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S-74DX

Processes

Description

MIG (GMAW) Welding
Flux Cored (FCAW) Welding
(Gas- And Self-Shielded)

Wire Feeder

OM-1500-9

207749AF

2017

02

File: MIG (GMAW)

CE

For product information,

Owner’s Manual translations,

and more, visit

www.MillerWelds.com/ams

Summary of Contents for 300618

Page 1: ...scription MIG GMAW Welding Flux Cored FCAW Welding Gas And Self Shielded Wire Feeder OM 1500 9 207749AF 2017 02 File MIG GMAW CE For product information Owner s Manual translations and more visit www...

Page 2: ...ntinue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get...

Page 3: ...Location 12 4 2 Unit Specifications 12 4 3 Wire Type Size And Feed Speed Capability Table 12 4 4 Environmental Specifications 12 SECTION 5 INSTALLATION 14 5 1 Selecting A Location 14 5 2 Rear Panel Co...

Page 4: ...IGH SPEED MOTOR 300618002 S 74 DX FEEDER W CE EURO 300618003 S 74DX FEEDER W GOUGE 300618006 Council Directives 2014 35 EU Low Voltage 2014 30 EU Electromagnetic Compatibility 2011 65 EU Restriction o...

Page 5: ...neeling or lying or when there is a high risk of unavoid able or accidental contact with the workpiece or ground For these conditions use the following equipment in order presented 1 a semiautomaticDC...

Page 6: ...ared according to AWS F4 1 and AWS A6 0 see Safety Standards D Do not weld where the atmosphere can contain flammable dust gas or liquid vapors such as gasoline D Connect work cable to the work as clo...

Page 7: ...S can injure D Keep away from moving parts such as fans D Keep all doors panels covers and guards closed and securely in place D Have only qualified persons remove doors panels covers or guards for ma...

Page 8: ...PA Standard 51B from National Fire Protection Association Quincy MA 02269 phone 1 800 344 3555 website www nfpa org OSHA Occupational Safety and Health Standards for General Indus try Title 29 Code of...

Page 9: ...s dans un environnement humideou si l on porte des v tements mouill s sur des structures m talliquestelles que sols grilles ou chafaudages en position coinc e comme assise genoux ou couch e ou s il y...

Page 10: ...et des quipements chauds peut provoquer des incen dies et des br lures Le contact accidentel de l lectrode avec des objets m talliques peut provoquer des tincelles une explosion un sur chauffement ou...

Page 11: ...capacit suffisante pour lever l appareil D En utilisant des fourches de levage pour d placer l unit s assurer que les fourches sont suffisamment longues pour d passer du c t oppos de l appareil D Teni...

Page 12: ...American Welding Society Standard AWS A6 0 from Global EngineeringDocuments phone 1 877 413 5184 website www global ihs com National Electrical Code NFPA Standard 70 from National Fire Protec tion Ass...

Page 13: ...Safe37 2012 05 Safe57 2012 05 Wear dry insulating gloves Do not touch electrode wire with bare hand Do not wear wet or damaged gloves Protect yourself from electric shock by insulating yourself from...

Page 14: ...are at welding voltage during operation keep hands and metal objects away Safe33 2012 05 EnvironmentalProtection Use Period China Safe123 2016 06 Wear hat and safety glasses Use ear protection and but...

Page 15: ...nt Purge By Gas Constant Voltage I2 Rated Welding Current Program Variable Inductance Preflow Time Line Connection U2 Conventional Load Voltage Wire Feed Cold Jog Inch Towards Workpiece Circuit Breake...

Page 16: ...pe Size And Feed Speed Capability Table Motor Speed Wire Type Wire Size Rated Speed Range Rated Speed Range per IEC 60974 5 Standard Speed All 023 To 5 64 in 0 6 To 2 mm 50 To 780 ipm 1 3 To 19 8 mpm...

Page 17: ...GB T26572 Indicates that the concentration of the Hazardous Substance in all homogeneous materials of the part is below the relevant threshold of China GB T 26572 X 2 AC5 DE8 9 F GB T26572 Indicates t...

Page 18: ...ts cylinder Wire feeder shown is repre sentative only and may not reflect actual unit 1 Wire Feeder 2 Rubber Feet Choose slot that allows all rubber feet to sit securely on top of welding power source...

Page 19: ...ng Requires fitting with 5 8 18 right hand threads Connect customer supplied gas hose Shielding gas pressure not to exceed 100 PSI 689 kPa 3 Weld Cable Terminal 4 Weld Cable 5 Drive Assembly 6 Drive A...

Page 20: ...n Locking Tab 2 Power Clamp Knob 3 Gun Connection End 4 Power Pin Groove Installing gun with Accu Mate connection Loosen power clamp knob to allow power pin of gun to clear the gun locking tab Push po...

Page 21: ...wire reduce drive roll pressure on the rear roll to half that of the front rolls To adjust drive roll pressure hold nozzle about 2 in 51 mm from nonconductive surface and press gun trigger to feed wi...

Page 22: ...uxiliary Menu selecting a de fault power source with the Power Source Selection Menu overrides the Vmin and Vmax voltage set tings Next Time Feeder Is Turned On The feeder will display the last se lec...

Page 23: ...re without contactor or gas valve being energized Sequence A portion of the weld program such as preflow run in start weld crater burnback and postflow Weld Program A group of sequences that make up a...

Page 24: ...time Release button to display voltage 3 Upper Display Push Button LED The upper display push button LED illumi nates to indicate that information displayed can be changed by the Adjust control 4 Volt...

Page 25: ...ess button to choose between trigger hold or dual schedule functions 2 Setup Push Button LED 3 Trigger Hold LED 4 Dual Schedule LED When the Setup button is pressed the Set up push button LED flashes...

Page 26: ...skipped In the weld sequence display mode the Se quence push button LED is Off When the Sequence push button is pressed the Se quence push button flashes and the Start LEDs flash In this condition the...

Page 27: ...e The set tings correspond to arc voltage obtained at minimumcommand and arc voltage obtained at maximum command This method of setting VMIN and VMAX may be used if the power source being used is not...

Page 28: ...release re trigger and hold again within 0 4 seconds the active program will switch to program 2 If the pre vious sequence is repeated the active pro gram will switch back to program 1 This cycle can...

Page 29: ...nit displays the ERR TRIG message to inform the operator that the trigger is acti vated Jog speed can be adjusted by the Adjust control when the unit is jogging wire The unit displays jog speed when t...

Page 30: ...If time is set to zero in any timed sequence except Weld the sequence is skipped Trigger Pressed Trigger Released Time Start Time Preflow Weld Time Crater Time Postflow Start Burnback Time Time Time...

Page 31: ...B DSS 8 DSS 9 1 SECTION 9 MAINTENANCE 9 1 Routine Maintenance Disconnect power before maintaining Maintain more often during severe conditions 3 Months Replace unreadable labels Clean and tighten weld...

Page 32: ...The er ror may be cleared by releasing the trigger ERR TCH1 The tach error occurs 2 seconds after the loss of tachometer feedback The user may continue to weld with this error The motor speed is regul...

Page 33: ...OM 1500 9 Page 29 SECTION 10 ELECTRICAL DIAGRAM Figure 10 1 Circuit Diagram 235 601 C...

Page 34: ...00 9 Page 30 SECTION 11 PARTS LIST 805 083 B Hardware is common and not available unless listed 1 2 3 4 Fig 11 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Fig 11 2 11 10 9 Figure 11 1 Main Asse...

Page 35: ...2 12 058428 Hub Spool 1 13 248974 Tubing Stl 875 Od X12Ga Wall 1 14 135205 Nut Stl Slflkg Hex Reg 625 11 W Nylon Insert 1 15 200556 Support Spool 1 16 201781 Knob W Extension Clamp 1 17 156243 Clamp M...

Page 36: ...In Nyl 1 375 Id X 1 750 Mtg Hole 2 7 235206 Enclosure Control Motor 1 8 232880 Circuit Card Assy 14 Pin Filter 1 204910 Cable Power Consisting Of 1 9 139041 Strain Relief 1 10 163519 Cable Port 15 5...

Page 37: ...7 Circuit Card Assy Trigger Filter 1 23 235209 Panel Front 1 Nameplate Order By Model And Serial Number 1 PLG6 115094 Housing Plug Skts Service Kit 1 PLG11 61 131055 Housing Plug Skts Service Kit 1 PL...

Page 38: ...m 1 4 PC51 237667 Circuit Card Assy Trigger Filter 1 5 072785 Screw 006 32X 37 Hexwhd Pln Stl Pld Slffmg Tap Rw 4 6 PC20 235331 Circuit Card Assy Display Micro W Program 1 7 PC21 238273 Circuit Card A...

Page 39: ...OM 1500 9 Page 35 Notes...

Page 40: ...Id X 619 Od X 105 2 7 133493 Ring Retaining Ext 250 Shaft X 025Thk 1 8 133350 Pin Hinge 1 9 M1 201230 Motor Gear 1 8HP 24VDC Standard Speed 1 9 M1 201231 Motor Gear 1 8HP 24VDC High Speed Optional 1 9...

Page 41: ...26 134834 Hose Sae 187 Id X 410 Od Order By Ft 2Ft 27 244579 Adapter Assy Gun Feeder Lh Accu Mate Consisting Of 1 28 601966 Screw Cap Stl Hexhd 375 16 X 1 250 1 29 149959 Fitting Brs Barbed M 3 16Tbg...

Page 42: ...5257 068 072 in 1 8 mm 151056 5 64 in 2 0 mm 151040 151057 151073 3 32 in 2 4 mm 151041 151058 151074 7 64 in 2 8 mm 151042 151059 151075 1 8 in 3 2 mm 151043 151060 151076 Accommodates 045 and 047 3...

Page 43: ...Guns Subarc SAW Torches and External Cladding Heads Remote Controls and RFCS RJ45 Replacement Parts No labor Spoolmate Spoolguns Miller s True Blue Limited Warranty shall not apply to 1 Consumable co...

Page 44: ...your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal Safety Equip...

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