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Safety Caution 

  

 

Electric shock——may lead to death   !!

 

• Set the earth fitting according to applying standard. 
• It is forbidden to touch the electric parts and electrode when the skin is naked, wearing wet 

gloves or clothes. 

• Make sure you are insulated from the ground and the workshop. 
• Make sure you are in safe position. 

Gas———may be harmful to health!

 

Arc radiation——Harmful to your eye and burn your skin.

 

• Use suitable helmet and light filter, wear protective garment to protect eye and body. 
• Use suitable helmet or curtain to protect looker-on. 

Fire  

 Welding spark may cause fire, make sure the welding area is free from explosives and 
inflammable materials.  

Malfunction——When trouble, count on the professionals

 

• If trouble in installation and operation, please follow this manual instruction to check up. 
• If fail to fully understand the manual, or fail to solve the problem with the instruction, you 

should contact us. 

 

 

Summary of Contents for INTIG 250

Page 1: ... sales W INSTR P ENGIN FLOOR W N EXPRE 0 066 542272 warpp MMA WELDIN INT RUCT NEERS WESTER ESS HIGH 73 74 F p co in W A ARC T NG MAC TIG 250 ION M PVT L RN EDGE HWAY B FAX 91 Website w TIG CHINE 0 MANU LTD E II NEAR BORIVAL 22 2854 www w UAL R METRO LI E 42275 arpp co O MALL in ...

Page 2: ...ation Harmful to your eye and burn your skin Use suitable helmet and light filter wear protective garment to protect eye and body Use suitable helmet or curtain to protect looker on Fire Welding spark may cause fire make sure the welding area is free from explosives and inflammable materials Malfunction When trouble count on the professionals If trouble in installation and operation please follow ...

Page 3: ...ncreases The development of inverter welding equipment is considered to be a revolution for welding industry Welding power source can offer stronger more concentrated and more stable arc When stick and work piece get short its response will be quicker It means that it is easier to design into welding machine with different dynamic characteristics and it even can be adjusted for specialty to make a...

Page 4: ... input current A 14 4 No load volt V 54 Output current volt A 20 250 Rated working volt V 20 Force adjustment A 0 100 Duty cycle 60 No load loss W 60 Arcing way HF Efficiency 85 Power factor 0 93 Insulation grade F Housing protection grade FP21 weight kg 19 Dimensions mm 480 X 204 X 303 ...

Page 5: ...e earth device 4 Correctly connect the arc torch or holder according to the sketch When use MMA welding Make sure the cable holder and fastening plug have been connected with the ground Put the fastening plug into the fastening socket at the polarity and fasten it clockwise 5 Put the fastening plug of the cable to fastening socket of polarity at the front panel fasten it clockwise and the earth cl...

Page 6: ...IN TIG 250 ...

Page 7: ...e seconds in order to protect welding spot before cooled down So torch must be kept in welding place some time after arc has been extinguished 4 Set suitable welding current and make sure welding current is adequate to thickness of work piece and process demand 5 It is 2 4 mm from welding tungsten electrode to work piece press control knob of torch burn and strike arc sound of HF arc striking will...

Page 8: ...ser should make sure the working area is adequately ventilated It is important for the performance and the long life of the machine 2 Do not over Load The operator should remember long life duty cycle of the machine and has to be operated within the permissible limits Duty cycle Keep welding current is not exceed max duty cycle current Over load current will damage the machine 3 No over voltage Po...

Page 9: ...as circuit is not air tight or gas is not pure it can lower welding quality 5 If air is flowing powerfully in welding environment that can lower welding quality B Arc striking difficult and easy to pause 1 Make sure quality of tungsten electrode is high 2 Grind end of the tungsten electrode to taper If tungsten electrode is not grinded that will be difficult to strike arc and cause unstable arc C ...

Page 10: ...ctors are connected tightly especially insert connector and components If scale and loose are found please give a good polish to them then connect them again tightly 4 Avoid water and steam enter into inter machine if them enter into machine please dry inter machine then check insulation of machine 5 If welding machine is not operated for long time it must be put into packing box and store in dry ...

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