Miller Electric XR W, XR A manual Operation, Front Panel Controls Of Feeder Air-Cooled Model Shown

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SECTION 5 − OPERATION

5-1. Front Panel Controls Of Feeder (Air-Cooled Model Shown)

			1	Voltage/Wire Speed Meter
		1		(Optional)
			2	Voltage/Wire Speed Switch
		2		(Optional)
		3	3	Run-In Speed Control
		3	4	Jog Switch
			4	Jog Switch
		4	5	Burnback Time Control
				(Optional)
	11	5	6	Spot/Continuous Switch
				(Optional)
		6	7	Remote Voltage Control
		6		(Optional)
		7	8	Power Switch
	10	7	9	Time Range Switch (Optional)
	10		9	Time Range Switch (Optional)
	9		10	Spot Time Control (Optional)
	9	8	11	Flowmeter (Optional)
			11	Flowmeter (Optional)

				151 780−A
5-2. Safety Equipment
1	2	3	Wear the following while welding:
			1	Dry, Insulating Gloves
			2	Safety Glasses With Side
				Shields
			3	Welding Helmet With Correct
				Shade Of Filter (See ANSI
				Z49.1)
				sb3.1 1/94
5-3. Work And Voltage Sensing Cable Clamps
			1	Work Clamp
			Connect work clamp to a clean,
	1		paint-free location on workpiece, as
			close to weld area as possible.
		2	Use wire brush or sandpaper to
			clean metal at weld joint area.
			2	Voltage Sensing Cable Clamp
			Connect voltage sensing cable
			clamp to workpiece for constant
Tools Needed:			current (CC) operations (see
			Section 4-10).

sb4.1* 2/93 − Ref. 144 451-A

OM-1581 Page 24

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Contents OM-1581137 532Y ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Troubleshooting Spot Controls OptionalSymbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying 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 LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaques− Specifications Wire Feeder 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 Air-Cooled Feeder Connections RegulatorWater-Cooled Feeder Connections Top View Rear PanelReturn Fitting On Supply Fitting On RegulatorReinstall right side panel Voltage Sensing Lead Connections11 VAC/Contactor Control Plug Information Pins a & B of PLG5 Or -4, install 5-pin orReceptacle on welding power Source, and install plug ontoInstalling Wire Spool Threading Welding Wire Through Feeder Threading Welding Wire Through Gun Coolant GuidelinesAdjusting Wire Feed Starting Speed Safety Equipment − OperationFront 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 Flowmeter Optional Internal ControlsGun Controls Shielding GasCoolant Supply For Water-Cooled Models Only Sequence Of Gas Metal Arc Welding Gmaw − Continuous Or Spot− Maintenance & Troubleshooting Routine MaintenanceTurn 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 Changing Gun Contact Tip Removing Diffuser In Air And Water-Cooled Pistol-Grip GunsTurn Off welding power source and wire feeder Replacing The LinerSplit End Drive Roll Collet NutReplacing Hub Assembly Close gun pressure roll assembly and reinstall gun coverWater Flow Switch Optional For Water-Cooled Models Adjusting Hub TensionOverload Protection Troubleshooting Wire Feeder TroubleFilter, and clean fittings see Section Reinstall current pick-up tab if applicable see SectionGun Trouble − Electrical Diagrams Circuit Diagram For Wire FeederCircuit Diagram For Gun OM-1581 12 13 9 10 17 18 17 − Parts List45 46 Dia Part Description Quantity Mkgs CB1 Motor & Wire Drive -1 Item Includes ItemsPanel, 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 − Parts List Including Consumables NumberExtra Heavy Duty FasTiptContact Tips Heavy Duty FasTiptContact TipsTapered FasTipt Contact Tips Gas Diffusers InsulatorsBarrel Assemblies Head Tube AssembliesYour distributor also gives ServiceSupport To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s