Lincoln Electric SVM104-A service manual Output Connections, Work

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A-7

INSTALLATION

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OUTPUT CONNECTIONS

WARNING

To avoid receiving a high frequency shock, keep the torch and cables in good condition.

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The standard PRO-CUT 60 cutting torch comes with a 25 ft. (7.6m) cable. A cutting torch with a 50 ft. (15.2m) cable is available. The PRO-CUT 60 is shipped with the torch and work cables already connected. Should you have to connect the torch or work cables, use the following procedure:

See Figure A.4 for the location of torch and work connections.

Connect cutting torch to machine. See Figure A.4.

1.Turn OFF Power Line switch.

2.Disconnect input power to the machine.

3.Insert the torch cable into the machine through the cable boot (8).

a.Insert enough torch cable to make all connections.

4.Turn and lock strain relief clamp (1) onto bolt to secure the gas line.

5.Connect the gas line fitting to the brass union and tighten with a wrench.

6.Connect to pilot lead (5) to terminal marked “PILOT”.

7.Connect work lead (7) to terminal marked “WORK”.

 

 

PILOT

 

WORK

 

Strain Relief Clamp

Pilot Lead

4-Pin Connector

Bolt

Bulkhead Connector

Work Lead

(Brass Fitting)

Cable Boot

Gas Line

 

FIGURE A.4. -- Connect Torch Cable To Machine

Connect work clamp to work clamp cable, which extends from the front of the machine. See Figure A.5.

1.Insert the cable through the hole at the end of the work clamp handle.

2.Pull the work clamp cable through the hole until it reaches the nut and bolt assembly.

3.Tighten the nut and bolt.

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8. Connect 4-pin connector (2).

FIGURE A.5. -- Connect Work Clamp

PRO-CUT 60

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Contents SVM104-A Safety Electric Shock can killWelding or Cutting Sparks can cause fire or explosion Iii Electric and Magnetic FieldsPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Technical Specifications PRO-CUTHigh Frequency Interference Protection Safety Precautions Electric Shock can KillSelect Proper Location Tilting➁ ➂ ➀ ➃ Input Electrical ConnectionsGround Connection Fuse and Wire SizesInput Power Supply Connections AIR Input Connections Reconnect Procedure 208/230/460 VAC machinesOutput Connections WorkTable of Contents Operation SectionOperation Electric Shock can killGeneral Description Operational Features and ControlsDesign Features Advantages Recommended Processes and EquipmentLimitations Controls and SettingsCutting and Gouging Capability Operating Steps ON/OFFCutting Procedure Recommendations Use Pilot Arc ProperlyCutting Thin Gauge Sheet Metal Cutting Expanded Metal Figure B.3 -- Gouging Metal Return to Section TOC Accessories Section Accessories OPTIONS/ACCESSORIESMaintenance Section Section DCapacitor Discharge Procedure MaintenanceSafety Precautions Procedure DescriptionProcedure Figure D.1 Capacitor Discharge ProcedureRoutine and Periodic Maintenance Perform the following dailyMaintenance PRO-CUT Theory of Operation Section Theory of Operation SectionTheory of Operation Input Line Voltage and Main TransformerOutput Rectification Control and Feedback Figure E.3 Output Rectification, Control and FeedbackHigh Voltage / High Theory of Operation Pilot ARCTransistor Switching Operation Figure E.7 Transistor Switching OperationThermostat Pulse Width ModulationThermal Protection Thermal SensorPRO-CUT Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuideTroubleshooting PC Board Troubleshooting Procedures Board can be dam- aged by static electricityTroubleshooting Guide Troubleshooting Guide PRO-CUTConnect ALL Input Disconnect ALL Input Machine Troubleshooting & Repair Function Problems AIR Flow Problems Cutting Problems Control Board Connector Location Power Board Connector LocationCapacitor Discharge Procedure Figure F.19-Capacitor Discharge Procedure Insulated Pliers GlovesTest Description Torch and Cable Resistance Test Procedure WorkFigure F.4 Torch and Cable Resistance Test Points Safety Circuit Test Internal TriggerReturn to Return to Section TOC Figure F.6-Control Board and 4-pin Locations Transistor Module Test Test DescriptionTest Procedure J21 Main Transformer Test Test Procedure Test a Main Secondary Voltage TestCR2 Power Board Test Figure F.11-Power Board Test Points Transistor Module Test Troubleshooting & Repair High Voltage Transformer and Circuit Test Figure F.12-High Voltage Test Component Locations Test C Test Resistance of High Voltage Transformer Secondary ON/OFF Power Switch Removal REMOVAL/REPLACEMENT DescriptionREMOVAL/REPLACEMENT Procedure ➂ ➃ ➄Control Board Removal To Section TOC Power Board Removal Figure F.14-Power Board Removal/Replacement Return to Return to Section TOC 41TROUBLESHOOTING & Repair Transistor Module RemovalRemoval Procedure SCR Module Removal Socket Head CAP Screws Torque to Power Board REMOVAL/ Replacement Procedure FAN Blade and FAN Motor REMOVAL/REPLACEMENT Figure F.17-Fan Blade & Fan Motor To Section TOC Torch Head REMOVAL/REPLACEMENT Figure F.18-Torch Head Removal/Replacement Section TOC Input Idle Amps Maximum Acceptable Output Voltage AT Minimum Output SettingRetest After Repair Recommended Meters for Machine Output TestsPRO-CUT Electrical Diagrams Electrical DiagramsStatus Board Schematic Diagram Bypass Board Schematic Diagram M15603 H E M a T I CBypass Board Schematic Diagram M17322 PRO-CUT Electrical Diagrams Control Board IdentificationPower Board Power Board IdentificationStatus PC Board M15601 StatusStatus PC Board M15601Bypass PC Board M15603 BypassBypass PC Board M15603 Bypass PC Board M17322 Bypass PC Board M17322 Wiring Diagram for Codes 10112 0 , J 2Wiring Diagram for Codes 9819 Control Board Schematic Drawing G2015 Power Board Schematic Design SVM Error Reporting Form