Lincoln Electric SVM104-A service manual Operating Steps, On/Off

Page 19

 

 

 

 

 

OPERATION

B-4

TOC

TOC

 

 

 

Return to Section

Return to Master

 

 

 

 

 

 

 

 

 

 

 

 

to Section TOC

to Master TOC

 

 

 

 

 

Return

Return

1.

Safety Reset Button,

2.

Purge/Run Switch,

3. Status LED Display,

4.

Output Current Control,

5.

ON/OFF Power Switch

 

 

 

 

FIGURE B.1 Control Panel Keys

 

 

 

 

 

NOTE: If the SAFETY LED glows, press the

TOC

TOC

OPERATING STEPS

 

 

SAFETY RESET button. If there is no prob-

 

 

lem, the SAFETY LED will go off. If the SAFE-

 

 

 

 

 

 

 

 

Section

Master

When preparing to cut or gouge, position the

TY LED remains on, turn the ON/OFF

POWER SWITCH to OFF and refer to the

sure you have all materials needed to complete

 

 

machine as close to the work as possible. Make

TROUBLESHOOTING GUIDE in the TROU-

 

 

 

 

 

to

to

the job and have taken all safety precautions. It is

BLESHOOTING AND REPAIR SECTION of

this manual for a recommended course of

Return

Return

important to follow these operating steps each

action.

 

 

 

 

time you use the machine.

 

 

 

 

 

 

 

 

 

1. Turn the machine's

ON/OFF

POWER

5. Set the PURGE/RUN switch in the PURGE

 

 

position.

 

 

SWITCH to OFF position.

 

 

 

 

 

 

- The air flow starts.

 

 

 

 

 

 

 

2. Connect air supply to the machine.

 

- The AIR PRESSURE LED glows.

 

 

 

 

 

 

3. Turn on main AC power supply

to the

6. Adjust air pressure to 60 psi with the air

 

 

flowing.

TOC

TOC

machine.

 

 

 

 

 

4. Turn the machine's

ON/OFF

POWER

7. Move the PURGE/RUN SWITCH to RUN.

Section

Master

-Postflow air flows for 20 seconds.

SWITCH to ON.

 

 

 

 

 

 

 

 

 

 

 

to

to

- The green POWER ON LED glows.

 

During this time, the pilot arc immediately

 

starts when the torch trigger is pulled. After

Return

Return

- The fan starts.

 

 

 

 

20 seconds, air preflows for two seconds.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRO-CUT 60

Image 19
Contents SVM104-A Electric Shock can kill SafetyWelding or Cutting Sparks can cause fire or explosion Electric and Magnetic Fields IiiSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Technical Specifications PRO-CUT InstallationTilting Safety Precautions Electric Shock can KillSelect Proper Location High Frequency Interference ProtectionInput Electrical Connections ➁ ➂ ➀ ➃Input Power Supply Connections Fuse and Wire SizesGround Connection AIR Input Connections 208/230/460 VAC machines Reconnect ProcedureWork Output ConnectionsOperation Section Table of Contents Electric Shock can kill OperationRecommended Processes and Equipment Operational Features and ControlsDesign Features Advantages General DescriptionCutting and Gouging Capability Controls and SettingsLimitations ON/OFF Operating StepsUse Pilot Arc Properly Cutting Procedure RecommendationsCutting Thin Gauge Sheet Metal Cutting Expanded Metal Figure B.3 -- Gouging Metal Return to Section TOC Accessories Section OPTIONS/ACCESSORIES AccessoriesSection D Maintenance SectionProcedure Description MaintenanceSafety Precautions Capacitor Discharge ProcedureFigure D.1 Capacitor Discharge Procedure ProcedurePerform the following daily Routine and Periodic MaintenanceMaintenance PRO-CUT Theory of Operation Section Theory of Operation SectionInput Line Voltage and Main Transformer Theory of OperationFigure E.3 Output Rectification, Control and Feedback Output Rectification Control and FeedbackHigh Voltage / High Pilot ARC Theory of OperationFigure E.7 Transistor Switching Operation Transistor Switching OperationThermal Sensor Pulse Width ModulationThermal Protection ThermostatPRO-CUT Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairBoard can be dam- aged by static electricity Troubleshooting PC Board Troubleshooting ProceduresTroubleshooting Guide PRO-CUT Troubleshooting GuideConnect ALL Input Disconnect ALL Input Machine Troubleshooting & Repair Function Problems AIR Flow Problems Cutting Problems Power Board Connector Location Control Board Connector LocationCapacitor Discharge Procedure Insulated Pliers Gloves Figure F.19-Capacitor Discharge ProcedureTest Description Work Torch and Cable Resistance Test ProcedureFigure F.4 Torch and Cable Resistance Test Points Internal Trigger Safety Circuit TestReturn to Return to Section TOC Figure F.6-Control Board and 4-pin Locations Test Description Transistor Module TestTest Procedure J21 Main Transformer Test Test a Main Secondary Voltage Test Test ProcedureCR2 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 REMOVAL/REPLACEMENT Description ON/OFF Power Switch Removal➂ ➃ ➄ REMOVAL/REPLACEMENT ProcedureControl Board Removal To Section TOC Power Board Removal Figure F.14-Power Board Removal/Replacement Return to Return to Section TOC Transistor Module Removal 41TROUBLESHOOTING & RepairRemoval 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 Recommended Meters for Machine Output Tests Maximum Acceptable Output Voltage AT Minimum Output SettingRetest After Repair Input Idle AmpsPRO-CUT Electrical Diagrams Electrical DiagramsStatus Board Schematic Diagram H E M a T I C Bypass Board Schematic Diagram M15603Bypass Board Schematic Diagram M17322 PRO-CUT Electrical Diagrams Identification Control BoardPower Board Identification Power BoardM15601 Status Status PC BoardM15601 Status PC BoardBypass Bypass PC Board M15603Bypass PC Board M15603 Bypass PC Board M17322 Bypass PC Board M17322 0 , J 2 Wiring Diagram for Codes 10112Wiring Diagram for Codes 9819 Control Board Schematic Drawing G2015 Power Board Schematic Design SVM Error Reporting Form