VEVOR MIG-130 MIG TIG MMA Welder 200A Welding Machine 6 in 1 Combo Aluminum Welding Machine User Manual

VEVOR MIG-130 MIG TIG MMA Welder 200A Welding Machine 6 in 1 Combo

Aluminum Welding Machine

Product Information

Model

• MIG-130/160/200/200D3/250/270

Power

• AC110-220V/AC220V

Series

• MIG All-in-one series
• MIG Single voltage series
• MIG Digital series
• MIG Double voltage series

Product Usage Instructions

Safety Warning!
In the arc welding and cutting process, there is a risk of injury to you and others. Take necessary precautions during welding or cutting. Refer to the operator’s safety guide for detailed instructions.

• The flue gas produced during welding may be harmful to health.
• Arc radiation can damage your eyes and burn your skin.
• Fire safety measures should be followed as per the manual.
• The equipment needs to be equipped with a leakage protection switch.

Description of this Machine
The welding machine uses advanced inverter technology and is suitable for gas welding (solid wire) and gasless welding (Flux-cored wire).

CAUTION: The machine is mainly used in the industry and may produce radio waves. Workers should take necessary precautions for protection.

MIG130/160 One Body Machine Series Parameter Table
Mode: MIG-130

• Input Voltage: 1 Phase 110V
• Frequency: 50/60Hz
• Rated Input Current: 19A
• Output Current: 20-30A
• No-load Voltage: 56V
• Duty Cycle: 60%
• Power Factor: 0.93
• Efficiency: 85%
• Wire Feeder Speed: 2-13m/min
• Wire Diameter: 0.8-1.0mm
• Protection Degree: IP21
• Insulation Class: F
• Suitable Thickness: 0.8-2mm
• Weight: 6.5kg
• Dimension: 460x240x345mm

MIG130/160 Digital Display

• Welding Gun
• Abnormal Indicator Light
• Current/Wire Feeding Speed Adjustment
• Voltage Regulation
• Negative Polarity Connector
• Positive Polarity Connector
• Cooling Vent
• Power Switch
• Power Cord
• Ground Wire
• High-Speed Fan

MIG-160/200D3/250/270 Single Voltage Series Panel Introduction

• Power Indicator Light
• Switch Mode (MMA/LIFT-TIG/MIG)
• MMA/TIG Welding Current Adjustment
• MIG Voltage Adjustment
• MIG Wire Speed Adjustment
• Positive Polarity Connector
• Overheating Alarm
• Welding Current Display
• Welding Wire Inching
• Welding Voltage Display
• Negative Polarity Connector
• MIG Welding Gun
• Polarity Conversion Cable Connector
• Trachea Inlet Connector
• Power Switch
• Power Cord with Plug
• Ground Wire
• Built-in Cooling Fan and Ventilation

Note: When using solid carbon steel welding wire, connect the polarity conversion cable connector to the positive polarity connector and ground wire clamp to the negative polarity connector. When using airless self-protective wire, connect the polarity conversion cable connector to the negative polarity connector and ground wire clamp to the positive polarity connector.

Safety warning

In the arc welding and cutting process, may cause injury to you and others, during the welding or cutting take precautions.
For details, please refer to the operator’s safety guide that meets the manufacturer’s accident prevention requirements.

Get an electric shock
It can result in death

• Install the grounding device in accordance with the applicable standards.
• Do not touch live parts or welding electrodes when the skin is bare, wet gloves or wet clothes are worn.
• Make sure that you are insulated from the ground and the workpiece.
• Confirm that your workstation is in a safe state.

The flue gas
May be harmful to health !

• Keep your head out of the smoke.
• During arc welding, use ventilation or air extraction devices to avoid inhaling welding gas.

Arc radiation
It may damage your eyes and burn your skin!                                

• Use a suitable welding mask and filter, and wear protective clothing to protect your eyes and body.

Arc radiation

• It may damage your eyes and burn your skin!
• Use a suitable welding mask and filter, and wear protective clothing to protect your eyes and body.
• Use a suitable mask or curtain to protect bystanders from injury.

Fire

• Welding sparks may cause fire. Please make sure there is no flammable material near the welding station.

The noise
Excessive noise is harmful to one’s hearing!

• Protect your ears, use ear shields or wear other hearing protection.
• Warn bystanders of the potential damage to their hearing caused by noise.

The fault
 Seek professional help when you encounter difficulties!

• If you encounter difficulties during installation and operation, troubleshoot according to relevant contents of this manual.
• If you do not fully understand after reading this manual or cannot solve the problem by following the instructions in this manual, you should immediately contact your supplier or The service center of Roiling Company got in touch and sought professional help. warning! The equipment needs to be equipped with leakage protection switch !!!

Description of this machine

The welding machine is adopting the most advanced inverter technology, suitable for gas welding (solid wire) and gasless welding (Flux-cored wire). The development of inverter welding equipment profits from the development of the inverter power supply theory and components. Inverter welding power source utilizes high-power component IGBT to transfer 50/60HZ frequency up to 100KHZ, then reduce the voltage and commutate, and output high-power voltage via PWM technology. Because of the great reduce of the main transformer’s weight and volume; the efficiency increases by 30%. The appearance of inverter welding equipment is considered to be a revolution for welding industry. Inside of the machine is equipped with electronic reactor circuit which can accurately control the process of the electric short transition and blending transition and result excellent welding characteristic. Comparing with synergic welding machine and other machine, it has the following advantages: stable wire speed, compact, power saving, no electromagnetic noise. Continuous and stable operation with small current, especially suitable for welding sheet of low- carbon steel, alloyed steel and stainless steel. Automatic voltage pulsation compensation capability, small sparkle, good arcing, uniform welding pool, high duty cycle and so on.
Thanks for purchasing product and hope for your precious advice. We will dedicate to produce the best products and offer the best service.

MIG（130/160）
One body machine series parameter table

230V 15%
Frequency （HZ）| 50/60| 50/60
Rated input current）| 19| 15
Output current（A）| 20-30| 20-160
No-load Voltage (V)| 56| 56
Duty cycle（%）| 60%| 60%
Power factor| 0.93| 0.93
Efficiency 10/5000（%）| 85| 85
Wire Feeder| Inside| Inside
W（imre/msipne）ed| 2-13| 2.5-14
Wire diameter（mm）| 0.8-1.0| 0.8-1.0
Protection Degree| IP21| IP21
Insulation Class| F| F
Suitable thickness (mm）| 0.8-2| 0.8-3
Weigh（t kg） 7/5000| 6.5| 6.5
Dimension (mm)| 460x240x345| 460x240x345

MIG

Menu Function Description

1. The maximum MMA electrode can be ø 2mm
2. Select 0.8mm for MIG airless self-protection wire
3. Select 1.0mm for MIG airless self-protection wire LIFT TIG is simple scratch argon arc welding

Note: Very important!

1. The machine can only use non-air self-protection wire!
2. Connect the plug of the ground cable to the output port of the positive pole when airless welding (wire) is used.
3. Select the function
4. The current/wire feeding speed is adjusted as the output current adjustment knob, if welding during MIG weldingLarger particles or welding pile height, can be appropriately adjusted to increase the voltage knob!
5. If there are air holes on the surface of welded products, it is necessary to turn down the voltage knob to improve it!

MIG-160/200D3/250/270
Single voltage series panel introduction

Note: Very important!

1. Connect the polarity conversion cable connector to the positive polarity connector when solid carbon steel welding wire is usedGround wire clamp negative polarity connector!
2. Connect the polarity conversion cable connector to the negative polarity connection when using the airless self-protective wire Connector, ground wire clamp with positive polarity connected machine

MIG Single voltage series parameters (160/200D3/250/270)

Phase 230V 15%
Frequency（HZ）| 50/60| 50/60| 50/60| 50/60
Rated input current（A）| 22| 28| 29| 30
Output current（A）| 30-160| 30-200| 30-250| 30-270
No-load Voltage (V)| 56| 56| 56| 56
Duty cycle（%）| 60%| 60%| 60%| 60%
Power factor| 0.93| 0.93| 0.93| 0.93
Efficiency 10/5000（%）| 85| 85| 85| 85
Wire Feeder| Inside| Inside| Inside| Inside
W（imre/msipne）ed| 2.5-14| 2.5-14| 2.5-14| 2.5-14
Wire diameter（mm）| 0.8-1.0| 0.8-1.0| 0.8-1.0| 0.8-1.0
Protection Degree| IP21| IP21| IP21| IP21
Insulation Class| F| F| F| F
Suitable thickness (mm）| 0.8-3| 0.8-3| 0.8-3| 0.8-3
Weigh（t kg） 7/5000| 15| 15| 15| 15
Dimension (mm)| 525x305x380| 525x305x380| 525x305x380| 525x305x380

MIG-160/200/250/270

Introduction to Dual Voltage Series Panel

MMA/LIFT-TIG/MIG

MIG – 160 / 200 / 250 / 270

MIG Double voltage series parameters

230V±15%
Input Voltage (V)| 1 Phase
AC110/220V| 1 Phase
AC110/220V| 1 Phase
AC110/220V| 1 Phase
AC110/220V
Frequency (HZ)| 50/60| 50/60| 50/60| 50/60
Rated input current (A) 220V| 20.2| 27.6| 38| 38
Rated input current (A) 110V| 34| 37| 41.1| 43.1
Output current (A) 220V| 40-160| 40-200| 40-250| 40-270
Output current (A) 110V| 30-120| 30-130| 40-140| 40-150
No-load Voltage (V)| 16.5-22.0| 16.5-23.0| 16.5-24.0| 16.5-25.5
(25OC)Duty cycle (%)| 60%| 60%| 60%| 60%
Power factor| 0.93| 0.93| 0.93| 0.93
Efficiency (%)| 85| 85| 85| 85
Wire Feeder| Inside| Inside| Inside| Inside
Wire speed (m/min)| 2.5-15| 2.5-14| 2.5-14| 2.5-14
Wire speed (m/min) 110V| 2.5-10| 3-8| 3-8| 3-8
Wire diameter (mm)| 0.6/08/0.9| 0.8/0.9/1.0| 0.8/0.9/1.0| 0.8/0.9/1.0
Protection Degree| IP21S| IP21S| IP21S| IP21S
Insulation Class| F| F| F| F
Suitable thickness(mm)| 0.8aboe| 0.8aboe| 0.8aboe| 0.8aboe
Weight (kg)| 13.0| 14.0| 14.5| 14.5
Dimension (mm)| 520x300x370| 520x300x370| 520x300x370| 520x300x370

MIG-160/200/250/270

Digital series panel introduction

MIG – 160 / 200 / 250 / 270
MIG Digital series parameter

230V±15%
Input Voltage (V)| 1 Phase
AC110/220V| 1 Phase
AC110/220V| 1 Phase
AC110/220V| 1 Phase
AC110/220V
Frequency (HZ)| 50/60| 50/60| 50/60| 50/60
Rated input current (A) 220V| 20.2| 27.6| 38| 38
Rated input current (A) 110V| 34| 37| 41.1| 43.1
Output current (A) 220V| 40-160| 40-200| 40-250| 40-270
Output current (A) 110V| 30-120| 30-130| 40-140| 40-150
No-load Voltage (V)| 16.5-22.0| 16.5-23.0| 16.5-24.0| 16.5-25.5
(25OC)Duty cycle (%)| 60%| 60%| 60%| 60%
Power factor| 0.93| 0.93| 0.93| 0.93
Efficiency (%)| 85| 85| 85| 85
Wire Feeder| Inside| Inside| Inside| Inside
Wire speed (m/min)| 2.5-15| 2.5-14| 2.5-14| 2.5-14
Wire speed (m/min) 110V| 2.5-10| 3-8| 3-8| 3-8
Wire diameter (mm)| 0.6/08/0.9| 0.8/0.9/1.0| 0.8/0.9/1.0| 0.8/0.9/1.0
Protection Degree| IP21S| IP21S| IP21S| IP21S
Insulation Class| F| F| F| F
Suitable thickness(mm)| 0.8aboe| 0.8aboe| 0.8aboe| 0.8aboe
Weight (kg)| 13.0| 14.0| 14.5| 14.5
Dimension (mm)| 520x300x370| 520x300x370| 520x300x370| 520x300x370

Description for various functions

will light and machine stop working.
Power Indicator| /
Welding Current Display| While arc is struck (welding) displays actual welding current.
MIG Welding Voltage Display MIG| While MIG mode display actual welding voltage. MIG
Switch for mode of mma/lifttig/mig| Three kinds of welding models can be choose when turn to different position.
Welding Wire Inching| It can let welding wire reach contact tips in fast speed.
MMA Welding Current Adjustment MMA| While MMA mode can adjust welding current from small to big
MIG Burnback Function MIG| It can remove small ball after stopping welding
MIG Voltage Adjustment MIG| While MIG mode can adjust voltage from low to high.
MIG Wire Speed Adjustment MIG| steeples adjustment from slow to fast.
Polarity Conversion Cable Connector| When gas welding (solid wire),install this into Positive Polarity Connector
When gasless welding (Flu/x wire),install this into Negative Polarity Connector
Positive Polarity Connector| /
Negative Polarity Connector| /
MIG Welding Torch| Integrated MIG TORCH or Binzel MIG Torch
Power Switch for ON/OFF|
Gas Hose Inlet Connector| When use gas welding (solid welding wire), install gas hose into this connector.
Power Cable with Plug| /
Ground wire|
Ground Nut| /
built-in cooling fan and ventilation| /

Install the configuration

The welding equipment is equipped with power voltage compensation set. When power voltage changes between±15% of rated voltage, it still works normally.
When using long cable, in order to minimize the reduce of voltage, big cable is suggested. If the cable is too long, it will affect the performance of arcing and other system function, so stated length is suggested.

1. Make sure the intake of the machine is not covered or blocked to prevent the malfunction of the cooling system.
2. Use earth cable that the section no less than 6mm2 to connect the housing and earth, the method is from the connection in the back of the machine to the earth set, or make sure the earth end of power switch reaches the earth. Both ways can be used for better security.

Installment ,when use gas welding (solid wire)：

1. Connect the gas bottle with CO2 regulator flow meter and the Input Gas Connector behind the machine via gas hose.
2. Insert the cable connector of earth cable into the socket in the front
3. Set the welding wire spool on the wheel axis, the wheel hole should be matched with the wheel
4. Choose wire slot according to wire
5. Loosen the screw of wire-pressing wheel, put the wire into slot via wire-lead tube, tune the Wire-pressing wheel to fix wire from gliding, but pressure should be suitable in case the wire distorts and affects wire
6. Wire roller should turn clockwise rotation to let out wire, to prevent wire from gliding; wire is usually set to the fixed hole on the wheel To prevent the bent wire from getting stuck, please cut off this part of the wire.
7. The MIG torch has been settled inside of the machine just need put the wire into the torch by

Using the operating

1. Put the power switch to “ON” position, open the valve of CO2 cylinder and adjust the flow.
2. Choose suitable welding contact tips based on wire diameter.
3. Tune the voltage switch, speed switch to the right position based on the thickness of the work piece and mechanics.
4. Press the torch switch to let out the wire to the torch head and begin to work.

Installment ,when use gasless welding (Flux-cored wire)：

• Insert the cable connector of earth cable into the socket in the front panel.
• Set the welding wire spool on the wheel axis, the wheel hole should be matched with the wheel frees.
• Choose wire slot according to wire size.
• Loosen the screw of wire-pressing wheel, put the wire into slot via wire-lead tube, tune the Wire-pressing wheel to fix wire from gliding, but pressure should be suitable in case the wire distorts and affects wire sending.
• Wire roller should turn clockwise rotation to let out wire, to prevent wire from gliding; wire is usually set to the fixed hole on the wheel To prevent the bent wire from getting stuck, please cut off this part of the wire.
• The MIG torch has been settled inside of the machine just need put the wire into the torch by hand.

NOTES OR PREVENTIVE MEASURES

Environment

• The machine can perform in environment where conditions are dry with a dampness lever of max 90%.
• Ambient temperature is between 10 to 40 degrees.
• Avoid welding in sunshine.
• Do not use the machine in environment where condition is polluted with conductive dust on the air or corrosiveness gas.
• Avoid gas welding in the environment of strong.

Safety norms
The welding machine has installed protection circuit of over voltage and current and heat. When voltage and output current and temperature of machine are exceeding the rate standard, welding machine will stop working automatically. Because that will be damage to welding machine, user must pay attention as following.

• The working area is adequately ventilated！

The welding machine is powerful machine, when it is being operated, it generated by high currents, and natural wind will not satisfy machine cool demands. So there is a fan in inter- machine to cool down machine. Make sure the intake is not in block or covered, it is 0.3 meter from welding machine to objects of environment. User should make sure the working area is adequately ventilated. It is important for the performance and the longevity of the machine.

• Do not over load！

The operator should remember to watch the max duty current (Response to the selected duty cycle).
Keep welding current is not exceed max duty cycle current. Over-load current will damage and burn up machine.

• No over voltage！

Power voltage can be found in diagram of main technical data. Automatic compensation circuit of voltage will assure that welding current keep in allowable arrangement. If power voltage is exceeding allowance arrangement limited, it is damaged to components of machine. The operator should understand the situation and take preventive measures.

• There is a grounding screw behind welding machine, there is grounding marker on it Mantle must be grounded reliable with cable which section is over 6 square millimeter I order to prevent from static electricity and  leaking.
• If welding time is exceeded duty cycle limited, welding machine will stop working for protection. Because machine is overheated, temperature control switch is on “ON’’ position and the indicator light is red. In this situation, you don’t have to pull the plug, in order to let the fan cool the machine. When the indicator light is off, and the temperature goes down to the standard range, it can weld again.

QUESTIONS IS BE RUN INTO IN WELDING

Fittings, welding materials, environment factor, supply powers maybe have something to do with welding. User must try to improve welding environment. A. Arcing-striking is difficult and easy to pause:

1. Make sure the earth cable clincher connects the work piece well.
2. Check each connecting point connected or not.

Output current can not reach rated volume:
That supplied voltage is different from the rated will lead to unconformity of the output current and the adjusted current. When Supplied voltage lower than the rated, the max output current will be lower than the rated.

Current is not stabilizing when machine is been operating. It has something with factors as following:

1. Electric wire net voltage has been changed;
2. There is harmful interference from electric wire net or other equipment.

Welding gap has air hole.

1. Check the gas supply loop leaks or not.
2. Surface of mother material has oil, stain, rust, lacquer or other impurity.

MAINTENANCE

CAUTION: Before Maintenance and checking, power must be timed off, and before Opening the housing, make sure the power plug is pulled off.

1. Remove dust by dry and clean compressed air regularly, if welding machine is operating in environment where is polluted with smokes and pollution air, the machine need remove dust everyday.
2. Pressure of compressed air must be inside the reasonable arrangement in order to prevent damaging to small components of inter-machine.
3. Check inter circuit of welding machine regularly and make sure the cable Circuit is connected correctly and connectors 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 will not be operated long time, it must be put into packing Box And store in dry environment.
6. When wire machine operates for every 300 hours, the electric carbon brush and armature rectifier should be polished, the reducer should be cleaned, and lubricator should be added to the turbo and bearing.

CHECK FAULT

Notes: If user wants to operate machine as following, the operator must be a personnel in a specific field of electricity and safety and hold the relevant certificate that proves their ability and knowledge. Before maintenance, contact with our sale agent for authorization is suggested.

1. Make sure air switch is closed.
2. Check if electric wire net is in work.
3. Some of heat-variable resistors(four) of power panel is Damaged, when it happen, general DC24v relay is open or Connectors are poor contact.
4. Power panel(bottom board) is damaged, DC 310V voltage Cannot be output.
5. Silicon bridge is broken or connector of silicon bridge Poor contact.
6. Power panel has been burned up.
7. Check the wire from the power switch to input cable is poor contact or not
8. Auxiliary power of control panel is in fault.

Power indicator is lit, fan works, no welding output|

1. Check if all kinds of cables of inter-machine are poor contact.
2. Output connector is cut off or poor contacted.
3. Control cable or switch of torch is broken.
4. Control circuit is broken.

Power indicator is lit, fan works, abnormal indicator is lit.|

1. Maybe it is overheated protection, please turn off machine first, then turn on the machine again after abnormal indicator is off.
2. Maybe it is overheated protection, wait for 2-3 minutes.
3. Maybe inverter circuit is in fault:
4. If abnormal indicator is still lit, some of IGBT is damaged on the main board, find out and replace it with same model.
5. If abnormal indicator is not lit,:
6. Maybe transformer is damaged, measure inductance volume an Q volume of main transformer by inductance bridge.
7. Maybe secondary rectifier tube of transformer is damaged, find out faults and replace rectifier tube with it.

Note: The operations below require the operator with enough knowledge of electricity and overall common sense of security, qualification certificate which can proof their ability and knowledge is a necessary. Before the inspection, we recommend that you should contact with US and get approval from them.

CHECK FAULTS
When abnormal situation such as failure of welding, unstable arc, poor welding result, do not consider that must ne some faults. The machine may be well but just some reasons cause abnormality such as that some connectors are loosened, forget to turn on the switch, wrong setting, broken cable and gas pipe, etc. So before maintenance, Please check it up first, some problem may be solved. The following is earlier checking diagram by this way. In the top right comer item you can find the problem, please check according to the diagram for the one with “O” mark.

EARLIER CHECKING DIAGRAM FOR THE ABNORMAL

The abnormal Place and item to be checked| No arcing| No gas| Can not Send wire| Poor Arcing initiation| Unstable arc| Welding margin unclean| Wire and Material| fcon conglutinated| Have air hole
---|---|---|---|---|---|---|---|---|---
Power supply box (input protective set )| ****

1. connected or not
2. fuse broken
3. connector loosen

| 〇| 〇| 〇| 〇| 〇| 〇| | |

Input cable

|

1. Broken or not
2. Connector loosen
3. Overheat

| 〇| 〇| 〇| 〇| 〇| 〇| | |

Power

|

1. Switched or not
2. lack phase

| 〇| 〇| 〇| 〇| 〇| 〇| 〇| 〇|
Gas cylinder& adjuster|

1. open cover
2. remains of gas
3. flow setting volume
4. Connecting point loosen

| | | | | 〇| | | | 〇
Gas pipe (access from the high-pressure cylinder to torch)|

1. Connecting point loosen
2. Pipe broken

| | | | | | | | | 〇
Wire sending equipment|

1. **** Wheel and leading tube not match
2. Wheel broken, slot blocked or lack
3. Over pressing or loosen, powder store up in entrance of SUS tube

| | | 〇| 〇| 〇| 〇| | 〇|

DAILY CHECKING

WELDING POWER SUPPLY

1. switch condition of operation, transfer and installment.
2.  test the power indicator

|
Cooling fan|

1. check if there is wind and the sound normal or not.

| If abnormal noise and no wind, to check the inner.

Power part

|

1. when electrified, abnormal smell or not.
2. when electrified, abnormal vibration and buzz or not.
3. color changing and heating or not in appearance.

|
Periphery|

1. gas pipe broken, loosen or not. 2.housing and other fixed parts loosen or not.

|

WIRE FEEDER

1. If put the arm to the suitable indicating level. (notes：not to damage wire less than Ф1.0mm ）

| Lead to unstable arc and wire sending.
Wire Lead Tube|

1. If powder or residue store up in the mouth of the tube.

| Clean the residue and check the reason and solve it.
Clean the residue and check the reason and solve it.| If not match, lead to unstable arc and residue.
If the tube mouth center matches the wire wheel slot center or not.| If the tube mouth center matches the wire wheel slot center or not.
Wire wheel|

1. Wire diameter matches the wheel’s requirement
2. If the wheel slot blocked

|

1. Lead to unstable arc and residue and block wire tube.
2. Change new one if necessary

Pressure wheel| Check the stability of its move, and wearing-out of pressed wire, the narrowing of its contact surface| Lead to unstable arc and wire sending.

WELDING TORCH

Loophole

| If installment fixed, the front distorted| Reason for air hole.
attach splash or not.| Reason for burning the torch. (can use splash-proof material )
Electric hole| If installment fixed| Reason of torch screw thread damage
damage of its head and hole blocked nor not| Reason of unstable arc and broken arc
Wire sending tube| check the extended size of the pipe| Have to be changed when less than 6mm, when the extended part too small, the arc will be unstable.
wire diameter and the tube inner diameter match or not| Reason of unstable arc, please use the suitable tube.
partial winding and extended| Reason of poor wires sending and unstable arc, please change.
| block caused by dirt in the tube and the remains of the wire plating lay.| Reason of poor wire sending and unstable arc, (use kerosene to wipe or change new one.)
wire sending tube broken O circle wear out|

1. Pyrocondensation tube broken, change new tube
2. Change new O circle

Gas bypass| Forget to insert or the hole blocked or different factory component.| May lead to vice (splash) because of poor gas shield, torch body get burned (arc in the torch), please handle.

CABLE

1. If torch cable over bended.
2. If the metal connecting point of mobile plug loosen

|

1. Cause poor wire sending
   Unstable arc if cable over bended

Output cable|

1. Wearing-out of the cable insulated material.
2. Cable connecting head naked (insulation damage), or loosen (the end of power supply, and cable of main material connecting point.)

| For life security and stable welding, adopt suitable method to check according to
Input cable|

1. If the connect of power supply input, protective equipment input and the output end fixed or not.
2. If the security equipment cable reliably connected.
3. If the power input end cable fixed
4. If the input cable is worn out and bares the conductor.

| working place. Simple check daily Careful and in-depth check on fixed period

Earth cable

|

1. If the earth cable that connects the power supply is broken and connect tightly.
2. If the earth cable that connects the main part is broken and connects tightly.

| To prevent creep age and insure security, please make daily check.

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