Hobart Welding Products 230 manual Fire or Explosion hazard, Falling Equipment can injure

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1-3. Additional Symbols For Installation, Operation, And Maintenance

FIRE OR EXPLOSION hazard.

D Do not install or place unit on, over, or near combustible surfaces.

DDo not install unit near flammables.

DDo not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit.

FALLING EQUIPMENT can injure.

DUse lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories.

DUse equipment of adequate capacity to lift and support unit.

DIf using lift forks to move unit, be sure forks are long enough to extend beyond opposite side of unit.

DKeep equipment (cables and cords) away from moving vehicles when working from an aerial location.

DFollow the guidelines in the Applications Manual for the Revised NIOSH Lifting Equation (Publication No. 94−110) when manu- ally lifting heavy parts or equipment.

MOVING PARTS can injure.

D Keep away from moving parts such as fans.

D Keep all doors, panels, covers, and guards closed and securely in place.

DHave only qualified persons remove doors, panels, covers, or guards for maintenance and troubleshooting as necessary.

DReinstall doors, panels, covers, or guards when maintenance is finished and before reconnecting input power.

READ INSTRUCTIONS.

D Read and follow all labels and the Owner’s Manual carefully before installing, operating, or servicing unit. Read the safety information at the beginning of the manual and in each section.

DUse only genuine replacement parts from the manufacturer.

DPerform maintenance and service according to the Owner’s Manuals, industry standards, and national, state, and local codes.

OVERUSE can cause OVERHEATING

DAllow cooling period; follow rated duty cycle.

DReduce current or reduce duty cycle before starting to weld again.

DDo not block or filter airflow to unit.

FLYING SPARKS can injure.

D Wear a face shield to protect eyes and face.

D Shape tungsten electrode only on grinder with proper guards in a safe location wearing proper face, hand, and body protection.

DSparks can cause fires — keep flammables away.

STATIC (ESD) can damage PC boards.

DPut on grounded wrist strap BEFORE handling

boards or parts.

D Use proper static-proof bags and boxes to store, move, or ship PC boards.

MOVING PARTS can injure.

DKeep away from moving parts.

DKeep away from pinch points such as drive rolls.

WELDING WIRE can injure.

DDo not press gun trigger until instructed to do so.

DDo not point gun toward any part of the body, other people, or any metal when threading welding wire.

H.F. RADIATION can cause interference.

DHigh-frequency (H.F.) can interfere with radio navigation, safety services, computers, and communications equipment.

DHave only qualified persons familiar with electronic equipment perform this installation.

DThe user is responsible for having a qualified electrician prompt- ly correct any interference problem resulting from the installa- tion.

DIf notified by the FCC about interference, stop using the equipment at once.

DHave the installation regularly checked and maintained.

DKeep high-frequency source doors and panels tightly shut, keep spark gaps at correct setting, and use grounding and shielding to minimize the possibility of interference.

ARC WELDING can cause interference.

DElectromagnetic energy can interfere with sensitive electronic equipment such as computers and computer-driven equipment such as robots.

DBe sure all equipment in the welding area is electromagnetically compatible.

DTo reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor.

DLocate welding operation 100 meters from any sensitive elec- tronic equipment.

DBe sure this welding machine is installed and grounded according to this manual.

DIf interference still occurs, the user must take extra measures such as moving the welding machine, using shielded cables, using line filters, or shielding the work area.

OM-235 281 Page 3

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Contents File MIG Gmaw OM-235 281AProcesses DescriptionProtect Your Investment From Hobart to YouTable of Contents Warranty HOT Parts can burn Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can injure Welding Wire can injureFire or Explosion hazard Falling Equipment can injureAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-235 281 Welding Power Source Duty Cycle And Overheating SpecificationsOverheating 40.0 35.0 30.0 25.0 20.0 15.0 10.0 100 150 200 250 300 Volt-Ampere CurvesVoltage AmperageMIG GUN Installing Welding GunInstalling Work Clamp Connecting To Weld Output TerminalsElectrode Negative Dcen Setting Gun Polarity For Wire TypeInstalling 2 lb Wire Spool And Adjusting Hub Tension Changing PolarityInstalling 33 lb Wire Spool And Adjusting Hub Tension Installing 10 lb Wire Spool And Adjusting Hub TensionRear Panel Installing Gas SupplyTools Needed 1-1/8, 5/8 Positioning Jumper Links Turn off and disconnect input powerInput Amperes At Rated Output Electrical Service GuideHz Single Input VoltageConductors from unit Selecting a Location And Connecting Input PowerDo not move or operate unit where it could tip Special installation may beThreading Welding Wire Turn Off unit, and disconnect input power Controls Wire Speed Control3070 2080 1090 Weld Parameters Selecting Wire, Gas and Control SettingsBefore maintaining Routine MaintenanceDisconnect power Supplementary ProtectorsTurn Off power Replacing Drive Roll And Wire Inlet GuideRemoving Knob From Front Panel Turn Off power before replacing contact tip Aligning Drive Rolls and Wire GuideReplacing Gun Contact Tip Turn Off power before Installing cable hangers Installing Cable HangersCable Hanger Screws Tools Needed Turn off welding power source/wire feeder Welding Trouble Remedy Welding Troubleshooting TableWire Drive/Gun Troubleshooting Table Wire Drive/Gun Trouble RemedyTypical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range AmperageGroove Welds Holding And Positioning Welding GunShort Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Direction Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Base metal to moveCommon MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source− Electrical Diagram 10 − Fig 17 − Fig Main AssemblyItem Dia Part Description Quantity Mkgs Center Baffle w/Components Center Baffle w/Components -1Item Rear Panel w/Components Front Panel w/Components 234 Wire Drive Assembly Wire Drive Assembly237 H200L4−15 GunKnurl Drive Roll For Hard Shell Cored Wires AccessoriesSupport ServiceAssistance Hobart Welding Products Contact your Distributor for