Lincoln Electric SVM149-A service manual General Options Accessories

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C-2		ACCESSORIES	C-2

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ALWAYS USE GENUINE LINCOLN ELECTRIC ELECTRODES AND VORTECH™ NOZZLES

•Only Genuine Lincoln Electric consumables yield the best cutting performance for the PRO-CUT 25.

•The patented VORTECH™ nozzle provides an extra “kick” of swirl as the arc exits the nozzle which improves cutting performance. No other nozzle has this capability or can match its performance.

GENERAL OPTIONS /

ACCESSORIES

The following options/accessories are available for your PRO-CUT 25 from your local Lincoln Distributor.

S22147-028- VORTECH™ nozzle with an .028” (0.7 mm) Orifice

S22149 - Electrode - replacement electrodes for cut- ting.

S22150 - Shield Cup - This shields the nozzle and pro- vides more visibility to the workpiece. Note the shield cup does not prevent the torch tip from touching the workpiece.

K1615 Series - PCT 20 Torches come in 15’ and 25’ lengths. Refer to the Parts Pages in the rear of this manual for Torch parts.

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PRO-CUT 25

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Contents PRO-CUT Safety Cylinder may explode if damaged Safety Précautions DE SûretéMaster Table of Contents for ALL Sections PRO-CUT Table of Contents Installation SectionInstallation Technical Specifications PRO-CUT 25 K1756-1High Frequency Interference Protection Safety Precautions Electric Shock can KillSelect Proper Location Input Electrical ConnectionsGAS Input Connections Output Connections TorchPRO-CUT Table of Contents Operation Section Operation Safety PrecautionsPreheat Temperature for Plasma Cutting DescriptionDesign Features Advantages Operational Features and ControlsUser Responsibility Cutting Capability Consumable LifeControls and Settings LimitationsApparently wrong, reset the machine by turning Pilot ARC DiscussionProcedure Recommendations General In All CasesPRO-CUT Accessories General Options Accessories Maintenance Routine Maintenance Electric Shock can killPRO CUT PRO-CUT Table of Contents Theory of Operation Section General Description Theory of OperationInput Line VOLTAGE, and Auxiliary Transformer Precharge and Protection Figure E.3 Precharge and ProtectionMain Transformer Return Return to Section TOCFigure E.5 Plasma Output Section and Torch Control Board Figure E.6 Control BoardProtection Circuits Safety PARTS-IN-PLACE ProtectionAccidental Operation Protection Insulated Gate Bipolar Transistor Igbt Operation Table of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Output Problems Function Problems See the Operation section Troubleshooting & Repair LED Function Problems Input Filter Capacitor Discharge Procedure DescriptionDischarge Procedure Right Side of MachineMain Inverter Board Resistance Test Right Side of Machine IGBT’s D2 D1 D11 D10 PRO-CUT Input Board Voltage Test Test Points Fan PRO-CUT Main Inverter Board Voltage Test P2 P1 P2 P1 PRO-CUT Torch Continuity and Solenoid Test Torch Continuity and Solenoid Test Torch Continuity and Solenoid Test PRO-CUT AIR/GAS Solenoid Test AIR/GAS Solenoid Test Control Board Removal and Replacement Small Red Cap Screws Over tighten Input Board Removal and Replacement Input Board Input Board Removal & Replacement PRO-CUT Main Inverter Board Removal and Replacement Main Board Main Inverter Board Removal & Replacement PRO-CUT Switch Removal and Replacement PRO FAN Removal and Replacement Fan Do Not Over tighten Retest After Repair Machine Input and OutputElectrical Diagrams Table of Contents Electrical Diagrams SectionInput Voltage Board Pressure SCHEMATIC- Control Printed Circuit Board Sheet Electrical Diagrams Electrical Diagrams PC Board Assembly Main Inverter Board PC Board Assembly Input Board Cutting Current Path SVM Error Reporting Form