Hobart Welding Products 1800 specifications Setting Gun Polarity For Wire Type

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2-5. Setting Gun Polarity For Wire Type

Shown As Shipped – Set For Electrode Positive

(DCEP) For Solid Steel Or Aluminum Wires

(GMAW Process).

Wire Drive Assembly	Work Clamp Lead To
Lead To Positive (+)	Negative (–) Output
Output Terminal	Terminal

GUN POLARITY

CHANGEOVER CONNECTIONS

Reverse Lead Connections – For Electrode Negative (DCEN) For Flux Cored Wires (FCAW Process). Drive Assembly Becomes Negative

S-185 249

1

3 4

1Polarity Changeover Label

2Wire Drive Assembly

3Positive (+) Output Terminal

4Negative (–) Output Terminal

Always read and follow wire manufacturer’s recommended polarity.

Close door.

Tools Needed:

3/4 in

2

Ref. 802 472

OM-929 Page 11

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Contents OM-929 ProcessesDescription From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Duty Cycle And Overheating SpecificationsExceeding duty cycle can damage unit and void warranty IntroductionVolt-Ampere Curves Installing Welding GunGUN Polarity Changeover Connections Setting Gun Polarity For Wire TypeInstalling Wire Spool And Adjusting Hub Tension Installing Gas SupplyMin Grounding Conductor Size In AWG/Kcmil Electrical Service GuideChanging Input Voltage From 230 Volts To 200 Volts Input Voltage= GND/PE Selecting a Location And Connecting Input PowerHold wire tightly to keep it from unraveling Threading Welding WireControls Operation12 ga 14 ga 16 ga 18 ga 20 ga 22 ga Weld ParametersMonths Maintenance and TroubleshootingRoutine Maintenance Circuit BreakersCleaning Or Replacing Gun Liner Disconnect gun firstTo Reassemble Gun Remove handle locking nut Slide handle Replacing Switch And/Or Head TubeWelding Trouble Remedy Changing Drive Roll And Wire Inlet GuideWelding Troubleshooting Table Replacing Gun Contact TipWire Drive/Gun Trouble Remedy Wire Drive/Gun Troubleshooting TableCircuit Diagram For Welding Power Source Electrical DiagramMain Assembly Parts ListSR1 Center Baffle w/Components Center Baffle w/Components -1 Item 169 M-15 GunPage Page Support ServiceHobart Welding Products Contact your Distributor for