Miller Electric XR A, XR W manual Air-Cooled Gun Connections

Page 17

4-6. Air-Cooled Gun Connections

			1	Gun Control Cable
			Insert plug into Gun Control recep-
			tacle, and tighten threaded collar.
			2	Gas Hose
			Connect to Gas fitting on feeder.
			3	Weld Cable
			4	Weld Cable Terminal In
				Feeder
			Connect gun weld cable to weld
			cable terminal in feeder.
			5	Wire Conduit
			6	Thumbscrew
			7	Wire Conduit Block
	6	5	8	Strain Relief
	6	5
			. For guns that have wire con-
				duits with replaceable liners,
	7			the strain relief will need to be
4	7			removed from the control box.
4				removed from the control box.
			Loosen thumbscrew, and insert
			conduit through wire opening until
			it bottoms against block. Trim liner
			if necessary, as close to the rolls
			as possible. Tighten thumbscrew.
3			Close and latch door.
3	Left Side
	Left Side

8

5

2

3

1

Tools Needed:

5/8, 3/4 in

145 432-C / Ref. 802 536-E / Ref. 151 778-B

OM-1581 Page 13

Image 17

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 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 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 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 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 ClampsRun-In Speed Control Jog SwitchVoltage/Wire Speed Switch And Meter Optional Remote Voltage Control Optional Power SwitchSpot Controls 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 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 Insulators Gas DiffusersBarrel Assemblies Head Tube AssembliesSupport ServiceYour distributor also gives 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