GZ GUOZHI MIG-140 Welder Flux Core Stick Lift Instruction Manual

GZ GUOZHI MIG-140 Welder Flux Core Stick Lift

Safety Warning

Warning : Please read the follow safety warning before operation.

All to defend and other – Ear cap shall be put on when welding, and very operation is also important during welding. So:

1. The welding helmet, face shield and protective goggles shall be prepared, when in the working area at any time.
2. The appropriate face shied with filter and skin face shall be used to protect eyes, face, neck, and ears form electrical spark and arc ray. And the spectator should not watch the arc and keep rain sack away from the arc ray and splash.
3. The appropriate protective clothing, shoes and helmet shall be worn to protect from arc ray, sparing and splattering.
4. All the buttons shall be done up to avoid the sparking and splattering.
5. The nonflammable partition and door curtain shall be used protect the other workers from electric ray and sparking.
6. The protective goggles shall be used when cleaning welding spatter.

Fire and Burse – The heat of frame and arc can cause lire. So:

1. Keep the flammable materials including wooden, cloth, wet fuel and gas fuel and so on away from the welding working area.
2. All the walls and floor in the working area should be untracked to avoid the smoldering and fire.
3. Ensure that all the working pieces are cleared before doing welding, and do not do weld on the sealed container to avoid burst.
4. The fire-fighting equipment shall be prepared near the welding working area.
5. Do not use the equipments overloading.
6. The fire monitor shall be used after welding.

Electric shock —-Please do not use the welding source in the wet area to avoid any injure  or death. So:

1. To ensure the source under pan and ear thing system of input source are connected.
2. To ensure the working pieces and good electric are connected.
3. To ensure the working cable and working piece are connected.
4. To change the damaged or abrasion cable in time.
5. Keep dry, including cloth, working area, wire, welding torch, soldering turret and power supply.
6. Keep the body insulated from the work piece and ground.
7. The operator shall stand on a dry wooden board or insulating platform of rubble shoes when working in a sealed on moist area.
8. The dry and sealed glove shall be wore before turning on the power.
9. The power should be turned off before taking off the glove.

Electromagnetic field – It can bring dangerous. So:

1. The worker that the heart pacemaker imbedded shall do some consultation with the doctor before doing welding; because the electromagnetic field may disturb the normal work of have pacemaker.
2. The electromagnetic is unhealthful.
3. The worker shall take the following measures to down times. exposing himself to the electromagnetic field:
4. Put the electrode cause and work cable together, and also the tape can used if possible.
5. Do not wind the welding touch cable and work cable round yourself.
6. Put the welding torch cable and work cable on one side of yourself.
7. Connect the work cable to the work piece, and make it to the welding area as nearly as possible.
8. Make yourself away from welding source and cable as much as possible.

Fog and gas – The welding fog and gas can make the worker uncomfortable, or hunted, especially in the limited icescape, so do not breathe the fog and gas. So:

1. The aerator natural on mechanical shall be prepared in the working area. Do not do welding on the following metals (galvanized, seed, stainless steel, copper, zinc, read, beryllium or calcium), and also do not breathe the welding fog and gas in.
2. Does not welding near the degreasing or spraying operation to avoid the poisonous gas phosgene or other imitates gas.
3. If you feel little imitate to the eyes, nose or threat. You shall stop welding and perfect the aerator. And you should stop welding at once if feeling comfortlessness.

Equipment maintenance – The wrong or inappropriate equipment maintenance can cause injury or death. So:

1. The licensed people can do assembly, maintenance and some other operation.
2. The power source shall be turned off when any maintenance work in the power source needed.
3. Ensure that the cable, earth wire, connector, main lead and power supply are in the normal work.
4. Do not abuse equipments and firing.
5. Keep the safe equipment and cabinet dos shall in peace and good condition.
6. Do not change any equipment.

The sign used in the manual means: take care! On guard! Involve your personal safety.

Danger Means sudden danger. It can get people injured or dead if it is inevitable.

Warning Means potential danger, it also get people injured or dead.

Cautions Means danger, it can get people injured.

Product Description

Product application

1. MIG-140 welding machine can be used as MIG/TIG/MMA, it is a multi-function welder. No gas mode, use flux-cored wire.
2. Designed as closed loop feedback system, with high electricity wave resistant ability, it can output stable voltage.
3. Welding voltage and current and be adjusted continuously, welding characteristic is good.
4. When use no gas welding, welding arc is stable and less spatter with nice appearance.
5. The machine is unique dynamic characteristics controlling cycle, stable welding arc, less splash, nice appearance, high welding efficiency.
6. Frequency of inverter is 45 KHZ, reduce the volume and weigh.
7. Observably reduced copper and core losses.
8. Switching frequency is under audio frequency, almost no noise
9. Main parts of welder are 100% tested.

Applicable range : Industry as auto, steel door& window, home decoration

Model unit

Equipment condition

• a ) Surrounding temperature range
  During welding: -10°C~+40°C
  During transit and storage: -25°C~+55°C

• b ) Opposite humidity when 40°C <50% when 20°C <90%

• c ) Dust acid active gas or object in surrounding air can’t exceed normal content, except these objects that be brought by welding course.

• d ) Altitude height must ~ 1000m

• e ) Gradient of welding power ~15°

Noise announce

When the machine is working, it maybe has noise, but the noise can’t exceed 75 decibel.

Safety

Before operating the equipment, you must read the safety directions to avoid the hurt that because of misapply and impropriety installing.

Optional Accessories
MIG Torch
Electrode holder
Earth clamp

Assembly

The requirement of installing ground

Equal ground is very necessary to the machine, the ground must be have good ventilation system, and can’t be exposed in dust, dirt, wet and active steam, the minimum distance between back board and it’s nearest bar also ≥46cm.

Check, discharged and placed

1. After receiving the equipment, you should check if the equipment has been damaged during traffic. If damaged, you should notify the conveyance, if lack spare parts, please notify the dealer at once.
2. Take spare parts out from packing box, remove the packing material, and check if any cast in packing box.
3. Check every airway in the shell, and make sure packing box can’t block air circulating.
4. Choose roomy ground to placed spare parts, in order to installing conveniently.

Connection method

• Flux-Cored
  

• Stick
  

• Lift TIG
  

Operation

Cautions

When welding, you must wear helmet… glove and other guard.
Layout drawing of control panel (diagram 3-1)

1. Power light
2. MIG/TIG/ ARC
3. Voltage adjustment
4. Flux/0.03 indicator light
5. Flux/0.035 indicator light
6. Function selection button
7. TIG indicator light
8. Digital display
9. MMA indicator light
10. Current adjustment
11. O.C light
    

Graphic symbols and technical data

• Uo …… .V This symbol shows the secondary no-load voltage (in volts).
• X This symbol shows the rated duty cycle.
• I2 …… A This symbol shows the welding current in AMPS.
• U2 …… V This symbol shows the welding voltage in VOL TS.
• U1 This symbol shows the rated supply voltage.
• I1max … A This symbol shows the welding unit’s maximum absorbed current in AMP.
• I1ett- .. A   This symbol shows the welding unit’s maximum absorbed current in AMP.
• IP21S This symbol shows the welding unit’s protection class.
• This symbol shows that the welding unit is suitable for use in environments where there is a high risk of electric shocks.
• This symbol shows read the operating instructions carefully before operation.
• This symbol shows the welding unit is a single phased D.C. welder.
• This symbol shows the supply power phase and line frequency in Hertz.

Warning

Cautions

If welding with large current for a long time and exceed the duty cycle, the overload lamp will light (yellow), the machine will stop working without output and you have to wait until the temperature cooling down.

Maintenance

Cautions

If the equipment can’t work normally, you should stop working at once and check trouble reason. You must use professional to maintenance; forbid somebody that without training to check clear or repair equipment, when repairing, you’d better to use commendatory spare parts.

Warning

Before any maintenance, make sure the main switch has been cut.

Cleanness

Take the shell and sideboard trimly, and use cleanly and dry low-pressure air to blow dust and dirt on air alleyway and inner parts. Clear the dirt, dregs and begrime on the head of welding tongs trimly. Make sure the clean frequency according to the circumstance.
In order to enough circulating and supply proper cooling, it’s necessary to keep the alleyway cleanness.
After cleaning by low-pressure, check if any hardware has been fixed, if fixed, you must firm them, include all electric contactor. Check if insulation of cable has been frayed, if the cable has been frayed, you must replace it.

Warning

If you replace the cable improperly, the bare cable may contact the grounding objects, the arc can hurt your eyes or bring bad fire. If body contact the have cable linker or lead; you may be burnt or dead.

Check and maintenance

Keep the power dry, remove grease and make sure the power can’t be damaged by flaming metal and spark.

Transformer

Transformer needn’t any maintenance except clear the dust and dirt trimly. Use low-pressure air to let it clean and dry.

Cable

Place cable at a clean and dry place.

Fault Diagnosis

Warning

Before repairing, you must cut the main switch or breaker.

If the machine can’t work normally, use following information, you can find the reason. Check trouble and collate symptom, as table 5-1.lf the problem can’t be found at once, you should open the power to see ass parts and wire.

Warning

Electric repairing must be made by career man.

Table5-1 Diagnose and remove

1. Without voltage in input terminal
2. Overload protective setting

|

1. After cooling then try to continue

When Pressing switch the machine can not working|

1. Control wire broke off
2. Circuit plate damaged.

|

1. Check by career 2.Replace circuit plate

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