Miller Electric 394F, OM-222 manual Installing And Threading Welding Wire

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4-6. 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.

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

No Wire Slip

NONCONDUCTIVE

SURFACE

Drive Rolls

Gun Cable

End Of Liner

Install drive rolls.

Wire Slips

NONCONDUCTIVE

SURFACE

Tools Needed:

3/16, 5/64 in

15/16, 3/8 in

.Be sure that outlet cable has proper size

liner for the welding wire size. When installing gun, position liner extending from outlet wire guide as close as possible to drive rolls without touching.

Install gun. Lay gun cable out straight. Cut off end of wire. Push wire through guides up to drive rolls; continue to hold wire. Once wire has reached the liner, auto-thread wire by momentarily pressing Purge and quickly pressing Jog to begin auto-threading wire.

.For soft wire or small diameter stainless . To adjust drive roll pressure, hold nozzle

steel wire, reduce drive roll pressure on	about 2 in (51 mm) from nonconductive
the rear roll to half that of the front rolls.	surface and press gun trigger to feed wire
	against surface. Tighten knob so wire
	does not slip. Do not overtighten. If con-
	tact tip is completely blocked, wire should
	slip at the feeder (see pressure adjust-
	ment above).Cut wire off. Close cover.

Ref. 156 929-A / Ref. 150 922 / Ref. 156 930 / 802 954 / S-0627-A

OM-222 394 Page 13

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Contents Processes OM-222 394FDescription File Advanced Manufacturing SystemsFrom Miller to You Table of Contents Page Marks 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 sécuritéSpecifications − Installation− Introduction Selecting a LocationConnection Diagram Rear Panel Connections And Rotating Drive Assembly Gun Recommendation Table Pin Network Receptacle InformationInstalling And Threading Welding Wire Power Source Upper Display Lower Display Voltage Range Power Source Display At Power UpDual Schedule Switch Option Operational Terms − OperationGeneral Terms Sequence Feeder Set UpPreflow StartPower Switch Power SwitchLeft/Right Select Switch Jog/Purge Jog/Purge Push Button Gun Trigger Receptacle Adjust KnobJog/Purge switch provides the following functions Front Panel Sections Program Push Button Volts Arc AdjustUpper Display Upper DisplayLower Display Sequence Trigger Control Trigger Hold Feeder Set Up Feeder Set Up Push ButtonAdjust Knob CO2 Process Set Up Push ButtonPulse Reset ModeMild Steel Accu-pulseSequence Parameters − Setting Sequence ParametersSequence Parameters In a Program Routine Maintenance − MaintenanceDiagnostics Indicates a trigger Closed errorTrouble Remedy TroubleshootingDisconnect power before troubleshooting Circuit Diagram − Electrical Diagram218 564-D 21 − Figure − Parts ListPart Description Quantity Control Box PC1 Drive Assembly, Wire -1Item Drive Assembly, Wire1.4 mm Metric1.2 mm Page Support 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