Fytech FYMIG180 Manuel utilisateur

Instruction Manual

Our equipment is approved by the following car manufacturers

FYMIG180

(China)

CONTENTS

1. Safety Precautions Symbols

2. Symbols and Descriptions

3. Installation

3.1 Specifications

3.2 Duty Cycle and Overheating

3.3 Machine Installation

3.4 Selecting a Location

3.5 Installing Gas Supply

3.6 Connecting Input Power

3.7 Threading Welding Wire

3.8 Changing Drive Roll

3.9 Typical MIG Process Connection

3.10 Welding Gun

4. Operation

4.1 Controls

4.2 Holding and Positioning Welding Gun

4.3 Conditions that Affect Weld Bead Shape

4.4 Gun Movement during Welding

4.5 Poor Weld Bead Characteristics

4.6 Good Weld Bead Characteristics

5. Troubleshooting

5.1 Excessive Spatter

5.2 Porosity

5.3 Excess Penetration

5.4 Lack of Penetration

5.5 Incomplete Fusion

5.6 Burn through

5.7 Waviness of Bead

5.8 Distortion

5.9 Other Troubleshooting

Read instructions.

1. Read the manual before using or

servicing unit.

2. Use only manufacturer’s supplied

replacement.

Exploding parts can injure. Always

wear a face shield and long sleeves.

Static can damage PC boards

1.Put on grounded wrist strap before

handing boards or parts。

2. Use proper static-proof bags and

boxes to store, move or ship PC boards.

Fire or explosion hazard.

Do not locate unit on, over, or near combustible

surfaces. Do not install unit near flammables.

1. Wear approved face shield or safety

goggles with side shields.

2. Wear proper body protection to

protect skin.

Do not weld in the height！

Flying metal can injure eyes. Wear safety

glasses with side shields or face shield.

1. Magnetic fields can affect pacemakers.

Pacemaker wearers keep away.

2. Wearers should consult their doctor

before going near plasma arc cutting

operations.

Overuse can cause overheating. Allow

cooling period, follow rated duty cycle

before starting to weld again.

Cylinders can explode if damaged. Gas

cylinders contain gas under high pressure.

If damaged, a cylinder can explode. Be sure

to treat them carefully.

Electric shock can kill:

1. Do not touch live electrical parts.

2. Wear dry, hole-free insulating gloves

and body protection.

3. Do not wrap electrical cable around your body.

4. Ground the workpiece with a good electrical ground.

Keep away from the torch tip.

Remove all flammables of the welding area.

Falling unit can cause injury.

Eye protection for welding:

Current level in amperage / Minimum shade number

30-150A / #8

150-300A / #10

300-500A / #12

The heat from the workpiece can cause serious

burns.

Never cut on pressurized cylinder.

Keep away from moving parts such as fans.

Fumes and gases can be hazardous:

Welding produces fumes and gases. Breathing these

fumes and gases can be hazardous to your health. If

inside, ventilate the area. Do not weld in a confined

space only if it is well ventilated.

Moving parts can cause injury.

To protect yourself and others from injury, read and follow these

precautions before installation and operation.

1. SAFETY PRECAUTIONS SYMBOLS

Page 1

Protect yourself! Warn others! Factory safety! Maintenance regularly!

Primary Voltage

Hertz

＋－

Adjust Air/Gas

Pressure

Gas Input

Gas Output Do Not Switch

While Welding

Amperes

Volts

Gas Metal Arc

Welding (GMAW)

Gun

On Percent

Wire Feed Off Increase

Line Connection

Loose Shield Cup

Protective Earth

(Ground)

Degree of Protection

Rated Welding

Current

No / Do Not Do This

Single Phase

Power Rating, Products

of Voltage and Current

Duty Cycle

Direct Current

Wire Feed

Spool Gun

Input

Constant Current

Voltage Input

Temperature

Rated No Load

Voltage (Average)

Conventional Load

Voltage

Page 2

Description:

Our semi-automatic welder is an all-in-one MIG shielding gases welder (GMAW) with high

efficiency that is an ideal substitute for manual arc welding. Most advanced circuit design

and technology are adopted. Excellent performances, supreme reliability, quality welding

requirements can be satisfied. Spot weld, groove weld, and fillet weld are available. Most

commonly used shielding gases are applicable such as Co2, AR, CO2+AR, CO2+O, etc.

Suitable for welding of various metallic materials such as mild steel, low carbon steel, low

alloy steel, stainless steel, steel, iron, copper, aluminum, nicket, etc. Extensively used in the

welding and field operation of oil pipeline, chemical, car fabrication, shipyard, etc.

2. SYMBOLS AND DESCRIPTIONS

Symbols and Definitions

Page 3

3. INSTALLATION

3.1 Specifications

Model

Input Voltage

(V)

Frequency

(Hz)

Rated Input Power

(KW)

No-load Voltage

(V)

Rated Output Current

(A)

Duty Cycle

Output Voltage

(V)

Insulation Class

Welding Wire Diameter

(mm)

Dimensions

(mm)

Weight

(kg)

50/60

140

65%

15.7-30

Mild steel solid core wire

0.6 - 1.0

430*280*320

AC 220

Single/ phase

FYMIG180

Page 4

3. INSTALLATION

3.2 Duty Cycle and Overheating

1. Overheat protection is installed on the aluminium board of rectifier. The

unit products heat while welding.

2. If unit overheats, output stops, and cooling fan runs.

3. Wait fifteen minutes for unit to cool. Reduce amperage or voltage, or duty

cycle before welding.

Weld againOverheating Stop working Wait 15 minutes

for unit to cool

Reduce amperage or

reduce duty cycle

Page 5

3. INSTALLATION

3.3 Machine Installation

1. Open the package and find out the Manual.

2. Check the details of accessories according to packing list that attached to this

manual.

3. Properly install this equipment as following diagram. Inspect the unit for any

damage. If so, contact your local distributor or service agency.

4. The unit should not be located under sunshine. The worksite should be in low

humidity and without dust.

5. Operating Temperature range: -10°C to +40°C.

6. Storage Temperature range: -25°C to +56°C.

7. At least 20cm of space for airflow, 30cm of space for two units located side by

side.

8. Use tent to protect the machine from stormy weather when operate outdoor.

9. Welding produces fumes and gases, breathing these fumes and gases can be

hazardous to your health. If inside, less than 300m , Ventilate the area.

10. Properly ground this equipment.

11. The input power cord gradient should not more than 15°.

Page 6

3. INSTALLATION

3.4 Selecting a Location

1. Select a correct location to place the unit.

2. Determine input power cord length according to its actual operation

requirement. Input power cord must have a minimum inside diameter of 6mm2.

3. Do not move or operate unit where it could tip.

4. Use cart or unit handle to move unit. Do not pull the cords to move unit.

5. Moving gas cylinder and main unit to hight sparaely.Use lifting eye to lift unit

only, not running gear, gas cylinders, or any other accessories.

6. Optional order for individual wire feeder is available. The wire fe eder and

welding gun divide from the main unit.It is more convenient to operate.

Page 7

3. INSTALLATION

3.5 Installing Gas Supply

1. Cap

2. Cylinder valve (Remove cap, stand to side of valve, and open valve slightly. Gas

flow blows dust and dirt from vavle. Close vavle.)

3. Cylinder

4. Regulator/Flowmeter (Make sure the surface is vertical while installing.)

5. Flow Adjust (Typical pressure is 0.05-0.15MPa.)

6. Hose

7. Hose Connection (Connect gas hose between regulator/flowmeter and the

unit.)

8. Regulator/Flowmeter heating socket (For low temperature worksite, please

plug the regulator/flowmeter to the socket for heating.

DO NOT use other gases regulater/flowmeter

with CO shielding gas.

OFF

CO2

Rear Panel

Page 8

3. INSTALLATION

3.6 Connecting Input Power

1. Input power cord (not less than 6mm

copper cord).

2. Over-current protection.

3. Disconnect device line terminals.

4. Ground wire L1/L2 input conductors.

Installation must meet all National and Local

Codes. Only qualified persons

are allowed to make this installation.

Disconnect and lockout/tagout input power

before connecting input conductors from unit.

Select type and size of over-current protection.

Close and secure door on disconnect device.

Remove lockout/tagout device, and place

switch in the "on" position.

OFF

CO2

AC 220V

The power supply must have a ground connection.

The welder must also be connected to circuit breaker.

The power supply must have a ground connection.The welder must also be connected to circuit breaker.

Power connection and installation must meet

all National and Local standards(Circuit

breaker must be installed).Only qualified

persons are allowed to make this installation.

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