Miller Electric 652, 812 manual Maintenance & Troubleshooting, Routine Maintenance, Fuse F1, Months

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

SECTION 6 − MAINTENANCE & TROUBLESHOOTING

6-1. Routine Maintenance

! Disconnect power before maintaining.

3 Months

Replace unreadable labels.

Repair or replace cracked weld cable.

Clean and tighten weld terminals.

6 Months

Blow out or vacuum inside.

During heavy service, clean monthly.

6-2. Fuse F1

Tools Needed:

3/8 in

! Disconnect and lockout/tag- out input power before checking or changing fuse.

1 Fuse F1 (See Parts List For Rating)

Fuse F1 protects control transform- er from overload. If F1 opens, weld

1output and fan motor stops. Re- place F1.

Close and secure access door.

Ref. 800 101-C

6-3. Short Circuit Shutdown

When contact tip is shorted and sticks to workpiece, the unit output falls to a safe operating level. To resume operation, release gun trigger, turn Off unit, and remove contact tip from workpiece. Check contact tip and replace if damaged. Turn On unit to continue operation.

OM-278 Page 24

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Contents File Multi-Process ProcessesDescription From Miller to You Table of Contents Decstat6/05 DirectivesStandards Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-278 General Precautionary Label − DefinitionsNameplate Safety Symbols Input Connection LabelElectric Shock And Airflow Label ? aManufacturer’s Rating Label For CE Products Weee Label For Products Sold Within The EUSpecifications − InstallationSymbols And Definitions CC Mode CV Mode Duty Cycle And OverheatingVolt-Ampere Curves 100% Duty Cycle460 mm OM-278 Selecting a LocationMovement Location And Airflow Dimensions And Weights DimensionsWeight Holes FrontWeld Output Terminals TippingVAC Receptacle And Supplementary Protectors Connecting Weld Output Cables Selecting Cable SizesMig Gmaw Cable Connections Gas Flowmeter RegulatorTurn Off power before making connections Rear Wire FeederMig Gmaw And Flux Cored Fcaw Cable Connections Fcaw GaslessTo remote On/Off switch TIG Gtaw Cable ConnectionsRemote 14 Receptacle RC8 Information InformationConnecting Remote Control Electrical Service GuidePlacing Jumper Links Tools Needed Do not overtighten Jumper link nutsConnecting Input Power Welding Power Source Input Power Con- nectionsDisconnect Device Input Power Connec- tions = GND/PE Earth Ground− Operation Controls Non CE ModelsControls CE Models − Maintenance & Troubleshooting Routine MaintenanceFuse F1 Short Circuit ShutdownTroubleshooting Trouble Remedy− Electrical Diagram Circuit Diagram218 514-B Recommended Spare Parts − Parts ListRecommended Spare Parts Page Page Support ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s