Miller Electric XR A, XR W manual Threading Welding Wire Through Feeder

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4-14. Threading Welding Wire Through Feeder

8

7

1

3

2

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5

6

Tools Needed:

1 Wire Spool

Loosen wire from spool, cut off bent wire, and pull 6 in (150 mm) of wire off spool.

2Tension Arm

3Mounting Arm

To open pressure roll assembly, open tension arm and lift mounting arm.

4Wire Inlet Guide

5Drive Roll

6Wire Conduit Fitting

Thread wire through wire inlet guide, along drive roll groove, and into fitting.

Close and secure pressure roll assembly.

7Tension Thumbnut

8Jog Switch

Turn On wire feeder. For proper ad- justment, loosen thumbnut until drive roll slips when Jog switch is pushed up. Grasp spool with one hand, and turn thumbnut clockwise until motor stalls when Jog switch is pushed up.

Feed welding wire through gun (see Section 4-15). Turn Off wire feeder. Close and latch door.

151 778-B / Ref. 176 700-A

OM-1581 Page 21

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Contents Processes OM-1581137 532YDescription File MIG GmawFrom Miller to You Table of Contents Spot Controls Optional TroubleshootingMarks 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 EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéWire Feeder Specifications − SpecificationsGun Specifications Duty Cycle And Overheating− Installation Constant Voltage CV Weld- ing Power Source Plug Top Cover Triangular Boss Removing Top Cover Of Pistol Grip GunPush door back into original posi- tion to close Air-Cooled Gun Connections Water-Cooled Gun Connections Regulator Air-Cooled Feeder ConnectionsTop View Rear Panel Water-Cooled Feeder ConnectionsReturn Fitting On Supply Fitting On RegulatorVoltage Sensing Lead Connections Reinstall right side panel11 VAC/Contactor Control Plug Information Or -4, install 5-pin or Pins a & B of PLG5Receptacle on welding power Source, and install plug ontoInstalling Wire Spool Threading Welding Wire Through Feeder Coolant Guidelines Threading Welding Wire Through GunAdjusting Wire Feed Starting Speed − Operation Safety EquipmentFront Panel Controls Of Feeder Air-Cooled Model Shown Work And Voltage Sensing Cable ClampsVoltage/Wire Speed Switch And Meter Optional Jog SwitchRun-In Speed Control Spot Controls Optional Power SwitchRemote Voltage Control Optional Internal Controls Flowmeter OptionalShielding Gas Gun ControlsCoolant Supply For Water-Cooled Models Only Sequence Of Gas Metal Arc Welding Gmaw − Continuous Or SpotRoutine Maintenance − Maintenance & TroubleshootingTurn Off all power before maintaining MonthsChanging Or Cleaning Gun Drive Roll Changing Feeder Drive Roll And Wire Inlet Guide Close pressure roll assembly. Close and latch door Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns Changing Gun Contact TipReplacing The Liner Turn Off welding power source and wire feederSplit End Drive Roll Collet NutClose gun pressure roll assembly and reinstall gun cover Replacing Hub AssemblyWater Flow Switch Optional For Water-Cooled Models Adjusting Hub TensionOverload Protection Wire Feeder Trouble TroubleshootingFilter, and clean fittings see Section Reinstall current pick-up tab if applicable see SectionGun Trouble Circuit Diagram For Wire Feeder − Electrical DiagramsCircuit Diagram For Gun OM-1581 12 13 9 10 17 18 17 − Parts List45 46 Dia Part Description Quantity Mkgs CB1 Includes Items Motor & Wire Drive -1 ItemPanel, Front w/Components Water-Cooled Model Illustrated Panel, Front w/Components -1 Item Items 24 38FigIncludes PLG20 136 Head Tube Assembly Of Pistol-Grip Gun Number − Parts List Including ConsumablesExtra Heavy Duty FasTiptContact Tips Heavy Duty FasTiptContact TipsTapered FasTipt Contact Tips Insulators Gas DiffusersBarrel Assemblies Head Tube AssembliesYour distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s