Hobart Welding Products OM-486 manual Maintenance and Troubleshooting

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SECTION 7 – MAINTENANCE AND TROUBLESHOOTING

7-1. Routine Maintenance

Y Stop engine before maintaining.

Recycle

. See Engine Manual and Maintenance Label. Ser-

vice more often if used in severe conditions.

engine

fluids.

* To be done by Factory Authorized Service Agent.

8 h

Check fluid levels. See Section 4-2.

OIL Full

Wipe up spills.

20 h

25 h

Check and clean spark arrestor screen. See Section 7-4.

Service air filter wrapper (foam element). See Section 7-3.

	50 h
Clean cooling system. See	Clean and
engine manual.	tighten weld
	terminals.

100 h

Change oil. See Section 7-5 and maintenance label.

Change oil filter. See Section 7-5 and maintenance label.

Service air filter element. See Section 7-3.

Clean and tighten battery connections.

Check valve clearance.*

Check spark plugs.

Repair or replace cracked cables.

200 h

Replace fuel filter. See Section 7-5.

Replace unreadable labels.

500 h

Service welding generator brushes and slip rings. Service more often in dirty conditions.*

1000 h

			Blow	out or
	Remove cylinder	Clean crankcase	vacuum inside.		OR
			During	heavy
	head deposits.*	breather valve.
			service, clean

monthly.

OM-486 Page 22

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Contents Description OM-486Processes From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards ARC Rays can burn eyes and skinEngine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fireRadiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interferenceUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interfé rences Principales normes de sé curitéInformation sur les champs é lectromagné tiques Consignes relatives aux stimulateurs cardiaquesWeld, Power, And Engine Specifications SpecificationsSymbol Definitions DefinitionsFuel Consumption Dimensions, Weights, and Operating AnglesDimensions Duty Cycle Auxiliary Power CurveExceeding duty cycle can damage unit and void warranty CC/AC Mode CC/DC ModeCV/DC Mode Volt-Ampere CurvesEngine Prestart Checks InstallationInstalling Welding Generator Read and follow all instruc Activating The Dry Charge Battery If ApplicableDo not overfill battery cells ChargerConnecting To Weld Output Terminals Connecting The BatteryInstalling Exhaust Pipe Connect negative cable last100 ft 30 m Or Less Selecting Weld Cable SizesRemote 14 Receptacle Information 10 100% Duty CycleTo wet out weld puddle Adjusting MIG Weld Puddle ConsistencyStop engine To stiffen weld puddleRemote Amperage/Voltage Switch DC Polarity/AC SwitchDo not switch under load Operating Welding Generator Remote Amperage/Voltage Control Weld Current 120 240 Auxiliary Power Receptacles And Circuit BreakersOperating Auxiliary Equipment Optional Auxiliary Power Receptacles Gfci Receptacle OptionMaintenance and Troubleshooting Maintenance Label Stop engine and let cool Servicing Air CleanerServicing Optional Spark Arrestor Changing Engine Oil, Oil Filter, And Fuel Filter Weld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Welding TroubleshootingOverload Protection Trouble RemedyCheck and adjust engine speed see Section Low weld output Check control settingsCheck and clean air cleaner as necessary see Section See engine manualEngine Auxiliary PowerCheck receptacle wiring and connections Check governor according to engine manualElectrical Diagram Circuit Diagram For Welding GeneratorST-190 578-B Grounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP xTypical Connections To Supply Standby Power 240 120 GroundSelecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes24-Fig Parts ListMain Assembly Dia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Page Service SupportCall Contact your Distributor forHobart Welding Products