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- Operator's Manual
Jasic JM-250S MIG Series Operator's Manual
Summary of JM-250S MIG Series
Page 1
Wilkinsonstar.Com mig series mig/mag/mma separate wire feed welding machine order code ! Jm-250s (mig 250s) operator manual.
Page 2: Your New Product
Your new product thank you for selecting this jasic technology, wilkinson star product. This product manual has been designed to ensure that you get the most from your new product. Please ensure that you are fully conversant with the information provided paying particular attention to the safety pre...
Page 3: Safety Precautions
Safety precautions 1 these general safety norms cover both arc welding machines and plasma cutting machines unless otherwise noted. The equipment must only be used for the purpose it was designed for. Using it in any other way could result in damage or injury and in breach of the safety rules. Only ...
Page 4
Do not weld on coated metals, unless the coating is removed from the weld area, the area is well ventilated, and while wearing an air-supplied respirator. The coatings on many metals can give o ff toxic fumes if welded. Prevention against burns and radiation arc rays from the welding process produce ...
Page 5
Rf declaration equipment that complies with directive 2004/108/ec concerning electromagnetic compatibility (emc) and the technical requirements of en60974-10 is designed for use in industrial buildings and not those for domestic use where electricity is provided via the low voltage public distributi...
Page 6: Product Overview
Product overview 2 the jm-250s is a portable inverter mig/mag/mma machine with the following features. Advanced igbt inverter technology high inverter frequency design greatly reduces the size and weight of the welder. Reduction in magnetic and resistance loss enhances the welding e ffi ciency and ene...
Page 7: Technical Data
Technical data 3 product design may vary due to customer requirements. 6 jm-250s jm-250s rated input voltage (v) 3-phase 400v ac±15%, 50/60hz rated input current (a) 12.1 rated power supply capacity (kva) 8.4 output current range (mma) 10~220a welding current range (a) 35~250 welding voltage range (...
Page 8: Controls
Controls 4 front view 1. Spot welding/continuous welding switch 2. Mma/mig switch 3. Voltmeter 4. Over current led 5. Power led 6. Overheating led 7. Ammeter 8. Current control knob in mma 9. Inductance control knob 10. “ － ” output terminal 11. Connector for the wire feeder 12. “ ＋ ” output termina...
Page 9
Rear view 13 power switch 14 socket for the heater 15 input power cord gland 16 ground terminal wire feed control 1. Welding current control knob 2. Manual wire feeding switch 3. Welding voltage control knob 4. 2t / 4t selector switch 8 !.
Page 10: Installation
Installation 5 unpacking check the packaging for any signs of damage. Carefully remove the machine and retain the packaging until the installation is complete. Location the machine should be located in a suitable position and environment. Care should be taken to avoid moisture, dust, steam, oil or c...
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Insert the welding torch into the “ ” output socket on the front panel of the wire feeder, and tighten it. Manually thread the welding wire into the torch body. Insert the quick plug of the interconnection cable set into the “+” output terminal of the welding machine, and tighten it clockwise. Conne...
Page 12: Operation
Operation before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the area. Mma after connecting the welding leads as detailed you will need to switch on the machine. The power led will be ...
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E ff ect and quickens the cooling. As a consequence, it is not good for weld bead shaping. In the event that the speed is too slow, the workpiece will be burned through, and a good weld bead will be unavailable. In practical operation, the welding speed should not exceed 50cm/min. 3) wire stick-out t...
Page 14
Maintenance and troubleshooting 6 the following operation requires su ffi cient professional knowledge on electric aspects and comprehensive safety knowledge. Make sure the input cable of the machine is disconnected from the electricity supply and wait for 5 minutes before removing the machine covers....
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14 malfunction phenomena solution the protection led is on. 1. ! Overheating protection 1) ! Check the welding current and working time. Operate according to the data shown in the operator’s manual. 2) ! Check the fan’s running status when welding. If the fan does not work, check if there is a power...
Page 16: Electrical Schematic
Electrical schematic 7 15.
Page 17: Parts List
Parts list 8 16.
Page 18
17 no. Part no description no. Part no description 1 10007258 rectifier 15 10002022 reactor 2 10007258 igbt 16 10016437 diverter 3 10044601 rectifier plate 17 10044604 fender apron 4 10002401 thermal switch 18 10000920 output absorbing board 5 10044603 inverter board 19 10006075 main transformer 6 1...
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Wire feed unit 18 no. Part no description no. Part no description 1 10004893 interconnection clamp 11 10004921 knob 2 10044629 solenoid valve 12 10044628 2t/4t switch 3 10044632 socket 13 10015217 control panel 4 10021855 output terminal 14 10044630 10044640 potentiometer 5 10044600 wire feeding pcb...
Page 20: Order Code
Jm mig series mig/mag/mma welding machine order code ! Jm-250s (mig 250s) © wilkinson star limited issue 1 january 2014 product is subject to change without notice xix.