Miller Electric 402, 652 (60 Hz) Maintenance and Troubleshooting, Routine Maintenance, Fuse F1

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

SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

! Disconnect power before maintaining.

. Maintain more often during severe conditions.

n = Check	Z = Change	~ = Clean	Δ = Repair	l = Replace
* To be done by Factory Authorized Service Agent

Every 3 Months

nl Labels

n~ Weld Terminals

Every 3 Months

nΔ lCables And Cords

Every 6 Months

~:During heavy service, clean monthly.

6-2. Fuse F1

Tools Needed:

3/8 in

! Turn Off power before open- ing rear access door.

	1 Fuse F1 (See Parts List For
1	Rating)

Fuse F1 protects control transform- er from overload. If F1 opens, weld output and fan motor stops. Re- place F1.

Close and secure access door.

Ref. ST-800 101-C

OM-222 Page 23

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Contents File Stick Smaw Arc Welding Power SourceProcesses DescriptionFrom Miller to You Table of Contents Standards DirectivesDecstat6/05 HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-222 − Definitions General Precautionary Label? a Nameplate Safety SymbolsInput Connection Label Electric Shock And Airflow LabelManufacturer’s Rating Labels For CE Products Weee Label For Products Sold Within The EU Symbols And DefinitionsSpecifications − InstallationDuty Cycle And Overheating Amp Model Volt-Ampere CurvesLocation And Airflow Selecting a Location352 lb 160 kg 404 lb 183 kg 505 lb 229 kg Holes EFront Dimensions And WeightsDimensions Amp Models WeightVAC Receptacle And Supplementary Protectors TippingWeld Output Terminals Selecting Cable Sizes Connecting Weld Output CablesTo remote On/O ff sw itch Connecting Remote ControlRemote 14 Receptacle Information InformationElectrical Service Guide Tools Needed Do not overtighten Jumper link nuts Placing Jumper Links= GND/PE Earth Ground Connecting Input PowerWelding Power Source Input Power Connections Disconnect Device Input Power Connec- tionsControls Non CE Models Turn Off Power before reversing cablesTurn Off power before connecting re- mote device − OperationControls CE Models Fuse F1 − Maintenance and TroubleshootingRoutine Maintenance Disconnect power before maintainingReset supplementary protector CB1 see Section TroubleshootingTrouble Remedy OM-222 Circuit Diagram − Electrical Diagram218 518-A Recommended Spare Parts − Parts ListRecommended Spare Parts Page Page Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact