Tweco FP-70A User Manual

Art # A-04487Plasma Cutting SystemModel FP-70AJanuary 23, 2006 Manual 0-4682Operating Manual

Introduction 2-2 Manual 0-46822.04 Torch SpecificationsTorch ConfigurationTorch Head at 75° to Torch HandleTorch Leads Length 20 feet (6.1 m)AmbientT

Manual 0-4682 3-1 InstallationSECTION 3:INSTALLATION3.01 Site Selection• Place in a clean and dry area.• Provide adequate ventilation and fresh air su

Installation 3-2 Manual 0-4682

Manual 0-4682 4-1 OperationSECTION 4:OPERATION4.01 Front Control PanelIO203040506070A70A Overheating IndicatorAC Power IndicatorAir Error Indi

Operation 4-2 Manual 0-46824.02 Preparations For OperatingAt the start of each operating session: WARNINGDisconnect primary power at the source befor

Manual 0-4682 4-3 OperationE. Typical Cutting SpeedsCutting speeds vary according to torch output, the type of material being cut, and operator skill.

Operation 4-4 Manual 0-4682

Manual 0-4682 5-1 SERVICESECTION 5:SERVICE5.01 General MaintenanceO-rings on the Torch require lubrication on a regularbasis, depending on how freque

SERVICE 5-2 Manual 0-4682D. Torch will not pilot when torch switch is activated.1. Gas pressure too high or too low.a. Adjust gas pressure per pressu

Manual 0-4682 5-3 SERVICE2. Poor Work Lead connection.a. Check the connection of the Work Lead to thework piece.Make a clean work cableconnection to

SERVICE 5-4 Manual 0-4682

Manual 0-4682 A-1 APPENDIXAppendix 1: Operating Sequence, Block DiagramPrimary Input Power "On" or Plugged inGreen Power Indicator "O

APPENDIX A-2 Manual 0-4682Appendix 2: Torch ConnectionTorchSwitchNegative / Plasma LeadTorch HeadWhiteBlackOrangeGreenPIPSwitchTorch LeadsTo PowerSu

Manual 0-4682 A-3 APPENDIXThis Page Intentionally Blank

APPENDIX A-4 Manual 0-4682Appendix 3: Replacement Hand Torch Parts ListItem # Qty Description Catalog #1 1 Torch Handle Replacement Kit (include it

Manual 0-4682 A-5 APPENDIX5634277A-07060 1 8

APPENDIX A-6 Manual 0-4682Appendix 4: 230 Volt System SchematicTHP1P7P2P8P5C1 C6PANEL BOARDC2PWM DRIVEBOARDCONTROL BOARD40272004Art # A-06948G1 E1 G

Manual 0-4682 A-7 APPENDIXAP8P3P10P62005 / 01 / 12TorchS/WPilotRelayArt # A-06948C/T 1Main TransformerR5C11R8C16R1C10REACTORVC_1VD_1OU_1GN_1VC_2VD_2

TABLE OF CONTENTSSECTION 1:GENERAL INFORMATION ... 1-11.0

January 23, 2006 1-1 GENERAL INFORMATIONSECTION 1:GENERAL INFORMATION1.01 Notes, Cautions and WarningsThroughout this manual, notes, cautions, and war

GENERAL INFORMATION 1-2 January 23, 2006• Never touch any parts that are electrically “live” or“hot.”• Wear dry gloves and clothing. Insulate yoursel

January 23, 2006 1-3 GENERAL INFORMATION6. ANSI Standard Z49.2, FIRE PREVENTION IN THEUSE OF CUTTING AND WELDING PROCESSES, ob-tainable from American

GENERAL INFORMATION 1-4 January 23, 20061.04 Statement of WarrantyLIMITED WARRANTY: Subject to the terms and conditions established below, Thermadyne

Manual 0-4682 2-1 IntroductionSECTION 2:INTRODUCTION2.01 OverviewPlasma is a gas which has been heated to an extremelyhigh temperature and ionized so