Main Rectifier Assembly | Miller Electric 400P, 500 X instruction

	. Hardware is common and	4
	not available unless listed.	4
	not available unless listed.
		3

2

1

5

6

7

8

9

						802 279-A
					Figure 13-7. Main Rectifier Assembly
Item			Dia.	Part	Description	Quantity
	No.		Mkgs.	No.	Description	Quantity
					Figure 13-7. Main Rectifier Assembly (Figure 13-1Item 117)

. . .	. . .	. . . .	SR3 . . .	215 910 . .	RECTIFIER, environment (consisting of)	. . . . 1
. . .	1	. . . .	. . . . . . . . .	188 137 . . .	. CONNECTION BOARD, rectifier AC	. . . . 1
. . .	2	. . . .	. . . . . . . . .	188 517 . . .	. BUS BAR, connection board	. . . . 3
. . .	3	. . . .	. . . . . . . . .	188 135 . . .	. ENCLOSURE, rectifier	. . . . 2
. . .	4	. . . .	. . . . . . . . .	134 201 . . .	. STAND-OFF, support	. . . . 3
. . .	5	. . . . PC3 . . .		215 755 . . .	. CIRCUIT CARD ASSEMBLY, protection	. . . . 1
. . .	6	. . . .	. . . . . . . . .	188 136 . . .	. INSULATOR, heat sink	. . . . 8
. . .	7	. . . .	. . . . . . . . .	188 493 . . .	. HEAT SINK, rectifier al	. . . . 2
. . .	8	. D3, D5, D7		208 334 . . .	. DIODE, rect 275A 300V SP	. . . . 3
. . .	9	. D2, D4, D6		208 335 . . .	. DIODE, rect 275A 300V RP	. . . . 3

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-4421 Page 85

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Miller Electric 400P, 500 X manual Main Rectifier Assembly

Contents

File Engine Drive OM-4421215 075QProcesses Description From Miller to You Table of Contents − Maintenance & Troubleshooting Standards DirectivesDecrot1/07 Decrotsound6/05 Manufacturer European Contact Notified Body HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can kill Welding can cause fire or explosion Fumes and Gases can be hazardousBuildup of GAS can injure or kill ARC Rays can burn eyes and skin Compressed Air Hazards Engine Hazards Falling Unit can cause injury Welding Wire can cause injuryHOT Parts can cause burns and injury Fire or Explosion hazard Radiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information Indique des instructions spécifiques Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuer LE Bruit peut affecter l’ouïe DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un in cendie ou une explosion DES Organes Mobiles peuvent pro voquer des blessures ’EXPLOSION DE LA Batterie peu ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion ’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Proposition californienne 65 AvertissementsPrincipales normes de sécurité Information EMF − 50 h Std − DefinitionsStd Manufacturer’s Rating Labels Some symbols are found only on export products Symbols And Definitions Weld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere Curves For CC Models Volt-Ampere Curves For CC/CV Models Stick ModeMIG Mode TIG Mode Duty Cycle And Overheating Fuel Consumption100% Duty Cycle At 400 Amperes 15 kVA/kW Three-Phase AC Output No Weld Load AC Generator Power CurveOptional Three-Phase Generator Curves 12 kVA/kW Single-Phase AC Output No Weld Load Grounding1 − InstallationInstalling Welding Generator Location/Airflow Clearance Using Lifting Eye Mounting Welding Generator Stop engine and let cool Installing Exhaust Pipe Connecting The Battery Activating The Dry Charge Battery If Applicable Engine Prestart Checks Coolant Recovery Tank Stop engine Connecting To Weld Output TerminalsStick and TIG Welding MIG and Fcaw Welding 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Connecting to WeldSelecting Weld Cable Sizes 150 ft 200 ft 250 ft Socket Connecting To Remote 14 Receptacle RC14 On CC/CV Models OM-4421 Front Panel Controls For CC Models See Section − Operating Welding Generator − CC Models Weld Controls Engine Starting ControlsTo Start Engine Gauges And Meters Weld Control/Arc Condition Information Label Remote Amperage Control On CC Models OptionalExample Combination Remote Amperage Control Stick OM-4421 Front Panel Controls For CC/CV Models See Section − Operating Welding Generator − CC/CV Models Electric shock can kill Voltage/Amperage Adjust Switch And Remote 14 Receptacle14 AC/DC Voltmeter Optional Process/Contactor Switch Settings Process/Contactor Switch On CC/CV Models Example Combination Remote Amperage Control TIG Remote Voltage/Amperage Control On CC/CV Models Optional If a Supplementary − Operating Auxiliary EquipmentVolt And 240 Volt Receptacles At least once a month, run en Rear Of Panel Three-Phase Power ConnectionClose panel opening if no connections are made to generator 240 V 15 a AC South African Receptacle RC1 Optional Generator Power ReceptaclesSupplementary Protector CB2 Supplementary Protector CB3 Maintenance Label − Maintenance & Troubleshooting Routine Maintenance Checking Generator Brushes To clean air filter Servicing Air Cleaner Inspecting And Cleaning Optional Spark Arrestor Muffler Standard Model Idle Speed Ad- justment Adjusting Engine SpeedWeld/Power Speed Adjustment Engine Speed No Load While draining fuel tank Servicing Fuel And Lubrication SystemsTo change oil and filter To replace primary fuel filter Overload Protection Welding − CC Models Troubleshooting Welding − CC/CV Models Optional Three-Phase Generator Power CC/CV Models Only Standard Generator Power Engine Welding Symbols Circuit Diagram For CC Welding Generator − Electrical Diagrams 223 522-B Circuit Diagram For CC/CV Welding Generator 223 523-B Wetstacking − RUN-IN ProcedureWelding Generator Keep exhaust and pipe away Run-In Procedure Using Load BankFrom flammables Manual Run-In Procedure Using Resistance GridSpecifications section in this Just generator A/V control so Electrically Bond Generator − Generator Power GuidelinesSelecting Equipment Grounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Use ground device as stated in electrical codes Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment KVA/HP x HP x 1000 / Volts = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible − Parts List 128 93 −6 105 104 100 101 102 103 Main Assembly 010 Figures 13-2 Figures 13-4 Control Box Assembly − CC Models 087 Control Box Assembly − CC/CV Models -1Item Control Box Assembly − CC/CV Models TD1 214 3634 Panel, Front w/Components − CC Models Panel, Front w/Components − CC Models -1Item 40 39 Panel, Front w/Components − CC/CV Models Panel, Front w/Components − CC/CV Models -1Item 170 34 36 27 26 Hardware is common Not available unless listed 602 SCREW, .312−18x .75 hexwhd.66d stl pld slffmg tap−rw 601 Main Rectifier Assembly Wiring Harnesses PLG4 Harness, receptacle auxiliary power export models includesPage 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