Miller Electric D-74DX manual Jog/Purge Switch

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6-4. Jog/Purge Switch

1 Jog/Purge Switch

2 Adjust Control

3 Gun Trigger Receptacle

2

3

1

Ref. 803 053

Pressing the Jog/Purge switch allows the op- erator to jog wire without energizing the weld power or gas valve circuit.

•The unit provides the ability to jog the wire feeder by means of the gun trigger or the Jog/Purge switch. If the welding arc does not initiate in 3 seconds after the gun trigger is activated, the unit will perform a jog opera- tion for a maximum of two minutes. If the gun

trigger is still activated after two minutes, the jog operation is terminated to prevent com- plete despooling of the wire, in the case of a damaged gun.

•The unit displays the “ERR TRIG“ message to inform the operator that the trigger is acti- vated.

•Jog speed can be adjusted by the Adjust control when the unit is jogging wire. The

unit displays jog speed when the unit is be- ing jogged.

•Jogging can also be accomplished by pressing the Jog/Purge button.

•Pressing the Jog/Purge button also allows the operator to purge gas lines before weld- ing and to preset gas pressure at the regulator.

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Contents Processes OM-1500-7 204 129HDescription File MIG GmawFrom Miller to You Table of Contents Directives Decwire6/05Standards 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 DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésIndique des instructions spécifiques LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE 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 blesserLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-1500-7 Drive rolls can injure fingers Disconnect input plug or power before working on machineKeep 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 EUSite Selection SpecificationsRating Shielding gas pressure not to Equipment Connection DiagramsExceed 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 Left/Right Select Switch Power SwitchOperational Terms Jog/Purge Switch Front Panel Controls Wire SpeedTime sec Upper Display Program Push ButtonNon-CE Models CE ModelsLower Display Setup Push ButtonTime Welding Sequence Diagram Adjust ControlSequence Push Button Auxiliary Menus Setup Push ButtonSequence Push Button Upper DisplayPower Source Selection Menu Reset To Factory SettingsTrigger Hold Setup Wire Feed Speed UnitsSoftware Revision Level Display HoldCode Sequence Parameters In a Program Optional Dual Schedule Switch DiagramsFor more information on Sequence Push Button see Section Error DiagnosticsLED3-Related Error Indications There is a two-position DIPRoutine Maintenance Diagnostics For User Defined OptionsMonths 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 KitYour distributor also gives ServiceSupport 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