Miller Electric XR A, XR W Plug PLG5, Contactor Control Cord, VAC Cord, Leads to back of PLG5

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4-12. Replacing 115 VAC/Contactor Control Plug With Customer-Supplied 5-Pin Or Twistlock Plug

					1	115 VAC/Contactor Control
						Plug PLG5
					2	Contactor Control Cord
					3	115 VAC Cord
					Find and label cords by following
					leads to back of PLG5:
					Contactor control cord connects to
					pins A & B of PLG5
					115 VAC cord connects to pin J of
	2	OR	5	4	PLG5.
	2	OR	5	4	Cut off plug PLG5.
					Cut off plug PLG5.
					4	5-Pin Plug
					5	Two-Prong Twistlock Plug
					For connections shown in Figure
					3-3 or Figure 3-4, install 5-pin or
					twistlock plug onto contactor con-
				1	trol cord.
					For Figure 3-2 connection, obtain
					plug to match contactor control
					receptacle on welding power
					source, and install plug onto
					contactor control cord.
					Obtain 115 VAC plug and connect
					to 115 VAC cord as follows:
					green lead to ground
					white lead to 115 VAC common
				3	black lead to 115 VAC hot.
				3	6	Plug PLG50
					6	Plug PLG50
					7	Plug PLG51
					8	Plug PLG52
					Unit shipped with PLG50 con-
					nected to PLG51 to provide 115
					VAC for contactor.

If contact closure needed for con- tactor, connect PLG50 to PLG52.

8

Tools Needed:	7

6

151 773-C

OM-1581 Page 19

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Contents File MIG Gmaw OM-1581137 532YProcesses DescriptionFrom Miller to You Table of Contents Spot Controls Optional TroubleshootingElectric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéDuty Cycle And Overheating − SpecificationsWire Feeder Specifications Gun Specifications− Installation Constant Voltage CV Weld- ing Power Source Plug Push door back into original posi- tion to close Removing Top Cover Of Pistol Grip GunTop Cover Triangular Boss Air-Cooled Gun Connections Water-Cooled Gun Connections Regulator Air-Cooled Feeder ConnectionsSupply Fitting On Regulator Water-Cooled Feeder ConnectionsTop View Rear Panel Return Fitting OnVoltage Sensing Lead Connections Reinstall right side panel11 VAC/Contactor Control Plug Information Source, and install plug onto Pins a & B of PLG5Or -4, install 5-pin or Receptacle on welding powerInstalling Wire Spool Threading Welding Wire Through Feeder Coolant Guidelines Threading Welding Wire Through GunAdjusting Wire Feed Starting Speed Work And Voltage Sensing Cable Clamps Safety Equipment− Operation Front Panel Controls Of Feeder Air-Cooled Model ShownRun-In Speed Control Jog SwitchVoltage/Wire Speed Switch And Meter Optional Remote Voltage Control Optional Power SwitchSpot Controls Optional Internal Controls Flowmeter OptionalSequence Of Gas Metal Arc Welding Gmaw − Continuous Or Spot Gun ControlsShielding Gas Coolant Supply For Water-Cooled Models OnlyMonths − Maintenance & TroubleshootingRoutine Maintenance Turn Off all power before maintainingChanging 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 TipDrive Roll Collet Nut Turn Off welding power source and wire feederReplacing The Liner Split EndClose gun pressure roll assembly and reinstall gun cover Replacing Hub AssemblyOverload Protection Adjusting Hub TensionWater Flow Switch Optional For Water-Cooled Models Wire Feeder Trouble TroubleshootingGun Trouble Reinstall current pick-up tab if applicable see SectionFilter, and clean fittings see Section Circuit Diagram For Wire Feeder − Electrical DiagramsCircuit Diagram For Gun OM-1581 45 46 − Parts List12 13 9 10 17 18 17 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 Includes 38FigItems 24 PLG20 136 Head Tube Assembly Of Pistol-Grip Gun Number − Parts List Including ConsumablesTapered FasTipt Contact Tips Heavy Duty FasTiptContact TipsExtra Heavy Duty FasTiptContact Tips Head Tube Assemblies Gas DiffusersInsulators Barrel AssembliesSupport ServiceYour distributor also gives Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact