Unimig W253B Instruction Manual Download | Manualshive

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Back panel instruction

15. Burnback time control knob
16. Wire buckle
17. Nameplate
18. Power switch
19. Socket of wire feeder
20. “+” output terminal “2”
21. Fan

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Page 8

Instruction Manual for MIG-TIG-MMA-500SWF (L591)

16/12/2014

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Summary of Contents for W253B

Page 1: ...INSTRUCTION MANUAL MIG TIG MMA 500SWF INVERTER Multi Function Welder 415V 50 500A W253B Page 1 Instruction Manual for MIG TIG MMA 500SWF L591 16 12 2014 ...

Page 2: ...are that these machines are produced based on relative Chinese and international standards and they conform to the international safety standard IEC60974 1 The design and technology adopted in these machines are under patent protection Please read and understand this manual carefully before the installation and operation of these machines 1 The contents of this manual may be revised without prior ...

Page 3: ...uding welding gloves whilst the welding operation is performed Measures should be taken to protect people in or near the surrounding working area from all hazards associated with welding Fire hazard The welding sparks may cause fire therfore remove flammable material away from the working area Have a fire extinguisher nearby and have a trained person ready to use it Noise possibly harmful to peopl...

Page 4: ...Back Controls Adjustable Crater Current Control Gas Purge Inch Wire 2T 4T Trigger Function Separate Wire Feeder with geared 4 roller drive LED Volt AMP Meter Digital Display Scratch start DC TIG welding 10m Interconnecting Cables Trolley with pull out tool storageMIG250 350 500SWF MACHINE FEATURES Page 4 Instruction Manual for MIG TIG MMA 500SWF L591 16 12 2014 ...

Page 5: ...CIRCUIT DIAGRAM Page 5 Instruction Manual for MIG TIG MMA 500SWF L591 16 12 2014 ...

Page 6: ...rrous 0 6 1 2mm Ferrous 0 9 1 2mm Aluminium 0 9 1 2mm Aluminium 0 9 1 2mm Aluminium 0 8 1 0mm Stainless Steel 0 8 1 2mm Stainless Steel 0 8 1 0mm Stainless Steel 0 9 1 2mm Flux cored 0 9 1 2mm Flux cored 0 9 1 2mm Flux cored 1275 x 880 x 475mm 1275 x 880 x 475mm 1275 x 880 x 475mm 72 Kgs minus connecting cable 74 Kgs minus connecting cable 76 Kgs minus connecting cable torch and earth cable torch ...

Page 7: ...Ammeter 6 Power LED 7 Overheating LED 8 Over current LED 9 Function switch of MIG welding and arc welding 10 Voltmeter 11 Inductance characteristic adjustment 12 Arc welding current adjustment 13 output terminal 1 14 output terminal 3 4 2 1 5 6 7 8 9 10 11 12 13 14 Page 7 Instruction Manual for MIG TIG MMA 500SWF L591 16 12 2014 ...

Page 8: ...ction 15 Burnback time control knob 16 Wire buckle 17 Nameplate 18 Power switch 19 Socket of wire feeder 20 output terminal 2 21 Fan 16 17 18 15 20 21 19 Page 8 Instruction Manual for MIG TIG MMA 500SWF L591 16 12 2014 ...

Page 9: ...to avoid oxidation MMA welding installation A Every welding machine matches two plugs Insert the plug into the socket at the bottom of the front panel and tighten it ensure contact good Otherwise if the working time is long and the working current is big it will burn the pin and socket Please treat it seriously B Insert the welding clamp cable into the socket at the bottom of the front panel workp...

Page 10: ...connection is needed for safety purpose 2 Insert the quick plug on the wire feeder into the socket on the front panel of the welding machine and tighten it clockwise 3 Insert the cable plug with work clamp into the socket on the front panel of the welding machine and tighten it clockwise 4 Install the welding torch and Install the wire spool on the spindle shaft ensuring that the groove size in th...

Page 11: ...ent control knob and voltage control knob on the wire feeder 4 Select 2T or 4T operation mode In 2T mode arc is ignited by pushing the gun trigger and arc stops by releasing the gun trigger In 4T mode welding can be continued when releasing the gun trigger after arc is ignited and at this time welding instructions should be set by adjusting the current control knob and voltage control knob on the ...

Page 12: ...irement Set the welding current and welding voltage according to the below tables 1 Parameters for I type butt welding Plate thickness t mm Gap g mm Electrode mm Welding current A Welding voltage V Welding speed cm min Gas flow L min Layer 1 2 0 1 0 70 80 17 18 45 55 10 1 1 6 0 1 0 80 100 18 19 45 55 10 15 1 2 0 0 0 5 1 0 100 110 19 20 40 55 10 15 1 2 3 0 5 1 0 1 0 or 1 2 110 130 19 20 50 55 10 15...

Page 13: ... 21 45 55 10 20 4 5 4 0 4 5 1 2 190 230 22 24 45 55 10 20 3 Parameters for fillet welding in the vertical position Plate thickness t mm Corn size I mm Electrode mm Welding current A Welding voltage V Welding speed cm min Gas flow L min 1 2 2 5 3 0 1 0 70 100 18 19 50 60 10 15 1 6 2 5 3 0 1 0 1 2 90 120 18 20 50 60 10 15 2 0 3 0 3 5 1 0 1 2 100 130 19 20 50 60 10 20 2 3 3 0 3 5 1 0 1 2 120 140 19 2...

Page 14: ...as 10 15L min Welding condition Junction type Plate thickness mm Electrode mm Gap g mm Current A Voltage V Welding speed cm min 1 0 1 0 0 50 55 13 15 40 55 1 2 1 0 0 60 70 14 16 30 50 1 6 1 0 0 100 110 16 17 40 60 2 3 1 0 or 1 2 0 1 0 110 120 17 18 30 40 3 2 1 0 or 1 2 1 0 1 5 120 140 17 19 25 30 I type 4 0 1 2 1 5 2 0 150 170 18 21 25 40 We are still constantly improving this welder therefore som...

Page 15: ... performance and service life of this equipment 2 2 Thermal Overload protection Should the machine be used to an excessive level or in high temperature environment poorly ventilated area or if the fan malfunctions the Thermal Over load Switch will be activated and the machine will cease to operate Under this circumstance leave the machine switched on to keep the built in fan working to bring down ...

Page 16: ...ot be supplied until Welding Guns of Australia Pty Ltd has inspected product returned for warranty and agree s to replace product Product will only be replaced if repair is impossible If in doubt please ring WARNING Exposure to extremely dusty damp or corrosive air is damaging to the welding machine In order to prevent any possible failure or fault of this welding equipment clean the dust at regul...

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