ESAB A6 Mastertrac Manual de usuario

Valid for serial no. 916-xxx-xxxx0449 275 260 2009-11-09

A6 Welding heads

A6SF F1 / A6SF F1 Twin

Instruction manual

  

Rights reserved to alter specifications without notice.

ENGLISH 4..............................................



ENGLISH

  

  

1 SAFETY 5...........................................................

2 INTRODUCTION 8...................................................

2.1 General 8..................................................................

2.2 WeldingMethod 8...........................................................

2.3 Definitions 8................................................................

2.4 TechnicalData 9............................................................

2.5 MainComponentsA6SFF1 10.................................................

2.6 MainComponentsA6SFF1Twin 10............................................

2.7 DescriptionofMainComponents 11............................................

3 INSTALLATION 12....................................................

3.1 General 12..................................................................

3.2 Mounting 12.................................................................

3.3 AdjustingtheBrakeHub 13....................................................

3.4 Connections 14..............................................................

4 OPERATION 15.......................................................

4.1 General 15..................................................................

4.2 LoadingtheWeldingWire 16..................................................

4.3 ChangingtheFeedRoller 17...................................................

4.4 Contact Equipment for Submerged Arc Welding 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5 RefillingwithFluxPowder 19..................................................

4.6 Conversion of A6SF F1 / A6SF F1 Twin (Submerged Arc Welding) to MIG/MAG welding .

4.7 Conversion of A6SF F1 (Submerged Arc Welding) to Twin-arc 19. . . . . . . . . . . . . . . . . . .

5 MAINTENANCE 20....................................................

5.1 General 20..................................................................

5.2 Daily 20.....................................................................

5.3 Regularly 20.................................................................

6 FAULTTRACING 21..................................................

6.1 General 21..................................................................

6.2 Possiblefaults 21............................................................

7 ACCESSORIES 22....................................................

8 ORDERINGOFSPAREPARTS 22......................................

DIMENSIONDRAWING 23................................................

SPAREPARTSLIST 25..................................................

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SafeArcS GB

1 SAFETY

Users of ESAB welding equipment have the ultimate responsibility for ensuring that

anyone who works on or near the equipment observes all the relevant safety pre-

cautions. 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 oper-

ation 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:

its operation

location of emergency stops

its function

relevant safety precautions

welding

2. The operator must ensure that:

no unauthorised person is stationed within the working area of the

equipment when it is started up.

no-one is unprotected when the arc is struck

3. The workplace must:

be suitable for the purpose

be free from draughts

4. Personal safety equipment

Always wear recommended personal safety equipment, such as safety

glasses, flame-proof clothing, safety gloves. Note! Do not use safety

gloves when replacing wire.

Do not wear loose-fitting items, such as scarves, bracelets, rings, etc.,

which could become trapped or cause burns.

5. Protection against other risks

Dust particles of a certain size can be harmful to man. A ventilation system

and extractor should therefore be provided to eliminate this risk.

6. General precautions

Make sure the return cable is connected securely.

Work on high voltage equipment may only be carried out by a qualified

electrician.

Appropriate fire extinquishing equipment must be clearly marked and close

at hand.

Lubrication and maintenance must not be carried out on the equipment

during operation.

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SafeArcS GB

WARNING, RISK OF CRUSHING!

Do not use safety gloves when replacing wire, feed rollers and wire bobbins.

WARNING

ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND

OTHERS. TAKE PRECAUTIONS WHEN WELDING. ASK FOR YOUR

EMPLOYER'S SAFETY PRACTICES WHICH SHOULD BE BASED ON MANU-

FACTURER'S HAZARD DATA.

ELECTRIC SHOCK - Can kill

Install and earth the welding unit in accordance with applicable standards.

Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet

clothing.

Insulate yourself from earth and the workpiece.

Ensure your working stance is safe.

FUMES AND GASES - Can be dangerous to health

Keep your head out of the fumes.

Use ventilation, extraction at the arc, or both, to keep fumes and gases from

your breathing zone and the general area.

ARC RAYS - Can injure eyes and burn skin

Protect your eyes and body. Use the correct welding screen and filter lens and

wear protective clothing.

Protect bystanders with suitable screens or curtains.

FIRE HAZARD

Sparks (spatter) can cause fire. Make sure therefore that there are no inflam-

mable materials nearby.

NOISE - Excessive noise can damage hearing

Protect your ears. Use ear defenders or other hearing protection.

Warn bystanders of the risk.

MALFUNCTION

Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

READ AND UNDERSTAND THE INSTRUCTION MAN-

UAL BEFORE INSTALLING OR OPERATING.

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SafeArcS GB

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hfa7d1ea

2 INTRODUCTION

2.1 General

All the welding heads included in this instruction manual are designed for SAW

welding of butt and fillet joints.

They are intended for use in combination with PEK and ESAB's welding power

source LAF or TAF.

2.2 Welding Method

Submerged Arc Welding (SAW)

Submerged arc Light Duty.

Submerged arc light duty with a Ø 20 mm connector permits a load up to 800 A

(100%).

Submerged arc Heavy Duty.

Submerged-arc heavy duty, with a 35 mm connector, which permits a load of

up to 1500 A.

This version can be equipped with feed rollers for single or twin wire welding

(twin-arc). A special knurled feed roller is available for flux-cored wire, which

guarantees even wire feed without the risk of deformation due to high feed pressure.

2.3 Definitions

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

             ! " 

   

            #   ! " 

  $ 

  %       

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hfa7d1ea

2.4 Technical Data

A6SF F1 / A6SF F1 Twin

Rated load 100% 1500 A

Wire dimensions:

solid single wire

flux-cored wire

twin wire

3,0-6,0 mm

3,0-4,0 mm

2x2,0-3,0mm

Wire feed speed 0,2-4,0 m/min

Brake drum braking torque 1,5 Nm

Max weight, wire 2x30 kg

Flux hopper capacity (Not to be filled with preheated flux) 10 l

Weight (flux and wire excluded)

with hand-operated linear slides

with motor-driven linear slides

58 kg

75 kg

Sideways tilt, max. 25

Setting length of the slide*

hand-operated

motor-driven 210 mm

300 mm

Enclosure class IP10

*) NB! Other lengths on request.

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2.5 Main Components A6SF F1

1. Wire feed unit

2. Slide kit, manual

3. Slide kit, motorised

4. Contact tube

5. Motor with gear (A6 VEC)

6. Carrier for wire drum

7. Flux hopper

8. Flux tube

9. Flux nozzle

2.6 Main Components A6SF F1 Twin

1. Wire feed unit

2. Slide kit, manual

3. Slide kit, motorised

4. Connector (Twin)

5. Motor with gear (A6 VEC)

6. Carrier for wire drum

7. Flux hopper

8. Flux tube

9. Flux nozzle

See on page 11 for a description of the main components.

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