Miller Electric D-74D manual Main Assembly, 21 −2

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SECTION 9 − PARTS LIST

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Fig.9−3 3

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9 10

16

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.Hardware is common and not available unless listed.

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21 Fig.9−2

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803 050-A

Figure 9-1. Main Assembly

OM-1500-6 Page 26

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Contents Description OM-1500-6 206 805HProcesses File MIG GmawFrom Miller to You Table of Contents Decwire6/05 DirectivesStandards Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesDisconnect input plug or power before working on machine Drive rolls can injure fingersKeep your head out of the fumes Symbols And Definitions Rating Label For CE ProductsSpecifications Site SelectionRating Equipment Connection Diagrams Rear Panel Connections And Rotating Drive Assembly Pin Plug Information Wire Type, Size, And Feed Speed Capability TableMotor Speed Wire Type Wire Size Feed Speed Capability Gun Recommendation TableInstalling And Threading Welding Wire Right Side Motor Control Board PC1 Left Side Motor PC101 Setting Internal DIP SwitchesCurrent Detect Override OFF Factory Default S1-1 And S1-2 Automatic Run-In OFF S1-1 And S1-2Optional Equipment DIP Switch Settings PC60Power Switch Power SwitchLeft/Right Select Switch Jog/PurgeTrigger Hold Switch Trigger Hold SwitchesVoltage Control And Digital Meters Routine Maintenance Disconnect power before maintainingMonths Diagnostics Wire feeds, shielding gas flows, but TroubleshootingDisconnect power before troubleshooting Trouble RemedyOM-1500-6 − Electrical Diagram 204 716-B Main Assembly 21 −2Part Description Quantity Control Box Harness Connectors/Receptacles 130Drive Assembly, Wire Drive Assembly, Wire -1Item203 Roll Drive Drive Roll And Wire Guide Kits Fraction MetricKit Roll Wire Size Roll Drive KitPage Page Service Your distributor also givesSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s