Miller Electric NT 450, NT 500 manual Parts List, Main Assembly

Page 34

SECTION 8 − PARTS LIST

4		. Hardware is common and
		not available unless listed.
7	6	5
8

3	28
3
	27		9
	27
29	26 25
2	24
	24
31	22
	22
30	21
	10	11	13	3
	23
	21

1

20

19

12

14 16

				17		2
						2
				18	15	803 896-E
				18

				Figure 8-1. Main Assembly
Item		Dia.	Part	Description		Quantity
	No.	Mkgs.	No.	Description		Quantity
				Figure 8-1. Main Assembly

. . .	1 .	. . . . . . . .	. . Fig 8-2	. . PANEL, Front w/Components	. . . . . . . . .	. . . . 1
. . . 2 .		. . . . . . . .	. 217 136	. . LABEL,WARNING ELECTRIC SHOCK	. . . . . . . . .	. . . . 2
. . . 2 .		. . . . . . . .	. 176 254	. . LABEL, GENERAL PRECAUTIONARY WORDLESS, INTL .	. . . . . . . . .	. . . . 2
. . .	3 .	. . . . . . . .	+179 432	. . PANEL, SIDE	. . . . . . . . .	. . . . 2
. . .	4 .	. . . . . . . .	. 179 431	. . COVER, TOP	. . . . . . . . .	. . . . 1
. . . 5 .		. . . . . . . .	. 213 898	. . BAFFLE, AIR UPPER IGBT ASSY	. . . . . . . . .	. . . . 1
. . .	6 .	. . . . . . . .	. 162 830	. . LIFT EYE	. . . . . . . . .	. . . . 1
. . .	7 .	. . . . . . . .	. 177 279	. . GASKET, LIFT EYE	. . . . . . . . .	. . . . 1
. . .	8 .	. . . . . . . .	. 162 820	. . BAR, MTG LIFT EYE	. . . . . . . . .	. . . . 2
. . .	9 .	. . . . . . . .	. . Fig 8-4	. . PANEL, REAR	. . . . . . . . .	. . . . 1
. . . 10		C21,22,23 163 906		. . CAPACITOR	. . . . . . . . .	. . . . 3
. . . 11 .		. . . . . . . .	. 159 034	. . HOLDER, FUSE MINTR 10.3MM X 33.3 TO 38.1MM PANEL MT		. . . . 1
. . . 12 .		. . . F1 . . 156 065		. . FUSE, CRTG .5 AMP 600 V TIME DELAY	. . . . . . . . .	. . . . 1
. . . 13 .		. . . W . .	. 160 793	. . CONTACTOR, DEF PRP 60A 3P 24VAC COIL W/BOXLUG .	. . . . . . . . .	. . . . 1

OM-2252 Page 30

Image 34

Contents Description OM-2252218 084RProcesses File Multiprocess WeldingFrom Miller to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion Risque D’INCENDIE OU D’EXPLO- Sion LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’APPAREIL peut blesserLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-2252 General Precautionary Label − DefinitionsElectric Shock And Airflow Label Nameplate Safety SymbolsInput Connection Label ? aSpecifications − InstallationDuty Cycle And Overheating Volt-Ampere Curves CC ModeCV Mode 100 200 300 400 500 600460 mm Selecting a LocationMovement 460 mm OM-2252Weight Dimensions And WeightsDimensions 376 lb 171 kg Holes EFrontTipping Do not move or operate unit where it could tipTurn Off power before connecting to receptacle VAC Receptacle And Circuit BreakersConnecting Weld Output Cables Weld Output Terminals And Selecting Cable SizesRemote 14 Receptacle Information Connecting Remote ControlTurn off power before con SocketElectrical Service Guide Placing Jumper LinksDisconnect Device Input Power Connec- tions Connecting Input PowerWelding Power Source Input Power Connections = GND/PE Earth Ground− Operation ControlsLift-Arc TIG Procedure For CC/CV Models Meter Functions For CC/CV ModelsDisconnect power before maintaining − Maintenance & TroubleshootingRoutine Maintenance Disconnect input power be- fore opening rear access doorHelp 3 Display Voltmeter/Ammeter Help DisplaysHelp 7 Display Troubleshooting Trouble RemedyWork like a Pro − Electrical Diagram Circuit Diagram For Dimension NT218 081-F − Parts List Main AssemblyTHERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead Panel, Front With Components 264Panel, Front With Components -1Item IGBT/Capacitor Assembly IGBT/Capacitor Assembly -1item 221Panel, Rear With Components Page Work like a Pro Your distributor also gives ServiceSupport 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