Miller Electric 75 manual From Miller to You

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Miller is the first welding equipment manufacturer in the U.S.A. to be registered to the ISO 9001:2000 Quality System Standard.

From Miller to You

Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way.

That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality. Like you, his customers couldn’t afford anything less. Miller products had to be more than the best they could be. They had to be the best you could buy.

Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your Miller products. Please take time to read the Safety precautions. They will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick and easy. With Miller you can count on years of reliable service with proper maintenance. And if for some reason the unit needs repair, there’s a Troubleshooting section that will help you figure out what the problem is. The parts list will then help you to decide the exact part you may need to fix the problem. Warranty and service information for your particular model are also provided.

Miller Electric manufactures a full line

of welders and welding related equipment. For information on other quality Miller

products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets. To locate your nearest distributor or service agency call 1-800-4-A-Miller, or visit us at www.MillerWelds.com on the web.

Mil_Thank 2005−04

Working as hard as you do

−every power source from Miller is backed by the most hassle-free warranty in the business.

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Contents Description OM-228 956BProcesses File Advanced Manufacturing SystemsFrom Miller to You Table of Contents Page 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 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 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 cardiaques− Introduction − InstallationSpecifications Selecting a LocationConnection Diagram Rear Panel Connections And Rotating Drive Assembly Tools Needed 9/16, 5/8Pin Network Receptacle Information Installing Drive RollsInstallation RemovalInstalling PD Continuous Wire Guides Installing PD continuous wire guides with PD drive rollsRotate guide holder 180 degrees and reinstall Installing Non-PD Old Style Wire GuidesInstalling wire guides with non- PD old-style drive rolls Tools Needed 16, 1/8, 5/32Secure gun by tightening power clamp knob Installing Welding GunInstalling gun with Accu-Mate connection Installing gun without Accu- Mate connectionEnd Of Liner No Wire SlipWire Slips Power Source Upper Display Lower Display Voltage Range Feeder Display At Power UpDual Schedule Switch Options Upper Display Lower Display− Operation Operational TermsGeneral Terms Crater Power SwitchFeeder Set Up PostflowSee See Section Program Volts Time Arc AdjustFront Panel Controls SectionUpper Display Volts Arc AdjustProgram Push Button Upper DisplayLower Display Sequence Trigger Control Trigger Hold Feeder Set Up Feeder Set Up Push ButtonAdjust Control Process Set Up Push Button Make a selection, rotate the Adjust controlJog/Purge Jog/Purge Push Button Adjust Control Gun Trigger ReceptacleWelding and to preset gas pressure at the regulator Mild Steel Reset ModePulse Accu-pulseSequence Parameters − Setting Sequence ParametersSequence Parameters In a Program Disconnect power before maintaining − MaintenanceRoutine Maintenance = Check = Change ~ = Clean = ReplaceDiagnostics Indicates a voltage Sense errorIndicates a polarity error Indicates a line errorIndicates an arc error Indicates a memory CRC PCM errorRMD done message indicates TroubleshootingDisconnect power before troubleshooting Unknown− Electrical Diagram Circuit Diagram211 005-D − Parts List − -3 21 − FigFigures 9-3 Control Box PLG4 Drive Assembly, Wire Drive Assembly, Wire 9-1ItemDrive Assembly, Wire -1Item Wire Size Page Page Support ServiceYour distributor also gives 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