Miller Electric Axcess 450 manual Top Tray Assembly

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. Hardware is common and

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not available unless listed.

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					803 422-B
				Figure 11-3. Top Tray Assembly
Item		Dia.	Part
	No.	Mkgs.	No.	Description	Quantity
				Figure 11-3. Top Tray Assembly (Fig 11-1Item 4)

. . . 1 . . . . PC3			231928 . . .	Circuit Card Assy, Aux Power	. . . 1
. . .	2	. . . . . . . . . . .	223439 . . .	Insulator, Circuit Card (Aux Power)	. . . 1
. . .	3	. . . . . . . . . . .	170647 . . .	Bushing, Snap−in Nyl 1.312 Id X 1.500 Mtg Hole	. . . 1
. . . 4 . . . . PC4			204048 . . .	Circuit Card Assy, Process Control Module	. . . 1
. . .	5	. . . . . . . . . . .	083147 . . .	Grommet, SCR No 8/10 Panel Hole .312 Sq .500 High	. . . 8
. . .	6	. . . . . . . . . . .	210491 . . .	Panel, Mtg Components Top	. . . 1
. . .	7	. . . . . . . . . . .	198122 . . .	Stand−Off Support, PC Card .250 w/Post&Lock .500	. . . 1

♦OPTIONAL

+When ordering a component originally displaying a precautionary label, the label should also be ordered.

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

OM-220 389 Page 41

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Contents File Advanced Manufacturing Systems OM-220 389JProcesses DescriptionFrom Miller to You Table of Contents − Troubleshooting Decstat1/07 DirectivesStandards Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLOLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-220 389 Keep your head out of the fumes Disconnect input plug or power before working on machine− Definitions Manufacturer’s Warning Label DefinitionsWeee Label Manufacturer’s Rating Label Symbols And DefinitionsI1max I1eff17-3/32 in 434 mm 17-3/8 in 441 mm 19-3/32 in 485 mm − InstallationSpecifications Dimensions And WeightOverheating Duty Cycle And OverheatingVolt-Ampere Curves 100% Duty Cycle At 450 AmperesDo not stack units. Beware of tipping Connection DiagramSelecting a Location Rear Panel Receptacles And Supplementary Protectors Incorrect Installation Connecting To Weld Terminals50/60 Hz Network Wire Feeder Receptacle FunctionsElectrical Service Guide PinDisconnect Device Input Power Connections Connecting Input PowerWelding Power Source Input Power Connections Selecting Weld Cable Sizes − Recommended Setup ProceduresGun TravelWCL Current Flow Path Welding CircuitBest Using Multiple Welding Power Sources Wire Feeder Drop in the workpiece. The voltage drop Bad SetupSupporting separate voltage feedback to OM-220 389 Better SetupBest Setup PDA Port PC Port OM-220 389 Front Panel Switches− Operation Blowing Out Inside of Unit − MaintenanceRoutine Maintenance Exploding Parts can cause injury − Safety Precautions for ServicingShock Hazard from testing Servicing HazardsCalifornia Proposition 65 Warnings Removing Cover and Measuring Input Capacitor Voltage − TroubleshootingStatus Diagnosis Process Control Module PC4 Diagnostic LED’sDiagnostic LED’s On Process Control Module PC4 Circuit board is operating normally Network And Module Status LED’s Network Status LED’sModule Status LED’s RedTrouble Remedy TroubleshootingCircuit Diagram For Welding Power Source − Electrical Diagrams220 420-B 16 − Fig − Parts ListWindtunnel Assembly LH And RH Windtunnel Assembly LH And RH -1Item Top Tray Assembly Rear Panel Assembly Front Panel Assembly Dia Part Support ServiceYour distributor also gives 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