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OM-251958 Page 54

956142845_11_14_A

Figure 8-4. Wrapper Assembly, MigMatic 300DX/380DX

Description

Part

No.

Item

No.

Figure 8-4. Wrapper Assembly, MigMatic 300DX/380DX

Quantity

300

380

Model

1

156034005

Latch, Side Panel

2

2

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. . . . . . .

2

156007043

Side Panel, Hinged

1

1

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3

156034007

Hinge

2

2

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4

000207235

Label, Warning, Tilt

1

1

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5

156005156

Cylinder Rack, Upper Support

1

1

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6

956142857

Rating Plate, MigMatic 300DX V.400

1

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6

956142861

Rating Plate, MigMatic 300DX V.230/400

1

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6

956142859

Rating Plate, MigMatic 380DX V.400

1

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6

956142863

Rating Plate, MigMatic 380DX V.230/400

1

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7

000207291

Label, Primary Power Connections

1

1

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8

156023157

Wheel, Retaining Clip

2

2

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9

056054085

Wheel, D.250, Hole D.20

2

2

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10

156009132

Washer

4

4

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+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.

Summary of Contents for MigMatic 300

Page 1: ...tion MIG GMAW Welding Flux Cored FCAW Welding Arc Welding Power Source Wire Feeder OM 251958F 2018 02 MigMatic 300 380 And DX R CE File MIG GMAW For product information Owner s Manual translations and...

Page 2: ...ucts Please take time to read the Safety precautions They will help you protect yourself against potential hazards on the worksite We ve made installation and operation quick and easy With Miller you...

Page 3: ...5 1 Controls For MigMatic 300 22 5 2 Controls For MigMatic 380 23 5 3 Selecting Parameters MigMatic 300 And 380 Models 24 5 4 Sequencer Controls Settings MigMatic 300 And 380 Models 25 5 5 Trigger Mod...

Page 4: ...2 MIGMATIC 380 DX 400VAC 029015543 MIGMATIC 380 230 400VAC 029015547 MIGMATIC 380 DX 230 400VAC 029015548 Council Directives 2006 95 EC Low Voltage 2004 108 EC Electromagnetic Compatibility 2011 65 EU...

Page 5: ...options welding programs are changed Occupational exposure is below the Exposure Limit Values ELVs YES NO for health effects at the standardized configurations if NO specific required minimum distance...

Page 6: ...options welding programs are changed Occupational exposure is below the Exposure Limit Values ELVs YES NO for health effects at the standardized configurations if NO specific required minimum distance...

Page 7: ...electrically hazardous conditions are present in damp locations or while wearing wet clothing on metal structures such as floors gratings or scaffolds when in cramped positions such as sitting kneelin...

Page 8: ...ot possible tightly cover them with approved covers D Do not weld where flying sparks can strike flammable material D Protect yourself and others from flying sparks and hot metal D Be alert that weldi...

Page 9: ...o move unit be sure forks are long enough to extend beyond opposite side of unit D Keep equipment cables and cords away from moving vehicles when working from an aerial location D Follow the guideline...

Page 10: ...eorge Carter Way Suite 103 Chantilly VA 20151 phone 703 788 2700 website www cga net com Safety in Welding Cutting and Allied Processes CSA Standard W117 2 from Canadian Standards Association Standard...

Page 11: ...ycling office or your local distributor for further information Safe37 2017 04 Wear dry insulating gloves Do not touch electrode with bare hand Do not wear wet or damaged gloves Safe2 2017 04 Protect...

Page 12: ...objects away Safe33 2017 04 Consult rating label for input power requirements See rating label on unit and check input voltage available at site Safe34 2012 05 Become trained and read the instruction...

Page 13: ...rnating Current AC Direct Current DC Remote On Off Protective Earth Ground Line Connection Three Phase Single Phase Gas Metal Arc Welding GMAW U1 Primary Voltage I1max Rated Maximum Supply Current I1e...

Page 14: ...AC 50 60 Hz 180 A 23 V 230 A 25 5 V 300 A 29 0 V 43 5 30 300 A 471 x 825 x 1066 88 Net Wire feed speed range 1 3 mpm to 26 mpm Model Rated Output Max Open Circuit Voltage Amperage Range DC Dimension m...

Page 15: ...ll between the curves shown MigMatic 300 0 5 0 1 5 1 0 2 5 2 0 3 5 3 0 4 5 4 0 5 0 4 3 0 2 3 0 0 3 0 8 2 0 6 2 0 4 2 0 2 2 0 0 2 0 8 1 0 6 1 0 4 1 0 2 1 0 0 1 0 8 0 6 0 4 0 2 0 DC Amperes DC Volts Max...

Page 16: ...lectrical power is provided by the public low voltage supply system There can be potential difficulties in ensuring electromagnetic compatibility in those locations due to con ducted as well as radiat...

Page 17: ...lightly Gas flow blows dust and dirt from valve Close valve 3 Cylinder 4 Regulator Flowmeter Install so face is vertical 5 Regulator Flowmeter Gas Hose Connection 6 Welding Power Source Gas Hose Conne...

Page 18: ...OM 251958 Page 12 4 2 Installing Wire Spool And Adjusting Hub Tension Ref D2 Tools Needed Hub Assembly 15 Kg Wire Spool Assembly 5 Kg Wire Spool Assembly 1 Spacers Use only for 5Kg spool 1...

Page 19: ...connecting input conductors from unit Follow established procedures regarding the installation and removal of lockout tagout devices Check input voltage available at site 1 Jumper Link Label Check lab...

Page 20: ...20 5 40 23 Maximum Effective Supply Current I1eff A 21 1 12 1 23 7 13 6 Max Recommended Standard Fuse Rating In Amperes1 Time Delay Fuses2 Normal Operating Fuses3 40 25 50 25 50 30 60 30 Min Input Con...

Page 21: ...OM 251958 Page 15 Notes...

Page 22: ...OM 251958 Page 16 4 5 Connecting 3 Phase Input Power input2 2012 05 Ref 803766 C Ref 956142845_5_14_A GND PE Earth Ground L1 2 1 L2 L3 3 3 4 5 6 7 Tools Needed...

Page 23: ...connect Device switch shown in the OFF position 3 Green Or Green Yellow Grounding Conductor 4 Disconnect Device Grounding Terminal 5 Input Conductors L1 L2 And L3 6 Disconnect Device Line Terminals Co...

Page 24: ...ssible without touching Tighten screw 3 Drive Roll The drive roll consists of two different sized grooves The stamped markings on the end surface of the drive roll refers to the groove on the opposite...

Page 25: ...as possible without touching Tighten screw 3 Drive Roll The drive roll consists of two different sized grooves The stamped markings on the end surface of the drive roll refers to the groove on the opp...

Page 26: ...open 1 Drive Roll Securing Nut 2 Drive Roll 3 Wire Guide 4 Welding Wire 5 Drive Gear Insert screwdriver and turn screw in or out until drive roll groove lines up with wire guide Close pressure roll a...

Page 27: ...ly Pull and hold wire cut off end Push wire thru guides into gun continue to hold wire Close and tighten pressure assembly and let go of wire Remove gun nozzle and contact tip Turn On Press gun trigge...

Page 28: ...dicator Light PL1 White LED PL1 is lit when power is On 6 Wire Feed Speed Control R1 Turn control clockwise to increase wire feed speed This control will also allow adjustment of sequencer parameters...

Page 29: ...power is On 6 Wire Feed Speed Control R1 Turn control clockwise to increase wire feed speed This control will also allow adjustment of sequencer parameters see Section 5 4 7 Digital Display Meter Disp...

Page 30: ...tup Button P1 To select welding parameters pro ceed as follows Press and release P1 push button to select desired parameter V A or and the corresponding LED will light up Display meter D1 displays sel...

Page 31: ...value Default 100 min 25 max 100 Run In control is active only with the slope time set to 0 sec 9 Slope Time Control LED Use control to select amount of time that it takes to slope up down from initia...

Page 32: ...ode When trigger is pressed welding starts When trigger is released welding stops 4 4 t Trigger Mode When trigger is pressed welding starts When trigger is released welding continues When trigger is p...

Page 33: ...ess and hold for three seconds the torch trigger to load welding wire After pressing and holding the torch trigger gas valve and in put power contactor are dis abled This method prevents the risks of...

Page 34: ...ngs MigMatic 300 And 380 Models This procedure will delete all oper ator specified parameters and re call all factory parameters 1 Trigger Mode Selector Switch P2 Press and hold P2 button and factory...

Page 35: ...ire Feed Speed WFS Trim Arc Length And Line Input Adjustment Control R1 See Section 5 11 7 Digital Display Meter Displays values and parameters for selected welding processes 8 Setup Button Use button...

Page 36: ...gital Display Meter Displays values and parameters for selected welding processes 8 Setup Button Use button to select parameters V A and the sequencer control 9 Trigger Mode Button Use control to sele...

Page 37: ...odels Only 1 Burnback Control R3 Use control to set time welding wire stays energized after trigger is re leased 2 Wire Run In Speed Control R2 Use control to determine rate at which welding wire feed...

Page 38: ...value 8 Positive Percentage Input Line Voltage Adjustment Display Indicator A dash in the right segment of the meter and a flashing PL1 indicates the need for a positive correction Turn R1 clockwise...

Page 39: ...And line Input Ad justment Control to change wire feed speed or amperage depend ing upon which parameter is active Rotate voltage control to change voltage when voltage LED is lit The value of the se...

Page 40: ...tin ues When trigger is pressed and released a second time welding stops 3 Trigger Mode Selection Button Press button to select desired trigger mode and lite corresponding LED 2 t and 4 t trigger meth...

Page 41: ...n to select desired wire type Fe ferris CrNi stainless steel Al aluminum or CuSi Cop per Silicon and lite corresponding LED 1 2 5 16 Gas Selection For Synergic MIG DX Models Only 1 ShieldingGas Types...

Page 42: ...y Meter In Manual MIG mode the operator may need to adjust main welding parameters for specific arc characteristics Use setup button to select desired parameter voltage amperage or preset wire feed sp...

Page 43: ...et er is displayed on the meter Turn voltage control S2 clockwise to increase voltage Turn wire feed speed control R1 clockwise to increase wir3e feed speed 6 Trigger Mode Button Use button to select...

Page 44: ...light coat of oil or grease to drive motor shaft OR 6 2 Welding Gun And Wire Drive Assembly 1 Welding Gun Check gun liner for blockage or kinks 2 Wire Drive Assembly Check for jammed wire binding dri...

Page 45: ...ck main transformer T1 for signs of winding failure Check continuity across windings and check connections Check secondary voltages Replace T1 if necessary Have Factory Authorized Service Agent check...

Page 46: ...OM 251958 Page 40 SECTION 7 ELECTRICAL DIAGRAMS 956142850 B Figure 7 1 Circuit Diagram for Migmatic 300 230 400 VAC...

Page 47: ...OM 251958 Page 41 956142846 B Figure 7 2 Circuit Diagram for Migmatic 300 400 VAC...

Page 48: ...OM 251958 Page 42 956142852 B Figure 7 3 Circuit Diagram for Migmatic 380 230 400 VAC...

Page 49: ...OM 251958 Page 43 956142848 B Figure 7 4 Circuit Diagram for Migmatic 380 400 VAC...

Page 50: ...OM 251958 Page 44 956142851 C Figure 7 5 Circuit Diagram for Migmatic 300 DX 230 400 VAC...

Page 51: ...OM 251958 Page 45 956142847 C Figure 7 6 Circuit Diagram for Migmatic 300 DX 400 VAC...

Page 52: ...OM 251958 Page 46 956142853 C Figure 7 7 Circuit Diagram for Migmatic 380 DX 230 400 VAC...

Page 53: ...OM 251958 Page 47 956142849 C Figure 7 8 Circuit Diagram for Migmatic 380 DX 400 VAC...

Page 54: ...0 V 400 1 6 956142862 Rating Plate MigMatic 300 V 230 400 1 6 956142858 Rating Plate MigMatic 380 V 400 1 6 956142860 Rating Plate MigMatic 380 V 230 400 1 7 000207291 Label Primary Power Connections...

Page 55: ...56029242 Nameplate Front Lower MigMatic 300 300DX 1 19 356029243 Nameplate Front Lower MigMatic 380 380DX 1 20 056067267 Switch Power 1 1 21 356029235 Nameplate Front Upper MigMatic 300 1 21 356029237...

Page 56: ...el Reel w Ring 1 1 7 156015027 Spool Nut Plastic 1 1 8 156023170 Spacer Spool Holder D 50 H 18 1 1 9 156023171 Spacer Spool Holder D 50 H 30 1 1 10 F1 056092097 Fuse 2A 250V 5 x 20 T 1 1 11 356029240...

Page 57: ...1 36 Z 057098023 Choke MigMatic 380 D 8 50 L 305 37 CB1 056067283 Circuit Breaker 5A 1 1 38 056092098 Holder Fuse 1 1 39 PC2 057084167 Circuit Board F O D 1 1 40 FM1 057035021 Fan 230VAC 1 1 41 GSV 05...

Page 58: ...el Reel w Ring 1 1 7 156015027 Spool Nut Plastic 1 1 8 156023170 Spacer Spool Holder D 50 H 18 1 1 9 156023171 Spacer Spool Holder D 50 H 30 1 1 10 F1 056092097 Fuse 2A 250V 5 x 20 T 1 1 11 356029240...

Page 59: ...1 1 36 Z 057098023 Choke MigMatic 380 D 8 50 L 305 1 1 37 CB1 056067283 Circuit Breaker 5A 1 1 38 056092098 Holder Fuse 1 1 39 PC2 057084167 Circuit Board F O D 1 1 40 FM1 057035021 Fan 230VAC 1 1 41...

Page 60: ...1 6 956142861 Rating Plate MigMatic 300DX V 230 400 1 6 956142859 Rating Plate MigMatic 380DX V 400 1 6 956142863 Rating Plate MigMatic 380DX V 230 400 1 7 000207291 Label Primary Power Connections 1...

Page 61: ...029242 Nameplate Front Lower MigMatic 300 300DX 1 19 356029243 Nameplate Front Lower MigMatic 380 380DX 1 20 056067267 Switch Power 1 1 21 356029236 Nameplate Front Upper MigMatic 300DX 1 21 356029238...

Page 62: ...w Ring 1 1 7 156015027 Spool Nut Plastic 1 1 8 156023170 Spacer Spool Holder D 50 H 18 1 1 9 156023171 Spacer Spool Holder D 50 H 30 1 1 10 F1 056092097 Fuse 2A 250V 5 x 20 T 1 1 11 000207076 Knob Poi...

Page 63: ...mer 400V 60 x 70 x 150 AL 1 1 38 Z 057098023 Choke MigMatic 380 D 8 50 L 305 39 PC3 057084169 Circuit Board Burnback Time Slope Adjustment 1 1 40 056092098 Holder Fuse 1 1 41 PC1 057084170 Circuit Boa...

Page 64: ...2 Handwheel Reel w Ring 1 1 7 156015027 Spool Nut Plastic 1 1 8 156023170 Spacer Spool Holder D 50 H 18 1 1 9 156023171 Spacer Spool Holder D 50 H 30 1 1 10 F1 056092097 Fuse 2A 250V 5 x 20 T 1 1 11 0...

Page 65: ...own 1 1 37 T1 058021158 Transformer 400V 50 x 100 x 150 AL 1 1 38 Z 057098023 Choke MigMatic 380 D 8 50 L 305 1 39 PC3 057084169 Circuit Board Burnback Time Slope Adjustment 1 1 40 056092098 Holder Fu...

Page 66: ...D x 0 437 OD x 0 15T STL PLN 3 5 173620 Bushing MTG Motor 3 6 221912 Guide Wire Inlet Nylon 023 052 1 7 010224 Pin Spring CS 187 x 1 000 1 8 225718 Fastener Pinned 1 9 196896 Cup Spring 1 10 196897 Sp...

Page 67: ...3 Screw M8 x 35 1 24 156018024 Nut M8 1 25 156009080 Washer Lock 1 26 156090008 Washer Flat 1 27 656005031 Insulator Plate 1 28 756084028 Spacer MTG Motor 1 29 756033039 Bushing Snap in D 22 9 1 30 V5...

Page 68: ...3 7 656005027 Insulator Motor 1 8 238728 Lever MTG Pressure Gear 1 9 238726 Housing Adapter Drive Motor 1 10 221654 Washer Shldr Insulating 2 11 156019200 Screw M6 x 35 2 12 173618 Carrier Drive Gear...

Page 69: ...er Gear 4 27 151828 Pin Cotter Hair 042 x 750 2 28 079634 Pin Hinge 1 29 156019804 Screw 5 16 18 x 1 Alloy Steel Socket Head 1 30 156009145 Washer Flat 1 31 221912 Guide Wire Inlet Nylon 023 052 1 32...

Page 70: ...72 000 U Grooved 056 192 1 2 mm 0 045 in 0 045 in 079 599 053 701 U Grooved 056 193 1 0 mm 0 035 in 0 035 in 079 606 132 958 V Knurled 056 192 1 2 mm 0 045 in 0 045 in 079 607 132 957 V Knurled 056 19...

Page 71: ...or for a minimum of one year whichever is greater Induction Heating Power Sources Coolers and Electronic Controls Recorders Motor Driven Guns w exception of Spoolmate Spoolguns Positioners and Contro...

Page 72: ...ry Zip Postal Code Please complete and retain with your personal records Owner s Record Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Suppl...

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