Miller Electric D-74DX manual Installing And Threading Welding Wire

Page 21

5-7. Installing And Threading Welding Wire

Install wire spool. Adjust tension nut so			Install wire guides and
wire is taut when wire feed stops.			anti-wear guide.

Install drive rolls.

		Pressure
	Pressure	Indicator
	Pressure	Scale
	Adjust
	Rear	Pressure
	Rolls	Pressure
	Rolls	Adjust
		Adjust
		Front
		Rolls

No Wire Slip	Wire Slips
NONCONDUCTIVE	NONCONDUCTIVE
SURFACE	SURFACE

Drive Rolls		Tools Needed:
Drive Rolls
	Back Of Gun	3/16, 5/64 in
	Back Of Gun
		15/16, 3/8 in

End Of Liner

. For best wire feeding performance, be	. For soft wire or small diameter stainless	. To adjust drive roll pressure, hold nozzle
sure that the outlet cable has the proper	steel wire, reduce drive roll pressure on	about 2 in (51 mm) from nonconductive
size liner for the welding wire size being	the rear roll to half that of the front rolls.	surface and press gun trigger to feed wire
used. Also, when the gun is installed, the		against surface. Tighten knob so wire
liner extending from the back of the gun		does not slip. Do not overtighten. If con-
should be as close to the drive rolls as		tact tip is completely blocked, wire should
possible, without touching.		slip at the feeder (see pressure adjust-
Install gun. Lay gun cable out straight. Cut off		ment above).Cut wire off. Close cover.
end of wire. Push wire through guides up to
drive rolls; continue to hold wire. Press Jog
button to feed wire out gun.		Ref. 156 929-A / Ref. 150 922 / Ref. 156 930 / S-0627-A

OM-1500-7 Page 17

Image 21

Contents Processes OM-1500-7 204 129HDescription File MIG GmawFrom Miller to You Table of Contents Decwire6/05 DirectivesStandards Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortIndique des instructions spécifiques DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-1500-7 Disconnect input plug or power before working on machine Drive rolls can injure fingersKeep your head out of the fumes Some symbols are found only on CE products Symbols And DefinitionsRating Label For CE Products Weee Label For Products Sold Within The EUSpecifications Site SelectionRating Equipment Connection Diagrams Shielding gas pressure not toExceed 100 PSI 689 kPa Rear Panel Connections And Rotating Drive Assembly Motor Speed Wire Type Wire Size Feed Speed Capability Wire Type, Size, And Feed Speed Capability TablePin Plug Information Gun Recommendation TableMent above.Cut wire off. Close cover Installing And Threading Welding WireDIP Switch S1 DIP Switch S4 Not For Customer Use Setting Internal DIP SwitchesWhen DIP switch positions are changed, Position Settings And Results For DIP Switch S1Power Source Selection Menu Power Switch Left/Right Select SwitchOperational Terms Jog/Purge Switch Wire Speed Front Panel ControlsTime sec Upper Display Program Push ButtonNon-CE Models CE ModelsLower Display Setup Push ButtonAdjust Control Time Welding Sequence DiagramSequence Push Button Auxiliary Menus Setup Push ButtonSequence Push Button Upper DisplayPower Source Selection Menu Reset To Factory SettingsTrigger Hold Setup Wire Feed Speed UnitsDisplay Hold Software Revision LevelCode Optional Dual Schedule Switch Diagrams Sequence Parameters In a ProgramFor more information on Sequence Push Button see Section Error DiagnosticsLED3-Related Error Indications There is a two-position DIPDiagnostics For User Defined Options Routine MaintenanceMonths Disconnect power before troubleshooting TroubleshootingTrouble Remedy PullOM-1500-7 − Electrical Diagram 204 144-C − Parts List Part Description Quantity Control Box PLG117 165 Harness Connectors/ReceptaclesHardware is common Not available unless listed See -1 For Drive Roll & Wire Guide Kits21 . PC51,151 201 Kit Roll Wire Size Drive Roll And Wire Guide Kits Fraction MetricRoll Drive Roll Drive KitService Your distributor also givesSupport 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