Miller Electric 22A, 24A manual Motor Start/Burnback Control

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3-9. Motor Start/Burnback Control

	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.

Tools Needed:

3

Non-Conductive

1/4 in

Ref. 802 357 / 192 653

OM-193 472 Page 13

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Contents Processes OM-193 472NDescription File MIG GmawFrom 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 sécuritéSite Selection − InstallationSpecifications Pin Plug, Shielding Gas And Optional Volt Sense Lead Equipment Connection DiagramsGun Recommendation Table Pin Plug Information Connecting Welding Gun And Weld CableDigital Meter Display Optional Meter Circuit Board SettingsVoltage Sensing Function Motor Start/Burnback Control Installing Wire Guide And Drive Roll Wood Installing And Threading Welding WireFront Panel Controls − OperationRoutine Maintenance − Maintenance & TroubleshootingDisconnect power before maintaining Optional Side Panel ControlsEngine on welding generator TroubleshootingOverload Protection Circuit Diagram For Wire Feeder With Optional Equipment − Electrical DiagramMain Assembly − Parts ListMain Assembly Optional Optional in 22A, Standard in 24A Drive Assembly, Wire 2 Drive Roll -1 Item Drive Assembly, Wire 4 Drive Roll -1 Item Drive Roll And Wire Guide Kits 2 Drive Roll Drive Roll & Wire Guide Kits 4 Drive Roll Support ServiceMiller Electric Mfg. Co Owner’s Record