tighten
	knob.
	4	Gun Trigger Plug
3	Insert plug into receptacle, and
	tighten threaded collar.

Close door.

Ref. 802 285-A

OM-929 Page 10

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Contents Description OM-929Processes From Hobart to You 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 Introduction SpecificationsExceeding duty cycle can damage unit and void warranty Duty Cycle And OverheatingInstalling Welding Gun Volt-Ampere CurvesSetting Gun Polarity For Wire Type GUN Polarity Changeover ConnectionsInstalling Gas Supply Installing Wire Spool And Adjusting Hub TensionInput Voltage Electrical Service GuideChanging Input Voltage From 230 Volts To 200 Volts Min Grounding Conductor Size In AWG/KcmilSelecting a Location And Connecting Input Power = GND/PEThreading Welding Wire Hold wire tightly to keep it from unravelingOperation ControlsWeld Parameters 12 ga 14 ga 16 ga 18 ga 20 ga 22 gaCircuit Breakers Maintenance and TroubleshootingRoutine Maintenance MonthsTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun first Replacing Switch And/Or Head Tube Remove handle locking nut Slide handleReplacing Gun Contact Tip Changing Drive Roll And Wire Inlet GuideWelding Troubleshooting Table Welding Trouble RemedyWire Drive/Gun Troubleshooting Table Wire Drive/Gun Trouble RemedyElectrical Diagram Circuit Diagram For Welding Power SourceParts List Main AssemblySR1 Center Baffle w/Components Center Baffle w/Components -1 Item M-15 Gun 169Page Page Service SupportContact your Distributor for Hobart Welding Products