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Miller Electric Maxstar 200 STR Maintenance and Troubleshooting, Routine Maintenance, Months

Models: Maxstar 200 STR

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SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

. Maintain more often during severe conditions.

3 Months

Replace unreadable labels.

Clean and tighten weld terminals.

Replace Damaged Gas Hose

3 Months

Repair Or Replace

Cracked Cables

And Cords

6 Months

YDo not remove case when blowing out inside of unit (see Section 6-2) .

Blow out inside. During heavy service clean monthly.

6-2. Blowing Out Inside Of Unit

Y Do not remove case when blowing out inside of unit.

To blow out unit, direct airflow through front and back louvers as shown.

802 886-A

OM-2233 Page 25

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Miller Electric Maxstar 200 STR Maintenance and Troubleshooting, Routine Maintenance, Blowing Out Inside Of Unit, Months

Contents

Processes OM-2233 203 409QDescription From Miller to You Table of Contents − Parts List Standards DirectivesDecstat6/05 Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécurité− Definitions CE Models Electric shock from welding electrode or wiring can kill60 s Weee Label For Products Sold Within The EUFalling equipment can cause injury and damage to unit Manufacturer’s Rating Label Symbols And DefinitionsSpecifications − Installation5 V a C In p u t Volt-Ampere CurvesTh e r In p u t V o lt a g e s Minutes Duty Cycle And OverheatingMinutes Welding OverheatingLocation And Airflow Dimensions And WeightSelecting a Location SectionRemote 14 Receptacle Information Weld Output Terminals And Selecting Cable SizesTurn off power before mak- ing connections Input Amperes At Rated Output Electrical Service GuideStick Dcep Direct Current Electrode Positive Connections Input Voltage= GND/PE Earth Ground Connecting Input PowerConnecting Three-Phase Input Power For Three-Phase OperationConnecting Single-Phase Input Power Controls − OperationNon CE Units For CE Units Application Lift-ArcStart ProcedureProcess Control Lift-Arc StartMin Stick Start Procedure − Scratch Start TechniqueAmperage Control DIG ControlMonths − Maintenance and TroubleshootingRoutine Maintenance Blowing Out Inside Of UnitOutput LED High Temperature LED Troubleshooting Help AidsHelp 8 Display Check and tighten all gas fittings see Section TroubleshootingTrouble Remedy Shield weld zone from draftsCircuit Diagram − Electrical DiagramsUp to Amperage Range Gas Type PolarityPositioning The Torch − Guidelines for Gtaw TIG WeldingTungsten With Filler Rod Torch Movement During WeldingPositioning Torch Tungsten For Various Weld Joints Tungsten Without Filler RodWeld current starts when electrode touches work- piece Stick Welding Procedure− Stick Welding Smaw Guidelines Striking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc − Tapping Technique 10-30 9090 End View of Work Angle Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode HolderElectrode Movement During Welding Conditions That Affect Weld Bead Shape16 in 30 1.6 mm Tack Welds Butt JointsLap Joint Tee JointPossible Causes Corrective Actions Troubleshooting − PorosityTroubleshooting − Excessive Spatter Weld TestTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion 2734 401 400402 614 − Parts List615 600 PC2 602 400 601 603 605 Panel, Front w/Components -1ItemPanel, Rear w/Components Magnetics Assembly w/Components 1Item Windtunnel w/Components -1Item Windtunnel w/Components604 600 601 602 604Base Assembly Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact