Hobart Welding Products 625 manual Checking Torch Shield Cup Shutdown System

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

6-2. Overload Protection: Status 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.

Shield

Cup

If certain problems occur, a status 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 4-12).

A flashing Pressure light indicates that gas/air system may be set too low, faulty, leaking or has a flow restriction (see Section 6-4).

2 Cup Light

Lights if shield cup is loose/off.

Turn Power On and loosen shield cup. If shutdown system works properly, Cup light comes on. If not, turn power Off and have a factory authorized service agent check unit.

If system works properly, retighten cup and reset power.

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 6-3).

Check shield cup shutdown system once a week.

3 Temperature Light

Lights if power source overheats or when ambient temperature is below −20° C (−4° F) (see Section 4-3).

Fan-On-Demand

Cooling fan will operate during the following conditions:

aUnit is in an OVERTEMP condition. TEMP indicator light will illuminate and fan will run until unit cools down.

bUnit gets hot during idle, either from a change in ambient air temperature or after long periods of cutting.

cUnit is in cutting or postflow mode.

Ref. 200 808 / Ref. 801 300-A

OM-926 Page 23

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Contents File Plasma Cutters OM-926Processes DescriptionFrom Hobart to You Table of Contents Page Cutting can cause fire or explosion Symbol UsageMarks a special safety message Plasma Arc Cutting HazardsNoise can damage hearing Exploding Parts can injureFlying Sparks can cause injury ARC Rays can burn eyes and skinCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers Identifie un message de sécurité particulier Signification des symbolesLE Coupage présente un risque de feu ou d’explosion UNE Décharge Électrique peut entraîner la mortLE Plasma D’ARC peut entraîner des blessures Risque de blessure en casLE Bruit peut endommager l’ouïe LES Fumées ET LES GAZ peuvent être dangereuxRisque D’INCENDIE OU DES Pieces Chaudes peuvent pro- voquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures LA Chute DE L’APPAREIL peut blesserConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques LE Coupage Ã L’ARC peut causer des interférence− Definitions I1maxI1eff Torch Dimensions And Weight − InstallationSpecifications Specifications For TorchUnit Dimensions, Weight, And Movement Dimensions And WeightMovement Do not move or operate unit where it could tip Connecting Work Clamp and Gas/Air Supply 90-120 psiRear of Unit Extension Cord Data Electrical Service Guide50/60 Hz Single Phase Time-DelayDo not move or operate unit where it could tip = GND/PE Selecting a Location And Connecting Input PowerTerminals Prong Not UsedAlways connect green or Terminal, never to a loadInstalling Alternative Plug Setting Gas/Air PressureSetting Gas/Air Pressure Cutting Speed Pressure Gauge Pressure Adjustment Knob− Operation ControlsPlasma Cutting System Practices Trigger Safety LockPilot arc starts immediately when trigger is pressed When doing extended non-shieldedArea as possible Sequence Of Cutting OperationHold torch at approximately Angle to workpiece Sequence Of Gouging OperationCutting Sequence Of Piercing OperationRoutine Maintenance − Maintenance & TroubleshootingShield Cup Checking Torch Shield Cup Shutdown SystemChecking/Replacing Retaining Cup, Tip, And Electrode Turn Off power source before checking torch partsLight On? Is Pressure Status Troubleshooting Power SourceCheck torch consumables Is Temp StatusTroubleshooting Torch Circuit Diagram − Electrical Diagram− Parts List Recommended Spare PartsRecommended Spare Parts 195 110 ICE-40C 25ft Torch 195 111 ICE-40C 50ft Torch See -1for additional Consumable partsWork like a Pro Service SupportAssistance Hobart Welding Products Contact your Distributor for