Hobart Welding Products OM-945 194 047U manual Positioning Electrode Holder

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13-5. Positioning Electrode Holder

10°-30°

90°90°

End View of Work Angle

Side View of Electrode Angle

GROOVE WELDS

45°

10°-30°

 

45°

 

End View of Work Angle

Side View of Electrode Angle

FILLET WELDS

S-0060

13-6. Poor Weld Bead Characteristics

1 Large Spatter Deposits

2 Rough, Uneven Bead

3 Slight Crater During Welding

4 Bad Overlap

5 Poor Penetration

1

2 3 4

5

S-0053-A

 

13-7. Good Weld Bead Characteristics

1

2

3

4

5

1Fine Spatter

2Uniform Bead

3Moderate Crater During Welding

Weld a new bead or layer for each 1/8 in. (3.2 mm) thickness in metals being welded.

4No Overlap

5Good Penetration into Base Metal

S-0052-B

OM-945 Page 47

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Contents Description ProcessesFrom Hobart to You Table of Contents Table of Contents Arc Welding Hazards Symbol UsageEngine Hazards Compressed Air Hazards Radiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationLES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves’AIR Comprimé peut provoquer des blessures ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieInformation sur les champs électromagnétiques Principales normes de sécurité− Definitions − SpecificationsSymbol Definitions Weld, Power, and Engine SpecificationsDimensions, Weights, and Operating Angles Generator Power CurveDo not move or operate unit where it could tip Duty Cycle Fuel Consumption All ModelsVolt-Ampere Curves Material Thickness Reference ChartInstalling Welding Generator − InstallationOil Engine Prestart Checks Onan-Powered UnitsEngine Prestart Checks Kohler-Powered Units FuelCharger Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Read and follow all instrucConnect negative − cable last Connecting the BatteryInstalling Exhaust Pipe + −Put terminals Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 45 m 60 m 70 m 90 m 105 m 120 mAmperage Selection Table For Stick Smaw Electrodes Front Panel Controls − Operating the Welding Generator− Operating Auxiliary Equipment Standard ReceptaclesCeptacles, use Wiring Optional 240 Volt Plug Optional Generator Power Receptacles− Maintenance ONAN-POWERED Units Maintenance Label Onan-Powered Units Every 500 hEvery 1000 h Stop engine Servicing Air Cleaner Onan-Powered UnitsStop engine and let cool Overload Protection Onan-Powered UnitsServicing Optional Spark Arrestor Onan-Powered Units Stop engine. Disconnect nega- tive − battery cableFull Tools Needed Adjusting Engine Speed Onan-Powered Units Idle Speed AdjustmentWeld/Power Speed Adjustment Routine Maintenance Kohler-Powered Units Every 20 hEvery 25 h Replace unreadable labels Maintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units Overload Protection Kohler-Powered Units802 339-B / S-0842 Stop engine. Reinstall wrapper Adjusting Engine Speed Kohler-Powered UnitsWelding − TroubleshootingTroubleshooting Generator PowerEngine − Electrical Diagram − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplyingFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleStick Welding Procedure Weld current starts when electrode touches work- piece− Stick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc − Scratch Start TechniqueStriking an Arc − Tapping Technique Poor Weld Bead Characteristics Good Weld Bead CharacteristicsPositioning Electrode Holder Electrode Movement During Welding Conditions That Affect Weld Bead ShapeButt Joints Lap JointTee Joint Possible Causes Corrective Actions Troubleshooting − PorosityTroubleshooting − Excessive Spatter Weld TestTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Waviness Of BeadTroubleshooting − Distortion OM-945 Main Assembly Onan Engine Shown − Parts ListMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Support ServiceHobart Welding Products Contact your Distributor for