Miller Electric pmn warranty Checking Torch Shield Cup Shutdown System

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6-2. Overload Protection: Trouble Lights & Checking Shield Cup Shutdown System

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Checking Torch Shield Cup Shutdown System

.Power must be reset whenever the cup shutdown system is activated.

Always turn Off power when changing or checking consumables. Do NOT overtighten torch shield cup. Gently finger tighten cup onto torch.

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If certain problems occur, the Ready light goes off, a trouble light comes on, and output stops.

1 Pressure Light

Lights if gas/air pressure is below 40 PSI (276 kPa).

Turn power Off, and check for proper gas/air pressure (see Section 5-1).

A flashing Pressure light indicates that gas/air system may be set too low, faulty, leaking or has a flow re- striction (see Section 6-5).

2 Cup Light

Lights if shield cup is loose.

Turn power Off, and check shield cup connection (see torch Owner’s Manual). Power must be reset whenever the cup shutdown is activated.

A flashing Cup light indicates that the torch consumables are stuck or worn and should be inspected and/ or replaced (see Section 6-4).

Check shield cup shutdown system once a week.

3 Temperature Light

Lights if power source overheats or when ambient temperature is below −35° C (−31° F) (see Section 4-3).

4 Torch Shield Cup

Turn Power On and loosen shield cup. If shutdown system works properly, Ready light goes off and Cup light comes on. If not, turn power Off and check for proper gas/air pressure (see Section 4-1), blocked or leaking hose, or loose shield cup (see torch Owner’s Manual).

If system works properly, retighten cup and reset power.

Ref. 200 808 / Ref. 802 877

OM-228 305 Page 20

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Contents OM-228 305D 2007−06 Processes DescriptionFile Plasma Cutters Page Table of Contents Page Symbol Usage Plasma Arc Cutting HazardsCutting can cause fire or explosion Electric Shock can killFlying Sparks can cause injury ARC Rays can burn eyes and skinNoise can damage hearing Fumes and Gases can be hazardousHOT Parts can cause severe burns Falling Unit can cause injuryMoving Parts can cause injury Fire or Explosion hazardPrincipal Safety Standards EMF Information California Proposition 65 WarningsAbout Implanted Medical Devices Signification des symboles − Consignes DE Sécurité − Lire Avant UtilisationLE Coupage présente un risque de feu ou d’explosion UN Choc Électrique peut tuerRisque de blessure en cas LE Bruit peut endommager l’ouïeLES Fumées ET LES GAZ peuvent être dangereux LE Plasma D’ARC peut entraîner des blessures LES Bouteilles peuvent exploser si elles sont endommagéesDES Pieces Chaudes peuvent pro- voquer des brûlures graves DES Organes Mobiles peuvent provoquer des blessuresProposition californienne 65 Avertissements LA Chute DE L’APPAREIL peut blesserRisque D’INCENDIE OU LE Coupage à L’ARC peut causer des interférencePrincipales normes de sécurité Information EMFEn ce qui concerne les implants médicaux − Definitions I1maxI1eff − Installation SpecificationsSpecifications For Torch Duty Cycle And OverheatingTorch Dimensions And Weight Dimensions And WeightSelecting a Location Location And AirflowConnecting Gas/Air Supply Connecting Work Clamp Connecting Input PowerInstalling Alternative Plug Setting Gas/Air Pressure − OperationControls 60 PSITrigger Safety Lock Cutting SpeedSequence Of Operation Sparks go thru metal− Maintenance & Troubleshooting Routine MaintenanceDisconnect power Before maintainingChecking Torch Shield Cup Shutdown System Cup Light Lights if shield cup is looseTorch And Work Cable Connections Torch ConnectionsWork Cable Connections Turn Off power source before checking torch parts Checking/Replacing Retaining Cup, Tip, And ElectrodeTroubleshooting Power Source Yes gas/air flow at torch. CheckTroubleshooting Torch − Electrical Diagram Circuit Diagram− Parts List Main AssemblyDiagram Part Marking Description Quantity Torch, ICE-27C Page Page Warranty Owner’s Record

pmn specifications

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