Lincoln Electric Explore Comprehensive Accessories for Lincoln Wire-Matic 255 and Spool Gun Adapter

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ACCESSORIES

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OPTIONS/ACCESSORIES

OTHER AVAILABLE MAGNUM 250L GUN AND CABLE ASSEMBLY

The following GMAW gun and cable assemblies are available for use with the WIRE-MATIC 255. Each is rated 200 amps 60% duty cycle or 250 amps 35% duty cycle. The gun and cable assemblies are equipped with the integrated connector, twist-lock trigger con- nector, and includes a liner, diffuser, and contact tips for the wire sizes specified:

LENGTH

PART NO.

WIRE SIZE

 

 

 

10' (3.0 m)

K533-1

 

12' (3.6 m)

K533-2*

.035-.045”

15’ (4.5 m)

K533-3

(0.9-1.2mm)

 

 

 

10' (3.0 m)

K533-4

 

12' (3.6 m)

K533-5

.025-.030”

15’ (4.5 m)

K533-6

(0.6-0.8mm)

 

 

 

* Included with the K578-1.

MAGNUM GUN CONNECTION KIT (Optional K466-6)

Using the optional K466-6 Magnum Connection kit for the Wire-Matic permits use of standard Magnum 200, 300 or 400 gun and cable assemblies.

K672-1 SPOOL GUN ADAPTER KIT

WARNING

The kit includes a spool gun adapter module assembly with a single connecting plug, a rear gas inlet setting with hose, a gun and cable holders and mounting hardware with installation and operating instructions. (L9696)

CAUTION

The spool gun module is intended for use with Lincoln Electric® Magnum™ Spool Guns only. Use with other units may cause damage to the equip- ment. For Spool Gun operation, refer to the instruction manual provided with the Magnum™ Spool Gun.

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MAKING A WELD WITH THE SPOOL GUN ADAPTER AND SPOOL GUN (K672-1) INSTALLED

The toggle switch on the front of the spool gun adapter box permits quick transfer between the use of the Wire-Matic 255 with its feeder gun and the connected spool gun for same polarity electrodes.

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Remove all input power to the Wire-Matic 255 before proceeding.

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The K672-1 Spool Gun Adapter Kit provides recessed panel “up front" direct connection of the K487 Spool Gun (with remote speed control), or the K469 Spool Gun (requiring K518 Connection Adapter) with the SP- 255, SP255-I and Wire-Matic 255 wire feed welder machines.

It also provides single switch transfer between the machine's use with its feeder gun or the spool gun for same polarity welding with different wire and gas processes.

WIRE-MATIC 255

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Contents WIRE-MATIC Safety Depends on YouARC Rays can burn SafetyElectric Shock can kill Fumes and Gases can be dangerousCylinder may explode if damaged Welding Sparks can cause fire or explosionElectric and MAG- Netic Fields May be dangerousIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcWIRE-MATIC Table of Contents Table of Contents Installation Table of Contents Installation SectionTechnical Specifications Wire-Matic-255 Input Connections Safety PrecautionsSelect Proper Location StackingFuse and Wire Sizes Connect Shielding GAS Reconnect Procedure Figure A.4 Input Gas Supply ConnectionsFigure A.5 Reconnect Diagram For 208/230/1/60 Machines Connect Output Components ConnectionsWire Size Conversion Parts GUN and Cable InstallationWIRE-MATIC Table of Contents Operation Section OperationSafety Instructions General DescriptionWELDING, Cutting Design Features Advantages Recommended Processes and EquipmentMachine Capability LimitationsDuty Cycle Amps Volts Controls and Settings Figure B.1 Operator ControlsUsing the Wire Drive Roll Figure B.2 Wire Reel LoadingFeeding Electrode Setting Idle Roll Pressure Operating StepsMaking a Weld WIRE-MATIC Accessories Table of Contents Accessories SectionOPTIONS/ACCESSORIES Magnum GUN Connection KIT Optional K466-6K672-1 Spool GUN Adapter KIT Making a Weld with the Spool GUN Adapter K672-1 Installed Timer KIT K585-1 Timer KIT Installation Optional K585-1K468 8 Spool Adapter Drive Roll Kits64 1.2mm Aluminum Feeding KIT K673-1 K363P READI-REEL AdapterDual Cylinder Mounting KIT K671-1 Maintenance Table of Contents Maintenance SectionRoutine and Periodic Maintenance Perform the following dailyMaintenance Drive Rolls and Guide Tubes Cable CleaningContact TIP and GAS Nozzle Installation GUN Tubes and NozzlesLiner Removal Replacement Figure D.2 Liner maintenanceGUN Handle Disassembly To open up the handleDescription English Size Metric Size WIRE-MATIC Table of Contents Theory of Operation Section Theory of OperationInput Line Voltage and Main TransformerOutput Rectification Feedback ControlConstant Voltage Output Figure E.4 Constant Voltage OutputWire Drive Motor FeedbackThermal Protection SCR Operation Figure E.6 SCR OperationWIRE-MATIC Troubleshooting & Repair Table of Contents Troubleshooting & Repair SectionHOW to USE Troubleshooting Guide Recommended Course of ActionPC Board Troubleshooting Procedures Electric Shock can killBoard can be dam- aged by static electricity Main Transformer Rectifier Assembly Test To Section TOC SCR Rectifier Perform the Wire Drive Motor Liquid elec Trolyte in these capacitors isPerform the Output Rectifier Main Transformer Test Test DescriptionMaterials Needed Main Transformer Test Test Procedure ON/OFF Power Switch will be hot during these testsLead Plug Location Static SCR Rectifier Assembly Test Leads Figure F.4 SCR 1 Test Points Active SCR Rectifier Assembly Test Leads Figure F.7 SCR Tester Circuit SCR connectionsWire Drive Motor and Tachometer Feedback Test Wire Drive Motor and Tachometer Feedback Test Test Procedure Test for Supply Voltage to Tachometer Test for Feedback Voltage to the Control BoardScope Settings Normal Open Circuit Voltage WaveformMachine Loaded to 250 Amps AT 26 VDC Scope Settings Typical Output Voltage Waveform Machine LoadedMachine Loaded to 220 Amps AT 22 VDC Scope Settings Troubleshooting & Repair Typical SCR Gate Voltage Waveform Control PC Board Removal and Replacement Removal and Replacement ProcedureRemoval and REPLACE- Ment Procedure Wire Drive Assembly Removal and Replacement Procedure Figure F.11 Wire Drive Assembly RemovalSCR Output Rectifier Removal & Replacement Right side heat sink See Figure F.14 Disconnection Heat Sink LeadCapacitor Bank Removal and Replacement Bank Removal Replacement ComponentsMain Transformer Removal and Replacement Power Switch FAN Motor and FAN Removal and Replacement FAN Motor and FAN Removal and Replacement Procedure Figure F.16 Fan Motor and Fan Removal ComponentsTroubleshooting & Repair Input Volts/Hertz Wire Speed RangeOpen Circuit Voltage 230/60 375WIRE-MATIC Table of Contents Electrical Diagrams Section WIRE-MATIC Electrical Diagrams Wiring Diagram 208/230 CodeWire Matic 255 230 / 460 Wiring Diagram 230/460/575 CodeControl PC Board G2803 Schematic Wirematic 255 Control Control PC Board G2803 Layout