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CT312D, CT416D, CT520D

DC TIG/MMA WELDER with PLASMA CUTTER

OPERATION MANUAL

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Summary of Contents for CT312D

Page 1: ...CT312D CT416D CT520D DC TIG MMA WELDER with PLASMA CUTTER OPERATION MANUAL 1...

Page 2: ...rstand this instruction manual fully before installing and operating this machine GUARANTEE This Inverter Welding and Cutting machines is manufactured in full compliance with IEC974 international safe...

Page 3: ...ofessional electrician Connect the welder to power supply by copper wire specified by a professional electrician and make sure the insulation sheathing is intact The operator should wear dry welding g...

Page 4: ...sher ready nearby and a trained personal ready to use it Avoid injuries by the moving parts Keep fingers hair and clothes etc away from the moving parts such as cooling fans Do not hold the welding to...

Page 5: ...hus greatly reducing the weight and size of the main components transistors and at the same time raising the efficiency by 30 For MMA or TIG the electric current is very stable and constant The weldin...

Page 6: ...CUT TIG MMA CUT Input current A 10 2 15 6 19 15 22 27 3 20 29 35 Rated output current A 120 110 30 160 150 40 200 180 50 Current range A 10 120 10 110 15 30 15 160 15 150 20 40 15 180 15 160 20 50 No...

Page 7: ...7...

Page 8: ...g clockwise Make sure that the earth ground clamp holds the work piece securely For MMAARC 1 Connect the fast connector to the terminal of the electrode holder Plug securely the fast connector into th...

Page 9: ...Assembly of the Torch Consumables for CUT Torch Head and TIG Torch Head is shown in the following Fig Assembly of Consumables for Cut Torch Head The torch handle is made of fire and heat retarded cera...

Page 10: ...ULATOR Post gas will protect work piece by maintaining compressed air from torch to cool the welding point The duration of post gas can be adjusted by rotating the knob of POST GAS REGULATOR For ARC M...

Page 11: ...from the work piece press down the control button of the torch and there will be HF arc generated between the electrode and the work piece Start welding after the arc disappears 3 2 MMAARC Set the ope...

Page 12: ...f obstructions Good ventilation is critical for the proper performance and service life of this machine 2 O C Over load When over load happens a sudden halt will occur in cutting or welding and the O...

Page 13: ...the inner gas electric connections Tighten any found loose connections If connections are oxidized disconnect and clean them with sand paper and then re connect them 3 Keep the machine away from wate...

Page 14: ...ltage protection is triggered 2 Frequency transformer broken 3 Voltage of power supply is too low and low voltage protection is triggered 4 Wire from the switch to the bottom board loose 5 Relay on th...

Page 15: ...still on turn off the machine and unplug HF arc striking power plug and restart the machine 7 Output current unstable or not controlled by potentiometer 1 The 1k potentiometer damaged 2 Loose connecti...

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