Miller Electric SRH-503 manual Maintenance & Troubleshooting, Routine Maintenance, Fuse F1

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SECTION 6 − MAINTENANCE & TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

3 Months

Replace unreadable labels.

6 Months

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

Repair or	Clean	and
replace	tighten	weld
cracked	terminals.
weld
cable.

6-2. Fuse F1

Tools Needed:

3/8 in

Turn	Pull Out And Replace Fuse
	(Install Flat End Of Fuse Into Cover)

YDisconnect and lockout/tag- out input power before open- ing rear access door to change fuse.

1Fuse Holder Cover

2Fuse F1 (See Parts List For Rating)

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

Close rear access door.

Turn

Ref. ST-800 101-C

OM-2236 Page 20

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Contents OM-2236 ProcessesDescription From Miller to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers Identifie un message de sécurité particulier − Consignes DE Sécurité − À Lire Avant UtilisationLE Soudage peut causer un incen- die ou une explosion LES Particules Projetées peu- vent blesser les yeuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques General Precautionary Label − DefinitionsNameplate Safety Symbols Input Connection LabelDo Not Lift ? a− Installation SpecificationsDuty Cycle And Overheating Volt-Ampere Curves Selecting a LocationMovement Location And Airflow Dimensions And Weights Dimensions w/Running Gear And Lift EyeBe careful when placing or moving unit over uneven surfaces TippingSelecting And Preparing Weld Output Cables Weld Cable Sizes150 ft 200 ft 250 ft 300 ft 350 ft 45 m 60 m 70 m 90 m 105 m 120 mConnecting To Weld Output Terminals Electrical Service GuidePlacing Jumper Links Connecting Input Power Welding Power Source Input Power Connections Disconnect Device Input Power Con- nections − Operation ControlsElectrode/Amperage Selector − Maintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining Months Fuse F1Troubleshooting Table Trouble RemedyOM-2236 − Electrical Diagram Circuit Diagram− Parts List Main AssemblyHINGE,CONT Polyolefin Copolymer 2.000 L W/.125H THERMOSTAT,NC Open 135C Close 135C W/INSUL Leads Service SupportOwner’s Record Miller Electric Mfg. Co