IM534June, 1997Wire-Matic 25510166; 10167

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Table of ContentsSafetyInstallationTechnical SpecificationsSafety PrecautionsUncrating the Wire-Matic 255LocationInput Power, Grounding and Connection DiagramsOutput Polarity ConnectionsGun and Cable InstallationShielding Gas

OperationSafety PrecautionsProduct DescriptionRecommended Processes and EquipmentWelding CapabilityLimitationsDescription of ControlsWire Drive RollWire Size Conversion PartsProcedure for Changing Drive RollWire Reel LoadingMounting of 10 to 30 lbs. Spools To Start the WelderFeeding ElectrodeIdle Roll Pressure SettingSetting Run-In Speed Making a WeldAvoiding Wire Feeding ProblemsFan ControlInput Line Voltage ProtectionWire Feed Overload ProtectionWelding Thermal Overload ProtectionOvercurrent Protection

AccessoriesDrive Roll KitsAluminum Feeding Kit (Optional K673-1)K468 8" Spool AdapterK363P Readi-Reel AdapterDual Cylinder Mounting Kit (K671-1)Alternative Magnum GMAW Gun and Cable AssembliesMagnum Gun Connection Kit (Optional K466-6)Timer Kit Installation (Optional K585-1)Operating Instructions for Timer KitBurnback TimeApplication of Timed Weld Modes

Spook Gun Adapter Kit (Optional K672-1)Making a Weld with the Spool Gun Adapter Kit and Spool Gun Installed

MaintenanceSafety PrecautionsGeneral MaintenanceDrive Rolls and Guide TubesContact Tip and Gas Nozzle InstallationGun Tubes and NozzlesCable CleaningLiner Removal and ReplacementGun Handle Disassembly

TroubleshootingHow to Use Troubleshooting GuideTroubleshooting Guide

Wiring Diagrams