Murex Tradesmig 280?3 Bedienungsanleitung

Valid for serial no. 5090349 301 104 050606

Tradesmig 280−3

Instruction manual

-- 2 --

declaration

DECLARATION OF CONFORMITY

Murex Welding Products Ltd.

Declare hereby that:

Murex Tradesmig 280-3

Part No. 0349 308 070

Manufactured after 1st June 2005

Sconform with the requirements of Council Directive 72/23/EEC, amended by

Council Directive 93/68/EEC, relating to electrical equipment designed for use

within certain voltage limits.

Sconform with the requirements of Council Directive 89/336/EEC, amended by

Council Directive 93/68/EEC, relating to electromagnetic compatibility.

Sare manufactured in accordance with EN60974-1 Safety Requirements for Arc

Welding Equipment.

Sare manufactured in accordance with EN60974-10 Electromagnetic Compatibility

for Arc Welding Equipment.

On behalf of oMurex Welding Products Ltd.

Hanove

House, Queensgate

Britannia Road, Waltham Cross

Herts. EN8 7TF

England

Henry Selenius

Vice President

ESAB Welding Equipment AB

695 81 LAXA

SWEDEN

Manufactured by Esab Welding Equipment AB.

ENGLISH

−3 −

TOCe

1 SAFETY 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 INTRODUCTION 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 Equipment 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 TECHNICAL DATA 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 INSTALLATION 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1 Placing 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2 Assembly of components 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3 Electrical installation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4 Mains power supply 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 OPERATION 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 Connection and control devices 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2 Functions explanation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 MAINTENANCE 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1 Inspection and cleaning 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 FAULT TRACING 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 ORDERING OF SPARE PARTS 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DIAGRAM 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WEAR COMPONENTS 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ACCESSORIES 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−4 −

T280−3e

1 SAFETY

Users of welding equipment have the ultimate responsibility for ensuring that anyone who works on

or near the equipment observes all the relevant safety precautions. Safety precautions must meet

the requirements that apply to this type of welding equipment. The following recommendations

should be observed in addition to the standard regulations that apply to the workplace.

All work must be carried out by trained personnel well−acquainted with the operation of the welding

equipment. Incorrect operation of the equipment may lead to hazardous situations which can result

in injury to the operator and damage to the equipment.

1. Anyone who uses the welding equipment must be familiar with:

Sits operation

Slocation of emergency stops

Sits function

Srelevant safety precautions

Swelding

2. The operator must ensure that:

Sno unauthorised person is stationed within the working area of the equipment when it is

started up.

Sno−one is unprotected when the arc is struck

3. The workplace must:

Sbe suitable for the purpose

Sbe free from draughts

4. Personal safety equipment

SAlways wear recommended personal safety equipment, such as safety glasses, flame−proof

clothing, safety gloves.

SDo not wear loose−fitting items, such as scarves, bracelets, rings, etc., which could become

trapped or cause burns.

5. General precautions

SMake sure the return cable is connected securely.

SWork on high voltage equipment may only be carried out by a qualified electrician.

SAppropriate fire extinquishing equipment must be clearly marked and close at hand.

SLubrication and maintenance must not be carried out on the equipment during operation.

−5 −

T280−3e

WARNING

READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING.

ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-

TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE

BASED ON MANUFACTURERS’ HAZARD DATA.

ELECTRIC SHOCK −Can kill

SInstall and earth the welding unit in accordance with applicable standards.

SDo not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.

SInsulate yourself from earth and the workpiece.

SEnsure your working stance is safe.

FUMES AND GASES −Can be dangerous to health

SKeep your head out of the fumes.

SUse ventilation, extraction at the arc, or both, to take fumes and gases away from your breathing zone

and the general area.

ARC RAYS −Can injure eyes and burn skin.

SProtect your eyes and body. Use the correct welding screen and filter lens and wear protective

clothing.

SProtect bystanders with suitable screens or curtains.

FIRE HAZARD

SSparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.

NOISE −Excessive noise can damage hearing

SProtect your ears. Use earmuffs or other hearing protection.

SWarn bystanders of the risk.

MALFUNCTION −Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

WARNING!

Read and understand the instruction manual

before installing or operating.

Do not use the power source for thawing frozen pipes.

WARNING!

This product is solely intended for arc welding.

−6 −

T280−3e

2 INTRODUCTION

Tradesmig 280−3 is step controlled power source in a compact design, intended for welding with solid

steel, stainless steel or aluminium wire as well as tubular wire with or without shielding gas.

2.1 Equipment

The power source is supplied with:

SWelding gun

SReturn cable 3,5m with return clamp

SShelf for gas cylinder

SInstruction manual

3 TECHNICAL DATA

Tradesmig 280−3

Voltage 400−415V, 3∼50/60 Hz

Permissible load at

100% duty cycle 150A

60 % duty cycle 190A

35 % duty cycle 250A

Setting range (DC) 40A/16,0V−280A/26,5V

Open circuit voltage 15,0−37,0V

Open circuit power 340W

Power factor at max load 0,97

Control voltage 42V, 50/60Hz

Wire feed speed 1,0−17m/min

Burnback time 0−0,25s

Spot welding 0,2−2,5s

Welding gun connection EURO

Wire dimension range 0,6−1,2(Fe, SS)

1,0−1,2(Al)

0,8−1,2(cored)

Max diameter/weight

of wire bobin

300mm/15kg

Dimensions lxwxh 860x420x730

Weight 82kg

Operating temperature −10 ÷+40oC

Enclosure class IP 23

Application classification

Duty cycle

The duty cycle refers to the time as a percentage of a ten−minute period that you can weld at a cer-

tain load without overloading.

−7 −

T280−3e

Enclosure class

The IP code indicates the enclosure class, i. e. the degree of protection against penetration by solid

objects or water. Equipment marked IP23 is designed for indoor and outdoor use.

Application class

The symbol indicates that the power source is designed for use in areas with increased

electrical hazard.

4 INSTALLATION

The installation must be executed by a professional.

WARNING!

This product is intended for industrial use. In a domestic environment this product may cause radio

interference. It is the user’s responsibility to take adequate precautions.

4.1 Placing

Position the welding power source such way that its cooling air inlets and outlets are

not obstructed.

4.2 Assembly of components

For packing and shipment of the machine the wheels are detached from the unit.

Before use attach the wheels according to instruction.

WARNING!

−8 −

T280−3e

4.3 Electrical installation

4.4 Mains power supply

Check that the unit is connected to the correct mains power supply voltage, and that it is protected by

the correct fuse size. A protective earth connection must be made, in accordance with regulations.

Rating plate with supply connection data

Tradesmig 280−3

Voltage V 400−415V, 3∼50/60 Hz

Current A

at 100% duty cycle 7,0

at 60% duty cycle 10,2

at 35% duty cycle 14,6

Cable area mm24 x 1,5

Fuse slow A 16

−9 −

T280−3e

5 OPERATION

General safety regulations for the handling of the equipment can be found on

page 4. Read through before you start using the equipment!

WARNING!

Rotating parts can cause injury, take great care.

WARNING −TIPPING RISK!

There is a risk of tipping while transportation and operation, if the welding machine leans

more than 10o. In that case appropriate securing has to be provided !

5.1 Connection and control devices

1Mains supply switch 7Connection for return cable (−), low inductan-

2Indicating lamp, power ON/OFF 8Knob for spot welding −ON/OFF and time set-

ting

3Orange indicating lamp, overheating 9Knob for wire speed setting

4Welding voltage switch, 10 steps 10 Digital instrument −V/A (option,see page 15)

5EURO −connector for welding gun 11 Knob for burn−back time setting (located on

control board)

6Connection for return cable (−), high inductance

−10 −

T280−3e

5.2 Functions explanation

5.2.1 Overheating protection

When the machine is switched on with the mains switch [1], indicating lamp [2] is on and

lamp [3] off −the machine is ready to operate. If the internal temperature becomes too

high, the welding is interrupted and disabled. This state is indicated by lighting of the

orange indicating lamp [3] on the front of the machine. It resets automatically when the

temperature has fallen.

6 MAINTENANCE

Regular maintenance is important for safe, reliable operation.

Note!

All guarantee undertakings from the supplier cease to apply if the customer himself

attempts any work in the product during the guarantee period in order to rectify any

faults.

6.1 Inspection and cleaning

Check regularly that the power source is free from dirt.

The power source should be regularly blown clean using dry compressed air at reduced

pressure. More frequently in dirty environments. Otherwise the air inlet/outlet may be-

come blocked and cause overheating.

Welding gun

SCleaning and replacement of the welding gun’s wear parts should take place at

regular intervals in order to achieve trouble−free wire feed. Blow the wire guide

clean regularly and clean the contact tip.

The brake hub

The hub is adjusted when delivered, if

readjustment is required, follow the instructions

below. Adjust the brake hub so that wire is slightly

slack when wire feed stops.

SAdjusting the braking torque:

STurn the red handle to the locked position.

SInsert a screwdriver into the springs in the hub.

Turn the springs clockwise to reduce the braking torque

Turn the springs anticlockwise to increase the braking torque. NB: Turn both

springs through the same amount.

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