Page 1: ...PC250 Plasma Cutting System Instruction Manual FORM NO 0056 2990 EFFECTIVE January 2004 Safety and Operating Instructions For Your Safety PLEASE READ CAREFULLY IMPORTANT...
Page 2: ...tallation and Operation 11 Site Location 11 Unpacking 11 Electrical Connection 11 12 Operation 12 Functional Overview 12 Operating Control 12 13 Getting Started 13 Torch Consumables Parts Selection 14...
Page 3: ...ficantly affect safety are identified with the following headings Please read and understand this manual Pay special attention to items identified with these headings Means there is a possibility of i...
Page 4: ...iac pacemakers hearing aids or other electronic health equipment Persons who work near plasma arc cutting applications should consult their medical health professional and the manufacturer of the heal...
Page 5: ...ts that can start fires burn skin and damage eyes ARC RAYS CAN INJURE EYES AND BURN SKIN Plasma Arc Rays can injure your eyes and burn your skin The plasma arc process produces very bright ultra viole...
Page 6: ...ium Lead Silver Cadmium Manganese Vanadium For information on how to test for fumes and gases in your workplace refer to item 1 in the Publications section in this manual Use special equipment such as...
Page 7: ...eune Rd Miami FL 33126 8 NFPA Standard 51 OXYGEN FUEL GAS SYSTEMS FOR WELDING CUTTING AND ALLIED PROCESSES obtainable from the National Fire Protection Association Batterymarch Park Quincy MA 02269 9...
Page 8: ...months after an authorized distributor sells the product to its customer whichever is longer except that in no event will this war ranty exceed eighteen months from the date the product is sold from S...
Page 9: ...er for service interruption In no event will this warranty obligate Seller for any amount exceeding the price of the goods upon which liability is based Correction of non conformities in the manner an...
Page 10: ...Air Pressure Yellow Temperature Indicator Power Switch Illuminated ON OFF Switch UL CSA Listed Power Cord 6 5 ft 2m 20Amp Power Plug Plasma Gun 13 ft 4m Firepower EL60 Ground Cable and Clamp 13ft 4m...
Page 11: ...tion meets all safety requirements UNPACKING The system is packaged with a carton and packing material to prevent damage during shipping A System Components Included with each system is the following...
Page 12: ...so an adequate filter and moisture trap FUNCTIONAL OVERVIEW The Firepower PC250 Plasma Cutting System is designed to provide a plasma cutting system which can cut most metals from gauge thickness up t...
Page 13: ...proper torch parts for the desired application refer to Section called Torch Consumable Parts Selection NOTE The power supply will not operate unless the torch shield cup is fully seated against the...
Page 14: ...til it is seated on the torch head If resistance is felt when installing the cup check the threads before proceeding Improper assembly or use of non standard torch parts can cause the torch head to sh...
Page 15: ...eaves the torch to maintain a smooth column of gas This swirl effect results in one side of a cut being more square than the other Viewed along the direction of travel the right side of the cut is mor...
Page 16: ...e control switch When the switch is released a ten second post flow will occur If the torch switch is closed during the post flow the cutting arc will restart immediately when the torch is brought wit...
Page 17: ...he AC indicator light on the front panel of the power supply is ON Even if precautions are taken to use only clean air with a torch eventually the inside of the torch becomes coated with residue This...
Page 18: ...wing procedure NOTE The tip gas distributor and electrode are held in place by the shield cup Position the torch with the shield cup facing upward to prevent these parts from falling out when the cup...
Page 19: ...acturer without proper authorization will not be accepted B How to use this Guide The following information is a guide to help determine the most likely causes for various symptoms This guide is set u...
Page 20: ...seated against torch head 2 Faulty Torch Switch or PIP Assembly in torch holder a Refer to Servicing Torch Head Components 3 Faulty Main PC Board a Repair Replace Power Supply E AC indicator ON Over...
Page 21: ...10 1445 0960 1 4 G 1 4 NPT CONNECTOR 1 11 1444 0428 GROMMET CABLE CLAMP 1 12 1445 0962 INPUT CABLE SJT 3XAWG14USA PLUG 115V 20A 1 13 1445 0963 COVER PANEL 1 14 1445 0964 GROUND CABLE 13 ft 6MM2 200A C...
Page 22: ...listed in the descrip tion column of the Parts List Also include the model and serial number of the torch Address all inquiries to your authorized distributor 22 Part Description Pkg Qty 1445 0928 70d...
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