Hobart OM-1581 manual Adjusting Wire Feed Starting Speed

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3-18. Adjusting Wire Feed Starting Speed

To adjust wire feed starting speed, proceed as follows:

Turn Off wire feeder and welding power source. Open right side panel.

1 Motor Speed Control Board PC1

2 Motor Start Control

Potentiometer R70

Turn potentiometer clockwise to increase time it takes the motor to ramp up to speed. Remove protective white rubber cap before

making adjustment. Adjust potentiometer using a small nonconductive screwdriver.

Close side door.

Top Of PC1

1

2

Tools Needed:

Nonconductive

1/4 in

Ref. 151 772-A / Ref. 142 054-B

OM-1581 Page 23

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Contents OM-1581 ProcessesDescription From Hobart to You Table of Contents Page Fumes and Gases can be hazardous Symbol UsageArc Welding Hazards Electric Shock can killBuildup 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 peutInformation sur les champs é lectromagné tiques Principales normes de sé curitéDuty Cycle And Overheating SpecificationsWire Feeder Specifications Gun SpecificationsInstallation Constant Voltage CV Weld- ing Power Source Plug Removing Top Cover Of Gun Air-Cooled Gun Connections Water-Cooled Gun Connections Air-Cooled Feeder Connections Rear Of Water Fitting Left- Hand Threads Water-Cooled Feeder ConnectionsVoltage Sensing Lead Connections Adjusting Contact Tip PositionContactor 12 VAC/Contactor Control Plug InformationPLG5 Installing Wire Spool Threading Welding Wire Through Feeder Coolant Guidelines Threading Welding Wire Through GunAdjusting Wire Feed Starting Speed Work And Voltage Sensing Cable Clamps Safety EquipmentOperation Front Panel Controls Of Feeder Air-Cooled Model ShownJog Switch Voltage/Wire Speed Switch And Meter OptionalRun-In Speed Control Spot Controls Optional Remote Voltage Control Optional Power SwitchInternal Controls Flowmeter OptionalSequence Of Gas Metal Arc Welding Gmaw Continuous Or Spot Gun ControlsShielding Gas Coolant Supply For Water-Cooled Models OnlyMaintenance & Troubleshooting Routine MaintenanceMonths Changing Or Cleaning Gun Drive Roll Changing Feeder Drive Roll And Wire Inlet Guide Replacing Or Cleaning Feeder Drive Roll Bearing Replacing Or Cleaning Gun Drive Roll BearingRemoving Contact Tip Adapter In Air-Cooled Models Changing Gun Contact Tip And LinerRemoving Contact Tip Adapter In Water-Cooled Models Replacing Hub AssemblyAdjusting Hub Tension Water Flow Switch Optional For Water-Cooled ModelsOverload Protection Wire Feeder Trouble TroubleshootingGun Trouble Circuit Diagram For Wire Feeder Electrical DiagramsCircuit Diagram For Gun Main Assembly Parts ListDia Part CB1 Motor & Wire Drive -1 Item Panel, Front w/Components Water-Cooled Model Illustrated Panel, Front w/Components -1 Item Exploded View Of Gun 133 203 Barrel Assembly -4 Item Optional Call HOBART1 for your local Hobart distributor Hobart Welding Products Contact your Distributor for