Hobart Welding Products 230 manual H200L4−15 Gun, 237

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				242 630-A
			Figure 8-6. H200L4−15 Gun
	Item	Part	Description	Quantity
	No.	No.	Description	Quantity
		237 374	Figure 8-6. H200L4−15 Gun
. . .	1	. 200 258	. . NOZZLE, slip type .500 orf flush	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦169 724	. . NOZZLE, slip type .500 orf .125 recess . .	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦169 725	. . NOZZLE, slip type .625 orf .125 recess . .	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦169 726	. . NOZZLE, slip type .625 orf flush	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦169 727	. . NOZZLE, slip type.625 orf .125 stich out .	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	2	♦087 299	. . TIP, contact scr .023 wire x 1.125	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦000 067	. . TIP, contact scr .030 wire x 1.125	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦000 068	. . TIP, contact scr .035 wire x 1.125	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . .		♦000 069	. . TIP, contact scr .045 wire x 1.125	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	3	. 169 728	. . ADAPTER, contact tip	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	4	. 169 729	. . ADAPTER, nozzle w/retaining ring	. . . . . . . . . . . . . . . . . . . . . . . . . 1

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

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OM-235 281 Page 49

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Contents Processes OM-235 281ADescription File MIG GmawProtect Your Investment From Hobart to YouTable of Contents Warranty Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can burnARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can injureFalling Equipment can injure Moving Parts can injureCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-235 281 Overheating SpecificationsWelding Power Source Duty Cycle And Overheating Voltage Volt-Ampere CurvesAmperage 40.0 35.0 30.0 25.0 20.0 15.0 10.0 100 150 200 250 300MIG GUN Installing Welding GunInstalling Work Clamp Connecting To Weld Output TerminalsInstalling 2 lb Wire Spool And Adjusting Hub Tension Setting Gun Polarity For Wire TypeChanging Polarity Electrode Negative DcenInstalling 33 lb Wire Spool And Adjusting Hub Tension Installing 10 lb Wire Spool And Adjusting Hub TensionTools Needed 1-1/8, 5/8 Installing Gas SupplyRear Panel Positioning Jumper Links Turn off and disconnect input powerHz Single Electrical Service GuideInput Voltage Input Amperes At Rated OutputDo not move or operate unit where it could tip Selecting a Location And Connecting Input PowerSpecial installation may be Conductors from unitThreading Welding Wire Turn Off unit, and disconnect input power 3070 2080 1090 Wire Speed ControlControls Weld Parameters Selecting Wire, Gas and Control SettingsDisconnect power Routine MaintenanceSupplementary Protectors Before maintainingRemoving Knob From Front Panel Replacing Drive Roll And Wire Inlet GuideTurn Off power Replacing Gun Contact Tip Aligning Drive Rolls and Wire GuideTurn Off power before replacing contact tip Cable Hanger Screws Tools Needed Installing Cable HangersTurn Off power before Installing cable hangers Turn off welding power source/wire feeder Wire Drive/Gun Troubleshooting Table Welding Troubleshooting TableWire Drive/Gun Trouble Remedy Welding Trouble RemedyTypical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsAmperage Select VoltageGroove Welds Holding And Positioning Welding GunPush Conditions That Affect Weld Bead ShapePerpendicular Drag Short Normal LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadBase metal to move DirectionApplication Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Readjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessary− 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 AccessoriesAssistance ServiceSupport Hobart Welding Products Contact your Distributor for