Miller Electric HF-251-2, HF-251D-1 Maintenance & Troubleshooting, Routine Maintenance Months

Page 21

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1.

Routine Maintenance

 

 

 

 

 

 

3 Months

 

3 Months

Disconnect all power before maintaining.

 

 

 

 

Replace

 

 

 

 

 

 

Tape Or

 

Cracked

 

 

 

Parts

 

 

Replace

 

 

 

 

 

14-Pin Cord

 

Cracked

 

 

 

 

 

 

 

Cables

 

 

 

 

Replace

 

 

 

 

Unreadable

 

Gas Hose

Torch Cable

 

Labels

 

 

 

 

Clean

 

 

Adjust

 

And

 

 

 

 

 

Spark

 

Tighten

 

 

 

 

 

Gaps

 

Weld

 

 

 

 

 

 

 

Terminals

 

 

 

 

 

 

6 Months

 

 

 

OR

Blow Out

 

 

 

Or

 

 

 

 

Vacuum

 

 

 

 

Inside

 

 

 

During Heavy Service,

 

 

155 457

Clean Monthly

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Contents OM-611 ProcessesDescription From Miller to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Identifie un message de sécurité particulierLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques − Installation SpecificationsTypical Process Connections IN-GAS-OUT Installing Gas SupplyAmperage Control Power Source Plug Information And ConnectionsOperator Control Receptacle Information And Connections Operator Control Receptacle Socket InformationSocket Electrode Electrode OUT Work INPUT/OUTPUT Connecting To Weld Output TerminalsConnecting Input Power High Frequency Selector Switch High Frequency Switch− Operation ControlsPostflow Timer Power Switch And Pilot LightHigh Frequency Intensity Control Shielding GasRoutine Maintenance Months − Maintenance & TroubleshootingAdjusting Spark Gaps Trouble Remedy TroubleshootingCircuit Diagram For 115 Volts Model − Electrical DiagramsCircuit Diagram For 230 Volts Model − High Frequency Incorrect InstallationWelding Processes Requiring High Frequency Weld ZoneCorrect Installation Metal BuildingMetal Building Requirements AC − Argon AC − Argon − Amperage Range Gas Type PolarityPreparing Tungsten Electrode For Welding − Guidelines for TIG Welding GtawPositioning The Torch Preparing Tungsten For Conventional AC WeldingPositioning Torch Tungsten For Various Weld Joints Torch Movement During WeldingTungsten Without Filler Rod Tungsten With Filler RodReturn To Table Of Contents Complete Assembly Part 1 of 2 115V Model − Parts ListComplete Assembly Part 1 Complete Assembly Part 2 of 2 115V Model Complete Assembly Part 2 Page Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record
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