Miller Electric D-74D manual Specifications, Site Selection, Rating

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SECTION 4 − INTRODUCTION

4-1. Specifications

	Type of Input	Welding Power	Wire Feed Speed	Wire Diameter	Welding	IP	Overall
	Type of Input	Welding Power	Wire Feed Speed	Wire Diameter	Circuit	IP	Overall	Weight
	Power	Source Type	Range	Range	Circuit	Rating	Dimensions	Weight
	Power	Source Type	Range	Range	Rating	Rating	Dimensions
					Rating

	24 Volts AC	Constant Voltage (CV)	Standard: 50 To 780	.023 To 1/8 in	100 Volts,	IP 21	Length: 35 in	87 lb
	Single-Phase	DC With 14-Pin And	ipm (1.3 To 19.8 mpm)	(0.6 To 3.2 mm)	750		(889 mm)	(39.5 kg)
	10 Amperes	Contactor Control			Amperes,		Width: 12-1/2 in
	50/60 Hertz		Optional High Speed:	Max Spool	100% Duty		Width: 12-1/2 in
	50/60 Hertz		Optional High Speed:	Max Spool	100% Duty		(318 mm)
			92 To 1435 ipm (2.3	Weight: 60 lb	Cycle		(318 mm)
			92 To 1435 ipm (2.3	Weight: 60 lb	Cycle		Height: 14 in
			To 36.4 mpm)	(27 kg)			Height: 14 in
							(356 mm)

SECTION 5 − INSTALLATION

5-1. Site Selection

1

5

3 4

2

6

YDo not put feeder where welding wire hits cylinder.

YDo not move or operate equipment when it could tip.

1Wire Feeder

2Rubber Feet

Choose slot that allows all rubber feet to sit securely on top of welding power source.

3Wire Spool/Reels

4Gas Cylinder w/Hose And Regulator (Customer Supplied)

.Shielding gas pressure not to exceed 100 PSI (689 kPa).

5Welding Power Source

6Running Gear

Wire feeder shown is representative only and does not reflect actual unit.

Ref. 803 048

OM-1500-6 Page 11

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Contents File MIG Gmaw OM-1500-6 206 805HProcesses DescriptionFrom Miller to You Table of Contents Decwire6/05 DirectivesStandards 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 Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique 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 sécuritéDisconnect input plug or power before working on machine Drive rolls can injure fingersKeep your head out of the fumes Rating Label For CE Products Symbols And DefinitionsSpecifications Site SelectionRating Equipment Connection Diagrams Rear Panel Connections And Rotating Drive Assembly Gun Recommendation Table Wire Type, Size, And Feed Speed Capability TableMotor Speed Wire Type Wire Size Feed Speed Capability Pin Plug InformationInstalling And Threading Welding Wire Automatic Run-In OFF S1-1 And S1-2 Setting Internal DIP SwitchesCurrent Detect Override OFF Factory Default S1-1 And S1-2 Right Side Motor Control Board PC1 Left Side Motor PC101PC60 Optional Equipment DIP Switch SettingsJog/Purge Power SwitchLeft/Right Select Switch Power SwitchTrigger Hold Switch Trigger Hold SwitchesVoltage Control And Digital Meters Routine Maintenance Disconnect power before maintainingMonths Diagnostics Trouble Remedy TroubleshootingDisconnect power before troubleshooting Wire feeds, shielding gas flows, butOM-1500-6 − Electrical Diagram 204 716-B 21 −2 Main AssemblyPart Description Quantity Control Box 130 Harness Connectors/ReceptaclesDrive Assembly, Wire -1Item Drive Assembly, Wire203 Roll Drive Kit Drive Roll And Wire Guide Kits Fraction MetricKit Roll Wire Size Roll DrivePage Page Service Your distributor also givesSupport 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