Miller Electric 301 G manual Maintenance & Troubleshooting

Page 33

SECTION 8 − MAINTENANCE & TROUBLESHOOTING

8-1. Routine Maintenance

Recycle engine fluids.

YStop engine before maintaining.

.See Engine Manual and Maintenance Label for impor-

tant start-up, service, and storage information. Service more often if used in severe conditions.

*To be done by Factory Authorized Service Agent.

Every 8 h

Check fluid levels. See Section 5-2.

OIL Full

Wipe up spills.

20 h

25 h

Check and clean spark arrestor screen. See Section 8-3.

Service air filter wrapper (foam element). See Section 8-4.

	Every 50 h
Clean and	tighten
weld terminals.
	Every 100 h
Change oil. See	Service air filter element.
Section 8-5and	Service air filter element.
maintenance	See Section 8-4.

label.

Clean cooling system. See engine manual.

Clean and tighten battery connections.

Every 200 h

Change oil filter. See Section 8-5and maintenance label.

Replace fuel filter. See Section 8-5.

Check spark plugs, and replace if fouled. Operation at low speed (1800 rpm) may increase fouling.

Replace unreadable labels.

Repair or replace cracked cables.

Every 500 h

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

Every 1000 h

Blow out or vacuum inside. During	OR
heavy service, clean monthly.

OM-4411 Page 29

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Contents OM-4411207 283E ProcessesDescription From Miller to You Table of Contents Options and Accessories Warranty Arc Welding Hazards Symbol UsageEngine Hazards Compressed Air Hazards California Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécurité− Definitions Symbol DefinitionsWeld, Power, And Engine Specifications − SpecificationsDimensions, Weights, and Operating Angles DescriptionGenerator Power Curve Fuel Consumption While Welding And Using Generator PowerExceeding duty cycle can damage unit and void warranty Duty Cycle100% Duty Cycle at 280 Amperes DC/CC Stick And MIG Mode Volt-Ampere Curves CC/DC Stick ModeCV/DC MIG Mode DC TIG Mode Volt-Ampere Curves Installing Welding Generator − InstallationEngine Prestart Checks OilFull Gasoline Do not overfill battery cells Activating The Dry Charge Battery If ApplicableRead and follow all instruc ChargerInstalling Exhaust Pipe Connecting The Battery+ − Connect negative − cable lastSelecting Weld Cable Sizes Connecting To Weld Output TerminalsSocket Information Remote Receptacle InformationReinstall side panel OM-4411 Adjusting Wire MIG Weld Puddle ConsistencyTools Needed 7/16 For wetter weld puddle for mild steelFront Panel Controls − Operating Welding GeneratorDescription Of Front Panel Controls Generator Power OutputEngine Speed Weld OutputProcess Switch Process Switch SettingsSwitch Setting Process Output On/Off Control Example Combination Remote Amperage Control Stick Remote Amperage/Voltage Control− Operating Auxiliary Equipment Hz Generator Power Receptacles And Circuit Breakers240 V 50 a AC Receptacle RC1 Circuit Breaker CB3Ceptacle RC3 Variable Frequency Hz Generator Power Receptacle RC3120 V 20 a Variable Frequency AC Receptacle RC3Receptacle Current Available in Amperes− Maintenance & Troubleshooting Maintenance Label Servicing Optional Spark Arrestor Oil Servicing Air CleanerFull Tools Needed Changing Engine Oil, Oil Filter, And Fuel FilterOverload Protection Located behind front panel Tools NeededCircuit Breaker CB5 Troubleshooting WeldingTrouble Remedy Variable Frequency Generator Power Receptacle RC3 Hz Generator Power Receptacles RC1 And RC2Engine Start Your Professional Welding Career Now Circuit Diagram For Welding Generator − Electrical Diagram211 395-C − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleMaterial Thickness Reference Chart − -3 41− -4 Main AssemblyBatt 182367 Panel Front w/Components -1Item Panel Front w/ComponentsPanel, Front w/Components Bracket w/Components Generator -1Item Service Your distributor also givesSupport For assistance in filing or settling claims, contact Miller Electric Mfg. CoYour distributor and/or equipment manufacturer’s Transportation Department