Hobart Welding Products OM-493 manual Panel, Front w/Components -1 Item

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Item			Dia.		Part	Description
	No.		Mkgs.		No.	Description	Quantity
					Figure 12-2. Panel, Front w/Components (Figure 12-1 Item 42)

. . .	1	. . . .	. . . . . .	. .	. . . . . . . . . . . .	. . NAMEPLATE (order by model and serial number)	. . . 1
. . .	2	. . . .	. . . . . .	. .	. . . 185 161	. . PANEL, front	. . . 1
. . .	3	. . . .	. . . . . .	. .	. . . 186 058	. . COVER, dust	. . . 1
. . .	4	. . . .	. . S3	. . . . . 183 148		. . SWITCH, selector	. . . 1
. . .	5	. . . . . PC1		. . . . 184 731		. . MODULE, pull to idle	. . . 1
. . . 6		. . . .	. . R1	. .	. . . 117 243	. . RHEOSTAT, WW 100W 10 ohm	. . . 1
. . .	7	. . . . . RC1		. . . . 129 067		. . RECEPTACLE, tw lk grd 3P 4W 30 A	. . . 1
. . .	8	. . . .	. . S2	. . . . . 176 606		. . SWITCH, ignition	. . . 1
. . .	9	. . . . RC2,3			. . . 141 432	. . RECEPTACLE, str dx grd 2P3W 20A 125V	. . . 2
. . . 9 . . . GFCI2, 3					♦151 981	. . RECEPTACLE, str dx grd 2P3W 15/20A 125V GFCI	. . . 2
. . . 10		. . . .	CB1,2 .		. . . 191 664	. . CIRCUIT BREAKER, 1P 30A 250VAC	. . . 2
. . . 11		. . . .	CB3,4 .		. . . 093 996	. . CIRCUIT BREAKER, 1P 20A 250VAC	. . . 2
. . . 12		. . . .	. . HM	. .	. ♦145 247	. . METER, hour	. . . 1
. . . 13		. . . .	. . . . . .	. .	. . . 199 031	. . CONTROL, push/pull snap–in 36.000 w/1.750 extension	. . . 1
. . . 14		. . . .	. . . . . .	. .	. . . 119 014	. . LEVER, switch	. . . 1
. . . 15		. . . .	R3,VR1		. . . 046 819	. . SUPPRESSOR	. . . 1
. . . 16		. . . .	Positive		. . . 039 047	. . TERMINAL, pwr output red	. . . 1
. . . 17		. . .	Negative		. . 039 046	. . TERMINAL, pwr output black	. . . 1
. . . 18		. . . .	. . . . . .	. .	. . . 083 030	. . STUD, brs .250-20 x 1.750	. . . 1
. . . 19		. . . .	. . . . . .	. .	. . . 010 915	. . WASHER, flat .250 ID brs	. . . 3
. . . 20		. . . .	. . . . . .	. .	. . . 601 836	. . NUT, .250-20 brs	. . . 3
. . . 21		. . . .	. . . . . .	. .	. . . 159 921	. . BEZEL	. . . 1
. . . 22		. . . .	. . . . . .	. .	. . . 147 195	. . NUT, .375-27 nyl	. . . 4
. . . 23		. . . .	. . . . . .	. .	. . . 097 924	. . KNOB, pointer	. . . 1
. . . 24		. . . .	. . . . . .	. .	. . . 148 956	. . HANDLE, switch	. . . 1
♦Optional

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.

OM-493 Page 47

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Contents OM-493 ProcessesDescription From Hobart to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can killEngine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can killARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interferenceLES Fumées ET LES GAZ peuvent être dangereux Signification des symbolesConsignes 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 gravesLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendieConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques LE Soudage À L’ARC risque de provoquer des interférencesDefinitions SpecificationsSymbol Definitions Weld, Power, and Engine SpecificationsDimensions, Weights, and Operating Angles Auxiliary Power CurveDimensions Continuous Welding Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty CycleMovement Do not lift unit from end Airflow Clearance InstallationInstalling Welding Generator Volt-Ampere CurveFuel Engine Prestart ChecksCharger Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Read and follow all instrucConnect negative cable last Connecting the BatteryInstalling Exhaust Pipe Tools Needed 1/210 100% Duty Cycle Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 100 ft 30 m Or LessFront Panel Controls Engine Control SwitchDo not switch under load Operating the Welding Generator120V 240V Operating Auxiliary EquipmentStandard Receptacles Weld Current120 V 20 a AC Gfci Recep Optional Auxiliary Power ReceptaclesGenerator Gfci Receptacle OptionMaintenance Maintenance Label Stop engine Servicing Air CleanerStop engine. Disconnect negative battery cable Overload ProtectionOil Drain Valve 2 ID x 12 in Hose Oil Filter Changing Engine Oil, Oil Filter, and Fuel FilterFull Tools Needed Stop engine and let coolAdjusting Engine Speed Idle Speed AdjustmentWeld/Power Speed Adjustment Servicing Optional Spark Arrestor Trouble Remedy TroubleshootingAuxiliary Power WeldingEngine Switch S2, and throttle solenoid TS1Circuit Diagram For Welding Generator Electrical DiagramAuxiliary 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 Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements240 120 Ground Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleStick Welding Procedure Weld current starts when electrode touches work- pieceStick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc Scratch Start TechniqueStriking an Arc Tapping Technique 10-30 9090 End View of Work Angle Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode HolderElectrode Movement During Welding Conditions That Affect Weld Bead Shape16 in 1.6 mm Tack Welds Butt JointsLap Joint Tee JointPossible 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 12-3 Parts ListDia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Support ServiceContact your Distributor for Hobart Welding ProductsCall