Miller Electric I-22A & I-24A manual Motor Start/Burnback Control

Page 19

3-9. Motor Start/Burnback Control

Tools Needed:

Non-Conductive

1/4 in

	To change wire feed starting speed
	proceed as follows:
1	Turn Off unit and welding power
	source.
	Remove wrapper.
	1	Motor Board PC1
	2	Motor Start Control
		Potentiometer R73

Remove protective white rubber cap before making adjustment. Adjust potentiometer R73 using a small nonconductive screwdriver. Rotate potentiometer clockwise to increase time it takes the motor to ramp up to speed.

3 Burnback Potentiometer R42

Remove protective white rubber cap before making adjustment. Adjust potentiometer R42 using a small nonconductive screwdriver.

2Rotate potentiometer clockwise to increase burnback time.

Reinstall wrapper.

3

801 925-C / 192 653

OM-186 895 Page 15

Image 19

Contents

Processes OM-186 895GDescription From Miller to You Table of Contents Standards DirectivesElectric 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 eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Securite − Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent pro- voquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques − Definitions + +Rating Label For CE Products Symbols And DefinitionsSpecifications − InstallationSite Selection Gun Recommendation Table Equipment Connection DiagramsPin Receptacle, Shielding Gas And Optional Volt Sense Lead Pin Receptacle Information Connecting Welding Gun And Weld CableVoltage Sensing Function Optional Meter Circuit Board SettingsDigital Meter Display Motor Start/Burnback Control Installing Wire Guide And Drive Roll Installing And Threading Welding Wire Front Panel Controls − OperationOptional Side Panel Controls − Maintenance & TroubleshootingRoutine Maintenance Disconnect power before maintainingOverload Protection TroubleshootingCircuit Diagram For Wire Feeder With Optional Equipment − Electrical DiagramMain Assembly − Parts ListPLG1 Optional Drive Assembly, Wire 2 Drive Roll -1 Item Drive Assembly, Wire4 Drive Roll -1 Item Drive Roll And Wire Guide Kits 2 Drive Roll Drive Roll & Wire Guide Kits 4 Drive Roll OM-186 895 OM-186 895 Support ServiceMiller Electric Mfg. Co Owner’s Record

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