Miller Electric OM-229 038D manual Installing Drive Rolls and Wire Guide

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3-9. Installing Drive Rolls and Wire Guide

3

2

1

4

Tools Needed:

5/64 in

7/16 in

1Securing Screw

2Inlet Wire Guide

Loosen screw. Slide tip as close to drive rolls as possible without touching. Tighten screw.

3Anti-Wear Guide Install guide as shown.

4Drive Roll

The drive roll consists of two differ- ent sized grooves. The stamped markings on the end surface of the drive roll refers to the groove on the opposite side of the drive roll. The groove closest to the motor shaft is the proper groove to thread.

Turn nut one click to secure drive roll.

221-253-7

OM-229 038 Page 13

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Contents Description OM-229 038D 2007−04Processes From Miller to You Table of Contents Standards DirectivesMarks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Electric shock can kill − DefinitionsFalling unit can cause injury Weee Label Duty Cycle And Overheating − InstallationSpecifications Model Installing Gas SupplyVolt-Ampere Curves Positoning Jumper Links 230/400V 3-Phase Models Installing Wire Spool and Adjusting Hub TensionPhase Electrical Service GuideTools Needed = GND/PE Earth Ground Drive Roll Installing Drive Rolls and Wire GuideScale Threading Welding Wire and Adjusting Pressure Roll TensionSetting Gun Polarity for Wire Type Optional Using Gun/Cable HolderControls for Migmatic 221/253 Burnback and Spot Weld Timer Controls− Operation Routine Maintenance − Maintenance &TROUBLESHOOTINGCircuit Breaker CB1 Unit OverloadTrouble Remedy TroubleshootingOM-229 038 Circuit Diagram for Migmatic − Electrical DiagramsCircuit Diagram for Migmatic 253 400 VAC Wrapper Assembly, All Models − Parts ListPart Description Quantity Main Assembly for Migmatic Dia Part Mkgs Description Quantity Main Assembly for Migmatic Dia Part Quantity Mkgs Description 230V 400V Fraction Drive Roll And Wire Guide Kits 2 Roll ModelsWire Diameter Drive Roll Wire Guide Page Page Effective January 1 ITW Welding Products Italy S.r.l. Via Privata Iseo, 6/E Owner’s Record