Hobart Welding Products 217 694E Installation, Installing Welding Gun, Installing Work Clamp

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.A complete Parts List is available at www.HobartWelders.com

SECTION 5 − INSTALLATION

5-1. Installing Welding Gun

4

3

12

.Be sure that gun end is tight against drive assembly.

3

3

Exposed O-rings

will cause shielding

gas leakage.

1Drive Assembly

2Gun Securing Thumbscrew

3Gun End

Loosen thumbscrew. Insert end of

gun through opening in front panel until it bottoms against

drive assembly. Tighten thumbscrew.

Welding gun must be inserted completely to prevent leakage of shielding gas.

4 Gun Trigger Leads

Insert leads, one at a time, through gun opening on front panel. Connect female friction terminals to matching male terminals in unit. Polarity is not important.

Close door.

Incorrect	Correct
Gun Not Seated	Gun Fully Seated	803 711-A

5-2. Installing Work Clamp

. Connection hardware must be tightened with proper tools. Do not just hand tighten hardware. A loose electrical connection will cause poor weld performance and excessive heating of the work clamp.

3 1

6

2

5	4

Tools Needed:

7/16 in

7/16 in

1Nut

2Work Cable From Unit

3Work Clamp

4Screw

5Work Clamp Tabs

Bend tabs around work cable.

6 Insulating Sleeves

Slide one insulating sleeve over work cable before connecting to clamp.

Slide both insulating sleeves over handles.

802 456-A

OM-925 Page 14

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Contents Description Arc Welding Power Source Wire FeederProcesses OM-925217 694E 2008−10From Hobart to You Protect Your InvestmentTable of Contents − ACCESSORIES/CONSUMABLES Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion Risque D’INCENDIE OU D’EXPLO- Sion LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-925 Specifications − SpecificationsSymbols And Definitions − DefinitionsOutput Duty Cycle % WarrantyDuty Cycle And Overheating Can damage unit or gun and void15.0 Volt-Ampere CurvesVoltage 10.0 100 110 120 130 140 150 160Installing Work Clamp − InstallationInstalling Welding Gun Be sure that gun end is tight against drive assemblyProcess/Polarity Table Changing PolarityFeedhead Pressure Assembly Closed Installing Gas SupplyFeedhead Pressure Assembly Open Do not use Argon/Mixed gas regulator/flowmeterSelecting a Location And Connecting Input Power Do not move or operate unit Where it could tipInstalling Wire Spool And Adjusting Hub Tension Align locking hole in spool with locking pin on spool hubRetaining ring used with 8 in 203 mm spool only Installing Contact Tip And Nozzle Turn off welding power sourceUse with solid or flux cored wire Threading Welding Wire Hold wire tightly to keep it from unravelingLay gun cable out straight Tighten With a setting of 2 or 3 on the scalePressure Indicator Scale Desired drive roll pressure. StartSource or -2. Do not switch under load − OperationControls Material Thickness Reference Chart Weld Parameter Chart 217 618-A Overload Protection − Maintenance & TroubleshootingRoutine Maintenance Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Stamped Stamped .030/.035Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy− Electrical Diagram Circuit DiagramTypical MIG Process Connections Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Regulator Flowmeter001 in = 1 ampere Typical MIG Process Control SettingsWire Size Amperage Range 125 in = 125 aHolding And Positioning Welding Gun Groove WeldsShort Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular Drag Slow Normal FastPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Base metal to move Troubleshooting − Waviness Of BeadTroubleshooting − Distortion DirectionTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Welding power source Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Drive rolls if necessaryReplacement Drive Rolls − ACCESSORIES/CONSUMABLESAccessories ConsumablesService SupportAssistance Contact your Distributor for Hobart Welding Products