Manuals / Miller Electric / Power Tools / Welder

Miller Electric 75 manual Routine Maintenance, Disconnect power before maintaining

Models: 75

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SECTION 7 − MAINTENANCE

7-1. Routine Maintenance

Y Disconnect power before maintaining.

n = Check	Z = Change	~ = Clean	l = Replace	Reference
* To be done by Factory Authorized Service Agent

Every	l Unreadable Labels	~ Weld Terminals	nl Weld Cables	l Cracked Parts
3	l Unreadable Labels	~ Weld Terminals	nl Weld Cables	l Cracked Parts
Months
	n 14-Pin Cord	n Gas Hose And Fittings	n Gun Cable
Every
6
Months	Or
	~ Inside Of Unit	~ Drive Rolls

OM-228 956 Page 28

Page 32

Image 32

Miller Electric 75 Routine Maintenance, Disconnect power before maintaining, = Check = Change ~ = Clean = Replace

Contents

OM-228 956B ProcessesDescription File Advanced Manufacturing SystemsFrom Miller to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying 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 LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaques− Installation Specifications− Introduction Selecting a LocationConnection Diagram Rear Panel Connections And Rotating Drive Assembly Tools Needed 9/16, 5/8Installing Drive Rolls InstallationPin Network Receptacle Information RemovalInstalling PD Continuous Wire Guides Installing PD continuous wire guides with PD drive rollsInstalling Non-PD Old Style Wire Guides Installing wire guides with non- PD old-style drive rollsRotate guide holder 180 degrees and reinstall Tools Needed 16, 1/8, 5/32Installing Welding Gun Installing gun with Accu-Mate connectionSecure gun by tightening power clamp knob Installing gun without Accu- Mate connectionEnd Of Liner No Wire SlipWire Slips Feeder Display At Power Up Dual Schedule Switch OptionsPower Source Upper Display Lower Display Voltage Range Upper Display Lower Display− Operation Operational TermsPower Switch Feeder Set UpGeneral Terms Crater PostflowSee Section Program Volts Time Arc Adjust Front Panel ControlsSee SectionVolts Arc Adjust Program Push ButtonUpper Display 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 Reset Mode PulseMild Steel Accu-pulseSequence Parameters − Setting Sequence ParametersSequence Parameters In a Program − Maintenance Routine MaintenanceDisconnect power before maintaining = Check = Change ~ = Clean = ReplaceDiagnostics Indicates a voltage Sense errorIndicates a line error Indicates an arc errorIndicates a polarity error Indicates a memory CRC PCM errorTroubleshooting Disconnect power before troubleshootingRMD done message indicates 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 To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s

SECTION 7 − MAINTENANCE

7-1. Routine Maintenance

Y Disconnect power before maintaining.

n = Check

Z = Change

~ = Clean

l = Replace