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THANKS FOR PURCHASING OUR PRODUCT

EWELDM253

Inverter MIG/MMA Semi-auto ARC Welding Machine

Operation Manual

(Read the manual carefully before installation ,operation and maintenance)

Advanced Product

Summary of Contents for EWELDM253

Page 1: ...THANKS FOR PURCHASING OUR PRODUCT EWELDM253 Inverter MIG MMA Semi auto ARC Welding Machine Operation Manual Read the manual carefully before installation operation and maintenance Advanced Product ...

Page 2: ...NE WHEN REPAIRING OR ADJUSTING Inspect before every use Only use identical replacement part 10 FOLLOW ALL MANUFACTURER S RULES on operating switches and making adjustments 11 ALWAYS WEAR PROTECTIVE CLOTHING when welding This includes long sleeved shirt leather sleeves protective apron without pockets long protective pants and boots When handing hot materials wear asbestos gloves 12 ALWAYS WEAR A W...

Page 3: ...d electricity save The MIG MMA multi function welding machine model EWELDM253 is advanced welding machine and it can be compared with foreign products This operation manual can help you for the machine installation operation and maintenance correctly and safely Pay attention to the points as following Installation of the power cord Be grounded correctly Don t put sundries under the welder Otherwis...

Page 4: ...M253 Model improvement max welding current MIG MMA multi Arc welding machine b Composing of the product This product is composed by three parts as following Power source EWELDM253 welding gun 1 2 Suitable range of the EWELDM253 Suitable material low carbon steel stainless steel Thickness of the material low carbon steel and stainless more than 0 5mm Suitable position all positions φ Suitable wire ...

Page 5: ...t 10 250A burnback time 0 01 0 5S burnback voltage 10 0 25 0V Wire Alloy Material Synergic MIG or BASIC MIG all crater mode 2T no Start Current no crater current or 4T no Start Current no S4 special 4 step gas type CO2 or Ar PULSE MIG Welding Current 20 250A Welding Voltage 5 0 5 0 Rated Output Current 250A Rated Duty Cycle 60 Start Initial Current 10 250A Start Initial Voltage 5 0 5 0 crater fill...

Page 6: ...ing continuously by the control knob on the front panel of EWELDM253 4 MODEL EWELDM253 INPUT Voltage 1xAC220V 50Hz 60Hz DOUBLE PULSE MIG PULSE peak Current 10 250A PULSE peak Voltage 5 0 5 0 Welding base Current 10 350A Welding base Voltage 5 0 5 0 mixed frequency 0 1 9 9Hz mixed ratio 10 90 Start Initial Current 10 250A Start Initial Voltage 5 0 5 0 crater fill voltage 5 0 5 0 crater fill current...

Page 7: ...on to settle two problems 1 Control the diameter of the wire ball at the end of wire 2 Prevent the wire into the pool after the Arc stop 3 7 Over current function of the wire feed motor In order to protect the motor the wire feed motor may stop rolling automatically if the current reaches 10A When it is lower than 10A the motor begins rolling automatically 5 4 steps 2 steps switch of gun welding c...

Page 8: ...ay time S c display width d display frequency Hz 4 1 3 Power indicating If the indicating light is on the control circuit connects the power already 4 1 4 pre flow Start current inductance Peak arc force pulse width pulse frequency welding current End current Burnback time voltage post flow time Process Selector a MMA Start current arcforce Welding current b CO2 pre flow Start current voltage indu...

Page 9: ...cle Overcurrent Warning When the duty cycle has been exceeded or an overcurrent condition has occurred the L E D will light Allow the unit to cool while running until the light goes off or for 10 minutes before resetting the welder If condition persists check for loose wires or voltage supply problems 4 1 11 Start current Welding current Peak arc force End current Adjustment Knob 4 1 12 volts freq...

Page 10: ...welding make and welding dress etc 6 Explanation of installation 6 1 MIG MAG welding put the switch 7 MMA CO2 PMIG DPMIG SWITCH into PMIG or DPMIG or CO2 Check the products according to the packing list when open the package Grounded protection Attached the diagram 6 The power source is 220Vac 50 60Hz The yellow green double cable is grounding cable Be sure to connect the yellow green double cable...

Page 11: ...lls will not slip when the wire comes into contact with a hard surface a block of wood and the wire will curl up on end Re member to keep wire away from metal that is attached to the work clamp to pre vent the wire from accidentally arcing TO LOAD WIRE SPOOL 1 Loosen and remove the hand nut by turning it counter clockwise 2 Align the locating pin with the hole on the wire spool if present 3 Slide ...

Page 12: ... if he chooses by turning the voltage up or down after adjusting the wire feed speed If the wire speed is readjusted after manual adjustment to voltage is made the unit defaults to the synergic mode again and voltage is once again adjusted automatically The welder may be used in full Manual mode with independent control of the wire feed speed by simply selecting MIG on the wire diameter selector S...

Page 13: ...ired arc qualities and adjust the arc qualities whether a stiff pen etrating arc with a narrow bead profile and slightly more spatter or a wider more fluid puddle that easily wets in with low amounts of spatter Overhead welding usually requires a more stiff penetrating arc Flat welding will accept a wider more fluid puddle 6 2 Stick welding put the switch 7 MMA CO2 PMIG DPMIG SWITCH into Stick Sel...

Page 14: ...r proof We suggest the gas flow to be L more than 10D D diameter of wire If the selection is not proper it also affects the welding quality When using the CO2 gas please confirm if the heating power works properly or not Straight the hose of welding gun as much as possible The bending radius can not be less than 160mm Otherwise it affects the wire feeder 7 1 working process press the switch of the...

Page 15: ...axed Check the connection between the grounding cable and plug if they are relaxed If relaxed the serious heating will damage the quick connectors Check the fan if it works regularly charge it if it is trouble Check the insulation and breakage of the input power cord Change it in time to ensure the safety check if there is any noisy for the wire feed motor Check the abrasion of the wire feed hose ...

Page 16: ...get rid of the bar 0 5m around 2 Reduce the temperature 3 Reduce the use loading 4 Change the thermostat JUC OF 5 Check and change the control plate 4 Wire feeder not w ork welding current not adjustable 1 the fuse broken 2 Potentiometer line fall down or Potentiometer broken 3 the wire blocked 4 the drive circuit broken 5 other reasons 1 Change the fuse 5A 250V on left panel open wire feeder case...

Page 17: ...mperature range operating 0 40 transportation 25 55 B The air humidity 40 50 RH 20 90 RH C The dust acid and causticity gas in the environment must be lower than the normal level The welding process produced not included D Rain proof when it is used outside 12 Quality Guaranteed If you have any problem of the quality please contact us in time We generally have one year quality guarantee on conditi...

Page 18: ...ct EWELDM253 Packing No Test results of this welder fulfils_____________ _________technical requirements and its release from the works is granted Inspector_________ Date___________ EWELDM253 Welding machine 1 adapter connector cable Ground pliers 1 adapter connector cable holder 1 welding torch 1 Operation instructions 1 Certificate of quality 1 16 ...

Page 19: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder Elektrode...

Page 20: ...gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não opere co...

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