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Summary of Contents for LOTOS MIG140
- Page 1 LOTOS MIG140 MIG Welder...
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Page 2: Table Of Contents
CONTENT 1. Safety………………………………………..…………….……………….…..…..... 2. General Description……..……...……………………..………….…….…...………..3. Circuit Diagram…...…...……..……………….………….……………….…..….. 4. Main Parameter...…….……….…..………….…………………………..…..…….. 5. Panel Structure.…………….……………….……..……….…………………………….. 6. Installation & Operation…….……………….……..……….………………………..…... 7. Caution..………………..…..….....……………………….……….. … 8. Maintenance....…………………………….…..…………………...………….. 13 9. Troubleshooting….……………………….….………………………………….….…….. Hereby we state that we provide one year of guarantee for this welding machine since the date of purchase. -
Page 3: Safety
1. SAFETY Welding is dangerous, and may cause damage to you and others, so take good protection when welding. For details, please refer to the operator safety guidelines in conformity with the accident prevention requirements of the manufacturer. Professional training is needed before operating the machine. - Page 4 Magnetic fields affect cardiac pacemaker. · Pacemaker users should be away from the welding spot before medical consultation. Moving parts may lead to personal injury. ·Keep yourself away from moving parts such as fan. ·All doors, panels, covers and other protective devices should be closed and in place.
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Page 5: General Description
2. GENERAL DESCRIPTION ● Gas shielded arc welding, MMA welding and Self Shielded arc welding are available. ● IGBT technology and unique control enhance the reliability of the welding machine. ● High duty cycle, long time welding is available. ● Closed loop feedback control, constant voltage output, workable under network voltage fluctuation within ±15%. -
Page 6: Circuit Diagram
3. CIRCUIT DIAGRAM INSTRUCTION MANUAL·MIG 140... -
Page 7: Main Parameter
4. MAIN PARAMETER TYPE MIG140 Input power voltage (V) Single-phase AC240V±15%，50/60Hz Rated input current (A) Rated power capacity (KVA) Recommended fuse capacity (A) Current adjustment range (A) 10～140 (MMA welding) Current adjustment range (A) 25～140 (Gas shielded arc welding) Voltage adjustment range (V) 11～25... -
Page 8: Panel Structure
5. Panel Structure INSTRUCTION MANUAL·MIG 140... -
Page 9: Installation & Operation
6. INSTLLATION & OPERATION Note: ·Please install the machine strictly according to the following steps. ·Electric connection operation should be after turning off the power supply switch of the switch box. ·The protection class of this machine is IP21S, so avoid using it in rain. 6.1 Connection of input cable (1) A primary power supply cable is available for this welding machine. - Page 10 6.2.3 Operation (1) Turn the power switch on the back panel to “ON” position after the installation according to the above steps, the machine is started, the power LED turns on, and the fan works. (2) Turn the conversion switch on the front panel to “MMA” position, and adjust the welding current adjustment knob according to the workpiece thickness to get the desired welding performance.
- Page 11 6.3.3 Operation (1) After installation according to the above steps, turn the power switch on the back panel to “ON” position, then the power LED turns on, and the fan works. Open the gas cylinder valve, and adjust the flow meter to the desired position. (2) Turn the conversion switch on the front panel to “Gas shielded arc welding”...
- Page 12 6.4.1 Installation of self shielded arc welding (1) Plug the welding torch into the output socket “ ” on the front panel, and tighten it. Thread the wire into the torch manually. (2) Insert the earth cable plug into the positive socket “1” on the front panel, and tighten it clockwise.
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Page 13: Caution
7. CAUTION 7.1 Working Environment 错误! 未找到引用源。 Welding should be carried out in a relatively dry environment with its humidity of 90% or less. 错误! 未找到引用源。 The temperature of the working environment should be within -10°C to 40°C. 错误! 未找到引用源。 Avoid welding in the open air unless sheltered from sunlight and rain, and never let rain or water infilter the machine. -
Page 14: Maintenance
8. MAINTENANCE WARNING: The following operation requires sufficient professional knowledge on electric aspect and comprehensive security knowledge. Operators should be holders of valid qualification certificates which can prove their skills and knowledge. Make sure the input cable of the machine is cut off from the electricity before uncovering the welding machine. -
Page 15: Troubleshooting
9. TROUBLESHOOTING WARNING: The following operation requires sufficient professional knowledge on electric aspect and comprehensive security knowledge. Operators should holders valid qualification certificates which can prove their skills and knowledge. Make sure the input cable of the machine is cut off from the electricity before uncovering the welding machine. - Page 16 6. Press the welding torch switch, welding 1. Check if the voltage feedback cable inside the machine is ok. carried out, but the 2. The control PCB PK-63-A2 inside the machine fails. voltage can not be adjusted. 1. Check the pressure of the wire feeder pole is appropriate. 2.
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