Lincoln Electric IM481-B manual Please Examine Carton and Equipment For Damage Immediately

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for selecting a QUALITY product by Lincoln Electric. We want you Thank You to take pride in operating this Lincoln Electric Company product

••• as much pride as we have in bringing this product to you!

CUSTOMER ASSISTANCE POLICY

The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equip- ment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses- sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor- mation or advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customer’s particular purpose, with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any warranty with respect to the sale of our products.

Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements.

Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com for any updated information.

Please Examine Carton and Equipment For Damage Immediately

When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment is received.

Please record your equipment identification information below for future reference. This information can be found on your machine nameplate.

Product _________________________________________________________________________________

Model Number ___________________________________________________________________________

Code Number or Date Code_________________________________________________________________

Serial Number____________________________________________________________________________

Date Purchased___________________________________________________________________________

Where Purchased_________________________________________________________________________

Whenever you request replacement parts or information on this equipment, always supply the information you have recorded above. The code number is especially important when identifying the correct replacement parts.

On-Line Product Registration

-Register your machine with Lincoln Electric either via fax or over the Internet.

For faxing: Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it.

For On-Line Registration: Go to our WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then “Product Registration”. Please complete the form and submit your registration.

Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection. The level of seriousness to be applied to each is explained below:

WARNING

This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life.

CAUTION

This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment.

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Contents Safety Depends on You IM481-BSafety Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately Table of Contents Output Control LOCAL-REMOTE Switch Meanings of Graphic SymbolsPower ON-OFF Switch Output Control DialVoltmeter Switch Circuit BreakerThermal Protection Light Rating Plate Degree of protection provided by the enclosureChassis Ground Connection Earth Ground ConnectionSignifying the Earth Ground Connection Signifying the Chassis Ground ConnectionRecommended Processes & Equipment Operational Features & ControlsGeneral Machine Description Design SummaryWATER COOLER CONNECTOR Auxiliary Power ConnectionsRemote Control Connections Case FeaturesMachine & Circuit Protection Thermal Protection Light ParallelingMETER OPTION Technical Specifications Input Power Connections InstallationSafety Precautions FALLING EQUIPMENT can causeOutput Cables Installation of Field Installed OptionsOutput Cable Connections Electric Shock can killWire Feeder Control Cable Connections Undercarriages K817P, K841Connection of CV 500-I to LN-22 or LN-25 Operating Instructions Power Source OperationSafety Precautions ELECTRIC SHOCK can kill Duty Cycle Amps VoltsFront View of 14-PIN Connector Receptacle PIN LEAD NO FunctionTerminal Strip Connections VAC Auxiliary Power for Water Cooler Routine MaintenanceMachine and Circuit Protection Troubleshooting HOW to USE Troubleshooting GuideTROUBLESHOOTING GUIDE Trouble Cause What To DoFaulty Output Control potentiometer Trouble Cause What To Do Power I/O Switch Check Connecting the Remote Control to the MachineFault Protection Operation Output VoltagePower Diode Test Remote Control CheckPower Rectifier Bridge Assembly Checking Procedure Power Silicon Controlled Rectifier TestRubber Boot Gate leads plug to Control P.C. board To plug To T1 main transformerEnhanced Diagram Page Page Precaucion Warnung