ESAB 160 TS ARCMASTER® Inverter Arc Welder Manuel utilisateur

Marque: ESAB

Modèle: 160 TS ARCMASTER® Inverter Arc Welder

Catégorie: Système de soudage

Taper: Manuel utilisateur

PHASE

SMAW

GTAW

INVERTER

115

230

160 TS

ARCMASTER

INVERTER ARC WELDER

Operating Manual

Revision: AA.01 Issue Date: March 31, 2006 Manual No: 0-4858

Operating Features:

WE APPRECIATE YOUR BUSINESS!

Congratulations on your new Thermal Arc

product. We are proud to

have you as our customer and will strive to provide you with the best

service and reliability in the industry. This product is backed by our

extensive warranty and world-wide service network. To locate your

nearest distributor or service agency call 800-752-7621, or visit us

on the web at www.thermalarc.com.

This Operating Manual has been designed to instruct you on the correct

use and operation of your Thermal Arc

product. Your satisfaction with

this product and its safe operation is our ultimate concern. Therefore,

please take the time to read the entire manual, especially the Safety

Precautions. They will help you to avoid potential hazards that may

exist when working with this product.

YOU ARE IN GOOD COMPANY!

The Brand of Choice for Contractors and Fabricators Worldwide.

Thermal Arc

is a Global Brand of Arc Welding Products for Thermadyne

Industries Inc. We manufacture and supply to major welding industry

sectors worldwide including; Manufacturing, Construction, Mining,

Automotive, Aerospace, Engineering, Rural and DIY/Hobbyist.

We distinguish ourselves from our competition through market-

leading, dependable products that have stood the test of time. We

pride ourselves on technical innovation, competitive prices, excellent

delivery, superior customer service and technical support, together

with excellence in sales and marketing expertise.

Above all, we are committed to develop technologically advanced

products to achieve a safer working environment within the welding

industry.

WARNINGS

Read and understand this entire Manual and your employer’s safety practices before installing, operating, or

servicing the equipment.

While the information contained in this Manual represents the Manufacturer’s best judgment, the Manufacturer

assumes no liability for its use.

Instruction Manual Number 0-4858 for:

ArcMaster 160TS Inverter Welding Power Supply Part No. 10-3067

Published by:

Thermadyne Industries, Inc.

82 Benning Street

West Lebanon, New Hampshire, USA 03784

(603) 298-5711

www.thermalarc.com

Thermadyne Industries, Inc.

Reproduction of this work, in whole or in part, without written permission of the publisher is

prohibited.

The publisher does not assume and hereby disclaims any liability to any party for any loss or

damage caused by any error or omission in this Manual, whether such error results from neg-

ligence, accident, or any other cause.

Publication Date: March 31, 2006

Record the following information for Warranty purposes:

Where Purchased: _______________________________

Purchase Date: _______________________________

Equipment Serial #: _______________________________

ARCMASTER

160TS

March 31, 2006ii

Table of Contents

SECTION 1:

SAFETY INSTRUCTIONS AND WARNINGS ........................................................ 1-1

1.01 Arc Welding Hazards ........................................................................................1-1

1.02 Principal Safety Standards ................................................................................1-4

1.03 Precautions De Securite En Soudage A L’arc ....................................................1-5

1.04 Dangers relatifs au soudage à l’arc ...................................................................1-5

1.05 Principales Normes De Securite .......................................................................1-8

SECTION 2:

INTRODUCTION AND DESCRIPTION ............................................................... 2-1

2.01 How To Use This Manual ..................................................................................2-1

2.02 Equipment Identiﬁ cation ...................................................................................2-1

2.03 Receipt Of Equipment .......................................................................................2-1

2.04 Symbol Chart ....................................................................................................2-2

2.05 Description .......................................................................................................2-3

2.06 Functional Block Diagrams ...............................................................................2-3

2.07 Transporting Methods .......................................................................................2-4

2.08 Installation Recommendations..........................................................................2-4

• Environment ...................................................................................................2-4

• Location ..........................................................................................................2-4

• Electrical Input Connections ...........................................................................2-4

2.09 Speciﬁ cations ...................................................................................................2-7

2.10 Duty Cycle .........................................................................................................2-8

SECTION 3:

OPERATOR CONTROLS .............................................................................. 3-1

3.01 ArcMaster 160TS Controls ................................................................................3-1

3.02 Weld Process selection for ArcMaster 160TS ...................................................3-2

3.03 Weld Parameter Descriptions for ArcMaster 160TS ..........................................3-3

3.04 Weld Parameters for ArcMaster 160TS .............................................................3-5

3.05 Power Source Features .....................................................................................3-6

SECTION 4:

SET-UP FOR SMAW (STICK) AND GTAW (TIG) ................................................... 4-1

SECTION 5:

SEQUENCE OF OPERATION .......................................................................... 5-1

5.02 HF TIG & Lift TIG Welding ................................................................................5-2

ARCMASTER

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March 31, 2006 iii

SECTION 6

:BASIC TIG WELDING GUIDE ........................................................................ 6-1

6.01 Electrode Polarity ..............................................................................................6-1

6.02 Tungsten Electrode Current Ranges ..................................................................6-1

6.03 Tungsten Electrode Types .................................................................................6-1

6.04 Guide for Selecting Filler Wire Diameter ...........................................................6-1

6.05 Shielding Gas Selection ....................................................................................6-2

6.06 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe .....................6-2

6.07 Welding Parameters for Steel ...........................................................................6-2

SECTION 7:

BASIC ARC WELDING GUIDE ........................................................................ 7-1

7.01 Electrode Polarity ..............................................................................................7-1

7.02 Effects of Stick Welding Various Materials ........................................................7-1

SECTION 8:

ROUTINE MAINTENANCE ........................................................................... 8-1

SECTION 9:

BASIC TROUBLESHOOTING ......................................................................... 9-1

9.01 TIG Welding Problems ......................................................................................9-1

9.02 Stick Welding Problems ....................................................................................9-2

9.03 Power Source Problems ...................................................................................9-4

SECTION 10:

VOLTAGE REDUCTION DEVICE (VRD) .............................................................10-1

10.01 VRD Speciﬁ cation .........................................................................................10-1

10.02 VRD Maintenance .........................................................................................10-1

10.03 Switching VRD On/Off...................................................................................10-2

SECTION 11:

POWER SOURCE ERROR CODES ..................................................................11-1

SECTION 13:

PARTS LIST ...........................................................................................13-1

APPENDIX A:

INTERCONNECT DIAGRAM ......................................................................... A-2

APPENDIX B:

INTERCONNECT DIAGRAM ......................................................................... B-3

APPENDIX C:

OPTIONS AND ACCESSORIES ....................................................................... C-1

ARCMASTER

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March 31, 2006iv

ARCMASTER

160TS

March 31, 2006 1-1

SECTION 1:

SAFETY INSTRUCTIONS AND WARNINGS

WARNING

PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS KEEP AWAY UNTIL

CONSULTING YOUR DOCTOR. DO NOT LOSE THESE INSTRUCTIONS. READ OPERATING/INSTRUCTION MANUAL BEFORE INSTALLING, OPERATING

OR SERVICING THIS EQUIPMENT.

Welding products and welding processes can cause serious injury or death, or damage to other equipment or property, if the operator does not strictly

observe all safety rules and take precautionary actions.

Safe practices have developed from past experience in the use of welding and cutting. These practices must be learned through study and training before

using this equipment. Some of these practices apply to equipment connected to power lines; other practices apply to engine driven equipment. Anyone

not having extensive training in welding and cutting practices should not attempt to weld.

Safe practices are outlined in the American National Standard Z49.1 entitled: SAFETY IN WELDING AND CUTTING. This publication and other guides to what

you should learn before operating this equipment are listed at the end of these safety precautions. HAVE ALL INSTALLATION, OPERATION, MAINTENANCE,

AND REPAIR WORK PERFORMED ONLY BY QUALIFIED PEOPLE.

1.01 Arc Welding Hazards

WARNING

ELECTRIC SHOCK can kill.

Touching live electrical parts can cause fatal shocks or

severe burns. The electrode and work circuit is electrically

live whenever the output is on. The input power circuit and

machine internal circuits are also live when power is on. In

semiautomatic or automatic wire welding, the wire, wire reel,

drive roll housing, and all metal parts touching the welding

wire are electrically live. Incorrectly installed or improperly

grounded equipment is a hazard.

1. Do not touch live electrical parts.

2. Wear dry, hole-free insulating gloves and body protection.

3. Insulate yourself from work and ground using dry insulating mats or

covers.

4. Disconnect input power or stop engine before installing or servicing

this equipment. Lock input power disconnect switch open, or remove

line fuses so power cannot be turned on accidentally.

5. Properly install and ground this equipment according to its Owner’s

Manual and national, state, and local codes.

6. Turn off all equipment when not in use. Disconnect power to equipment

if it will be left unattended or out of service.

7. Use fully insulated electrode holders. Never dip holder in water to cool it

or lay it down on the ground or the work surface. Do not touch holders

connected to two welding machines at the same time or touch other

people with the holder or electrode.

8. Do not use worn, damaged, undersized, or poorly spliced cables.

9. Do not wrap cables around your body.

10. Ground the workpiece to a good electrical (earth) ground.

11. Do not touch electrode while in contact with the work (ground)

circuit.

12. Use only well-maintained equipment. Repair or replace damaged parts

at once.

13. In conﬁ ned spaces or damp locations, do not use a welder with AC

output unless it is equipped with a voltage reducer. Use equipment

with DC output.

14. Wear a safety harness to prevent falling if working above ﬂ oor level.

15. Keep all panels and covers securely in place.

WARNING

ARC RAYS can burn eyes and skin; NOISE can damage

hearing. Arc rays from the welding process produce intense

heat and strong ultraviolet rays that can burn eyes and skin.

Noise from some processes can damage hearing.

1. Wear a welding helmet ﬁ tted with a proper shade of ﬁ lter (see ANSI

Z49.1 listed in Safety Standards) to protect your face and eyes when

welding or watching.

2. Wear approved safety glasses. Side shields recommended.

3. Use protective screens or barriers to protect others from ﬂ ash and

glare; warn others not to watch the arc.

4. Wear protective clothing made from durable, ﬂ ame-resistant material

(wool and leather) and foot protection.

5. Use approved ear plugs or ear muffs if noise level is high.

ARCMASTER

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March 31, 20061-2

WARNING

FUMES AND GASES can be hazardous to your health.

Welding produces fumes and gases. Breathing these fumes

and gases can be hazardous to your health.

1. Keep your head out of the fumes. Do not breath the fumes.

2. If inside, ventilate the area and/or use exhaust at the arc to remove

welding fumes and gases.

3. If ventilation is poor, use an approved air-supplied respirator.

4. Read the Material Safety Data Sheets (MSDSs) and the manufacturer’s

instruction for metals, consumables, coatings, and cleaners.

5. Work in a conﬁ ned space only if it is well ventilated, or while wearing an

air-supplied respirator. Shielding gases used for welding can displace

air causing injury or death. Be sure the breathing air is safe.

6. Do not weld in locations near degreasing, cleaning, or spraying

operations. The heat and rays of the arc can react with vapors to form

highly toxic and irritating gases.

7. Do not weld on coated metals, such as galvanized, lead, or cadmium

plated steel, unless the coating is removed from the weld area, the

area is well ventilated, and if necessary, while wearing an air-supplied

respirator. The coatings and any metals containing these elements can

give off toxic fumes if welded.

WARNING

WELDING can cause ﬁ re or explosion.

Sparks and spatter ﬂ y off from the welding arc. The ﬂ ying

sparks and hot metal, weld spatter, hot workpiece, and hot

equipment can cause ﬁ res and burns. Accidental contact of

electrode or welding wire to metal objects can cause sparks,

overheating, or ﬁ re.

Wel di ng or cutting Electrode S ize Filter Wel di ng or cutting Electrode S ize Fi lter

Torch soldering 2

Gas metal-arc

Torch brazing 3 or 4 Non-ferrous base metal All 11

Oxygen Cutting

Ferrous base metal All 12

Light Under 1 in., 25 mm 3 or 4 Gas tungsten arc welding All 12

Medium 1 to 6 in., 25-150 mm 4 or 5 (TIG) All 12

Heavy Over 6 in., 150 mm 5 or 6 Atomic hydrogen welding All 12

Gas welding

Carbon arc welding All 12

Light Under 1/8 in., 3 mm 4 or 5 Plasma arc welding

Medium 1/8 to 1/2 in., 3-12 mm 5 or 6

Carbon arc air gouging

Heavy Over 1/2 in., 12 mm 6 or 8 Light 12

Shielded metal-arc

Under 5/32 in., 4 mm 10 Heavy 14

5/32 to 1/4 in., 12

Plasma arc cutting

Over 1/4 in., 6.4 mm 14 Light Under 300 Amp 9

Medium 300 to 400 Amp 12

Heavy Over 400 Amp 14

Eye protection filter shade selector for welding or cutting

(goggles or helmet), from AWS A6.2-73.

1. Protect yourself and others from ﬂ ying sparks and hot metal.

2. Do not weld where ﬂ ying sparks can strike ﬂ ammable material.

3. Remove all ﬂ ammables within 35 ft (10.7 m) of the welding arc. If this

is not possible, tightly cover them with approved covers.

4. Be alert that welding sparks and hot materials from welding can easily

go through small cracks and openings to adjacent areas.

5. Watch for ﬁ re, and keep a ﬁ re extinguisher nearby.

6. Be aware that welding on a ceiling, ﬂ oor, bulkhead, or partition can

cause ﬁ re on the hidden side.

7. Do not weld on closed containers such as tanks or drums.

8. Connect work cable to the work as close to the welding area as practical

to prevent welding current from traveling long, possibly unknown paths

and causing electric shock and ﬁ re hazards.

9. Do not use welder to thaw frozen pipes.

10. Remove stick electrode from holder or cut off welding wire at contact

tip when not in use.

WARNING

FLYING SPARKS AND HOT METAL can cause injury.

Chipping and grinding cause ﬂ ying metal. As welds cool,

they can throw off slag.

1. Wear approved face shield or safety goggles. Side shields

recommended.

2. Wear proper body protection to protect skin.

ARCMASTER

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March 31, 2006 1-3

WARNING

CYLINDERS can explode if damaged.

Shielding gas cylinders contain gas under high pressure. If

damaged, a cylinder can explode. Since gas cylinders are

normally part of the welding process, be sure to treat them

carefully

1. Protect compressed gas cylinders from excessive heat, mechanical

shocks, and arcs.

2. Install and secure cylinders in an upright position by chaining them to

a stationary support or equipment cylinder rack to prevent falling or

tipping.

3. Keep cylinders away from any welding or other electrical circuits.

4. Never allow a welding electrode to touch any cylinder.

5. Use only correct shielding gas cylinders, regulators, hoses, and ﬁ ttings

designed for the speciﬁ c application; maintain them and associated

parts in good condition.

6. Turn face away from valve outlet when opening cylinder valve.

7. Keep protective cap in place over valve except when cylinder is in use

or connected for use.

8. Read and follow instructions on compressed gas cylinders, associated

equipment, and CGA publication P-1 listed in Safety Standards.

WARNING

Engines can be dangerous.

WARNING

ENGINE EXHAUST GASES can kill.

Engines produce harmful exhaust gases.

1. Use equipment outside in open, well-ventilated areas.

2. If used in a closed area, vent engine exhaust outside and away from

any building air intakes.

WARNING

ENGINE FUEL can cause ﬁ re or explosion.

Engine fuel is highly ﬂ ammable.

1. Stop engine before checking or adding fuel.

2. Do not add fuel while smoking or if unit is near any sparks or open

ﬂ ames.

3. Allow engine to cool before fueling. If possible, check and add fuel to

cold engine before beginning job.

4. Do not overﬁ ll tank — allow room for fuel to expand.

5. Do not spill fuel. If fuel is spilled, clean up before starting engine.

WARNING

MOVING PARTS can cause injury.

Moving parts, such as fans, rotors, and belts can cut ﬁ ngers and hands

and catch loose clothing.

1. Keep all doors, panels, covers, and guards closed and securely

in place.

2. Stop engine before installing or connecting unit.

3. Have only qualified people remove guards or covers for

maintenance and troubleshooting as necessary.

4. To prevent accidental starting during servicing, disconnect

negative (-) battery cable from battery.

5. Keep hands, hair, loose clothing, and tools away from moving

parts.

6. Reinstall panels or guards and close doors when servicing is

ﬁ nished and before starting engine.

WARNING

SPARKS can cause BATTERY GASES TO EXPLODE; BATTERY

ACID can burn eyes and skin.

Batteries contain acid and generate explosive gases.

1. Always wear a face shield when working on a battery.

2. Stop engine before disconnecting or connecting battery cables.

3. Do not allow tools to cause sparks when working on a battery.

4. Do not use welder to charge batteries or jump start vehicles.

5. Observe correct polarity (+ and –) on batteries.

WARNING

STEAM AND PRESSURIZED HOT COOLANT can burn face,

eyes, and skin.

The coolant in the radiator can be very hot and under

pressure.

1. Do not remove radiator cap when engine is hot. Allow engine to cool.

2. Wear gloves and put a rag over cap area when removing cap.

3. Allow pressure to escape before completely removing cap.

ARCMASTER

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March 31, 20061-4

WARNING

This product, when used for welding or cutting, produces

fumes or gases which contain chemicals know to the State of

California to cause birth defects and, in some cases, cancer.

(California Health & Safety code Sec. 25249.5 et seq.)

NOTE

Considerations About Welding And The Effects of Low

Frequency Electric and Magnetic Fields

The following is a quotation from the General Conclusions Section of the

U.S. Congress, Ofﬁ ce of Technology Assessment, Biological Effects of Power

Frequency Electric & Magnetic Fields - Background Paper, OTA-BP-E-63

(Washington, DC: U.S. Government Printing Ofﬁ ce, May 1989): “...there

is now a very large volume of scientiﬁ c ﬁ ndings based on experiments at

the cellular level and from studies with animals and people which clearly

establish that low frequency magnetic ﬁ elds and interact with, and produce

changes in, biological systems. While most of this work is of very high

quality, the results are complex. Current scientiﬁ c understanding does

not yet allow us to interpret the evidence in a single coherent framework.

Even more frustrating, it does not yet allow us to draw deﬁ nite conclusions

about questions of possible risk or to offer clear science-based advice on

strategies to minimize or avoid potential risks.”

To reduce magnetic fields in the workplace, use the following

procedures.

1. Keep cables close together by twisting or taping them.

2. Arrange cables to one side and away from the operator.

3. Do not coil or drape cable around the body.

4. Keep welding power source and cables as far away from body

as practical.

ABOUT PACEMAKERS:

The above procedures are among those also normally

recommended for pacemaker wearers. Consult your doctor

for complete information.

1.02 Principal Safety Standards

Safety in Welding and Cutting, ANSI Standard Z49.1, from American Welding

Society, 550 N.W. LeJeune Rd., Miami, FL 33126.

Safety and Health Standards, OSHA 29 CFR 1910, from Superintendent of

Documents, U.S. Government Printing Ofﬁ ce, Washington, D.C. 20402.

Recommended Safe Practices for the Preparation for Welding and Cutting

of Containers That Have Held Hazardous Substances, American Welding

Society Standard AWS F4.1, from American Welding Society, 550 N.W.

LeJeune Rd., Miami, FL 33126.

National Electrical Code, NFPA Standard 70, from National Fire Protection

Association, Batterymarch Park, Quincy, MA 02269.

Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1, from

Compressed Gas Association, 1235 Jefferson Davis Highway, Suite 501,

Arlington, VA 22202.

Code for Safety in Welding and Cutting, CSA Standard W117.2, from

Canadian Standards Association, Standards Sales, 178 Rexdale Boulevard,

Rexdale, Ontario, Canada M9W 1R3.

Safe Practices for Occupation and Educational Eye and Face Protection,

ANSI Standard Z87.1, from American National Standards Institute, 1430

Broadway, New York, NY 10018.

Cutting and Welding Processes, NFPA Standard 51B, from National Fire

Protection Association, Batterymarch Park, Quincy, MA 02269.

ARCMASTER

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March 31, 2006 1-5

1.03 Precautions De Securite En Soudage A L’arc

MISE EN GARDE

LE SOUDAGE A L’ARC EST DANGEREUX

PROTEGEZ-VOUS, AINSI QUE LES AUTRES, CONTRE LES BLESSURES GRAVES POSSIBLES OU LA MORT. NE LAISSEZ PAS LES ENFANTS S’APPROCHER,

NI LES PORTEURS DE STIMULATEUR CARDIAQUE (A MOINS QU’ILS N’AIENT CONSULTE UN MEDECIN). CONSERVEZ CES INSTRUCTIONS. LISEZ LE

MANUEL D’OPERATION OU LES INSTRUCTIONS AVANT D’INSTALLER, UTILISER OU ENTRETENIR CET EQUIPEMENT.

Les produits et procédés de soudage peuvent sauser des blessures graves ou la mort, de même que des dommages au reste du matériel et à la propriété,

si l’utilisateur n’adhère pas strictement à toutes les règles de sécurité et ne prend pas les précautions nécessaires.

En soudage et coupage, des pratiques sécuritaires se sont développées suite à l’expérience passée. Ces pratiques doivent être apprises par étude ou

entraînement avant d’utiliser l’equipement. Toute personne n’ayant pas suivi un entraînement intensif en soudage et coupage ne devrait pas tenter de

souder. Certaines pratiques concernent les équipements raccordés aux lignes d’alimentation alors que d’autres s’adressent aux groupes électrogènes.

La norme Z49.1 de l’American National Standard, intitulée “SAFETY IN WELDING AND CUTTING” présente les pratiques sécuritaires à suivre. Ce document

ainsi que d’autres guides que vous devriez connaître avant d’utiliser cet équipement sont présentés à la ﬁ n de ces instructions de sécurité.

SEULES DES PERSONNES QUALIFIEES DOIVENT FAIRE DES TRAVAUX D’INSTALLATION, DE REPARATION, D’ENTRETIEN ET D’ESSAI.

1.04 Dangers relatifs au soudage à l’arc

AVERTISSEMENT

L’ELECTROCUTION PEUT ETRE MORTELLE.

Une décharge électrique peut tuer ou brûler gravement.

L’électrode et le circuit de soudage sont sous tension dès

la mise en circuit. Le circuit d’alimentation et les circuits

internes de l’équipement sont aussi sous tension dès la mise

en marche. En soudage automatique ou semi-automatique

avec ﬁ l, ce dernier, le rouleau ou la bobine de ﬁ l, le logement

des galets d’entrainement et toutes les pièces métalliques

en contact avec le ﬁ l de soudage sont sous tension. Un

équipement inadéquatement installé ou inadéquatement

mis à la terre est dangereux.

1. Ne touchez pas à des pièces sous tension.

2. Portez des gants et des vêtements isolants, secs et non troués.

3. Isolez-vous de la pièce à souder et de la mise à la terre au moyen de

tapis isolants ou autres.

4. Déconnectez la prise d’alimentation de l’équipement ou arrêtez

le moteur avant de l’installer ou d’en faire l’entretien. Bloquez le

commutateur en circuit ouvert ou enlevez les fusibles de l’alimentation

aﬁ n d’éviter une mise en marche accidentelle.

5. Veuillez à installer cet équipement et à le mettre à la terre selon le

manuel d’utilisation et les codes nationaux, provinciaux et locaux

applicables.

6. Arrêtez tout équipement après usage. Coupez l’alimentation de

l’équipement s’il est hors d’usage ou inutilisé.

7. N’utilisez que des porte-électrodes bien isolés. Ne jamais plonger les

porte-électrodes dans l’eau pour les refroidir. Ne jamais les laisser

traîner par terre ou sur les pièces à souder. Ne touchez pas aux porte-

électrodes raccordés à deux sources de courant en même temps.

Ne jamais toucher quelqu’un d’autre avec l’électrode ou le porte-

électrode.

8. N’utilisez pas de câbles électriques usés, endommagés, mal épissés

ou de section trop petite.

9. N’enroulez pas de câbles électriques autour de votre corps.

10. N’utilisez qu’une bonne prise de masse pour la mise à la terre de la

pièce à souder.

11. Ne touchez pas à l’électrode lorsqu’en contact avec le circuit de

soudage (terre).

12. N’utilisez que des équipements en bon état. Réparez ou remplacez

aussitôt les pièces endommagées.

13. Dans des espaces conﬁ nés ou mouillés, n’utilisez pas de source de

courant alternatif, à moins qu’il soit muni d’un réducteur de tension.

Utilisez plutôt une source de courant continu.

14. Portez un harnais de sécurité si vous travaillez en hauteur.

15. Fermez solidement tous les panneaux et les capots.

AVERTISSEMENT

LE RAYONNEMENT DE L’ARC PEUT BRÛLER LES YEUX ET LA

PEAU; LE BRUIT PEUT ENDOMMAGER L’OUIE.

L’arc de soudage produit une chaleur et des rayons

ultraviolets intenses, susceptibles de brûler les yeux et la

peau. Le bruit causé par certains procédés peut endommager

l’ouïe.

1. Portez une casque de soudeur avec ﬁ ltre oculaire de nuance appropriée

(consultez la norme ANSI Z49 indiquée ci-après) pour vous protéger

le visage et les yeux lorsque vous soudez ou que vous observez

l’exécution d’une soudure.

2. Portez des lunettes de sécurité approuvées. Des écrans latéraux sont

recommandés.

3. Entourez l’aire de soudage de rideaux ou de cloisons pour protéger

les autres des coups d’arc ou de l’éblouissement; avertissez les

observateurs de ne pas regarder l’arc.

ARCMASTER

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March 31, 20061-6

4. Portez des vêtements en matériaux ignifuges et durables (laine et cuir)

et des chaussures de sécurité.

5. Portez un casque antibruit ou des bouchons d’oreille approuvés lorsque

le niveau de bruit est élevé.

AVERTISSEMENT

LES VAPEURS ET LES FUMEES SONT DANGEREUSES POUR

LA SANTE.

Le soudage dégage des vapeurs et des fumées dangereuses

à respirer.

1. Eloignez la tête des fumées pour éviter de les respirer.

2. A l’intérieur, assurez-vous que l’aire de soudage est bien ventilée ou

que les fumées et les vapeurs sont aspirées à l’arc.

3. Si la ventilation est inadequate, portez un respirateur à adduction d’air

approuvé.

4. Lisez les ﬁ ches signalétiques et les consignes du fabricant relatives aux

métaux, aux produits consummables, aux revêtements et aux produits

nettoyants.

5. Ne travaillez dans un espace conﬁ né que s’il est bien ventilé; sinon,

portez un respirateur à adduction d’air. Les gaz protecteurs de soudage

peuvent déplacer l’oxygène de l’air et ainsi causer des malaises ou la

mort. Assurez-vous que l’air est propre à la respiration.

6. Ne soudez pas à proximité d’opérations de dégraissage, de nettoyage

ou de pulvérisation. La chaleur et les rayons de l’arc peuvent réagir

avec des vapeurs et former des gaz hautement toxiques et irritants.

7. Ne soudez des tôles galvanisées ou plaquées au plomb ou au cadmium

que si les zones à souder ont été grattées à fond, que si l’espace est

bien ventilé; si nécessaire portez un respirateur à adduction d’air.

Car ces revêtements et tout métal qui contient ces éléments peuvent

dégager des fumées toxiques au moment du soudage.

AVERTISSEMENT

LE SOUDAGE PEUT CAUSER UN INCENDIE OU UNE

EXPLOSION

L’arc produit des étincellies et des projections. Les particules

volantes, le métal chaud, les projections de soudure et

l’équipement surchauffé peuvent causer un incendie et

des brûlures. Le contact accidentel de l’électrode ou du

ﬁ l-électrode avec un objet métallique peut provoquer des

étincelles, un échauffement ou un incendie.

1. Protégez-vous, ainsi que les autres, contre les étincelles et du métal

chaud.

2. Ne soudez pas dans un endroit où des particules volantes ou des

projections peuvent atteindre des matériaux inﬂ ammables.

3. Enlevez toutes matières inﬂ ammables dans un rayon de 10, 7 mètres

autour de l’arc, ou couvrez-les soigneusement avec des bâches

approuvées.

4. Méﬁ ez-vous des projections brulantes de soudage susceptibles de

pénétrer dans des aires adjacentes par de petites ouvertures ou

ﬁ ssures.

5. Méﬁ ez-vous des incendies et gardez un extincteur à portée de la

main.

Opération de coupage

ou soudage

Dimension d'électrode ou

Epiasseur de métal ou

Intensité de courant

Nuance de

filtre oculaire

Opération de coupage

ou soudage

Dimension d'électrode ou

Epiasseur de métal ou

Intensité de courant

Nuance de

filtre oculaire

Brassage tendre

au chalumeau

toutes conditions 2

Soudage á l'arc sous gaz

avec fil plein (GMAW)

Brassage fort

au chalumeau

toutes conditions 3 ou 4 métaux non-ferreux toutes conditions 11

Oxycoupage métaux ferreux toutes conditions 12

mince moins de 1 po. (25 mm) 2 ou 3

Soudage á l'arc sous gaz avec

électrode de tungstène (GTAW)

toutes conditions 12

moyen de 1 á 6 po. (25 á 150 mm) 4 ou 5

Soudage á l'hydrogène

atomique (AHW)

toutes conditions 12

épais plus de 6 po. (150 mm) 5 ou 6

Soudage á l'arc avec

électrode de carbone (CAW)

toutes conditions 12

Soudage aux gaz Soudage á l'arc Plasma (PAW) toutes dimensions 12

mince moins de 1/8 po. (3 mm) 4 ou 5

Gougeage Air-Arc avec

électrode de carbone

moyen de 1/8 á 1/2 po. (3 á 12 mm) 5 ou 6 mince 12

épais plus de 1/2 po. (12 mm) 6 ou 8 épais 14

Soudage á l'arc avec

électrode enrobees

(SMAW)

moins de 5/32 po. (4 mm) 10 Coupage á l'arc Plasma (PAC)

5/32 á 1/4 po. (4 á 6.4 mm) 12 mince moins de 300 amperès 9

plus de 1/4 po. (6.4 mm) 14 moyen de 300 á 400 amperès 12

épais plus de 400 amperès 14

SELECTION DES NUANCES DE FILTRES OCULAIRS POUR LA PROTECTION

DES YEUX EN COUPAGE ET SOUDAGE (selon AWS á 8.2-73)

ARCMASTER

160TS

March 31, 2006 1-7

6. N’oubliez pas qu’une soudure réalisée sur un plafond, un plancher, une

cloison ou une paroi peut enﬂ ammer l’autre côté.

7. Ne soudez pas un récipient fermé, tel un réservoir ou un baril.

8. Connectez le câble de soudage le plus près possible de la zone de

soudage pour empêcher le courant de suivre un long parcours inconnu,

et prévenir ainsi les risques d’électrocution et d’incendie.

9. Ne dégelez pas les tuyaux avec un source de courant.

10. Otez l’électrode du porte-électrode ou coupez le ﬁ l au tube-contact

lorsqu’inutilisé après le soudage.

11. Portez des vêtements protecteurs non huileux, tels des gants en cuir,

une chemise épaisse, un pantalon revers, des bottines de sécurité et

un casque.

AVERTISSEMENT

LES ETINCELLES ET LES PROJECTIONS BRULANTES

PEUVENT CAUSER DES BLESSURES.

Le piquage et le meulage produisent des particules

métalliques volantes. En refroidissant, la soudure peut

projeter du éclats de laitier.

1. Portez un écran facial ou des lunettes protectrices approuvées. Des

écrans latéraux sont recommandés.

2. Portez des vêtements appropriés pour protéger la peau.

AVERTISSEMENT

LES BOUTEILLES ENDOMMAGEES PEUVENT EXPLOSER

Les bouteilles contiennent des gaz protecteurs sous haute

pression. Des bouteilles endommagées peuvent exploser.

Comme les bouteilles font normalement partie du procédé

de soudage, traitez-les avec soin.

1. Protégez les bouteilles de gaz comprimé contre les sources de chaleur

intense, les chocs et les arcs de soudage.

2. Enchainez verticalement les bouteilles à un support ou à un cadre ﬁ xe

pour les empêcher de tomber ou d’être renversées.

3. Eloignez les bouteilles de tout circuit électrique ou de tout soudage.

4. Empêchez tout contact entre une bouteille et une électrode de

soudage.

5. N’utilisez que des bouteilles de gaz protecteur, des détendeurs, des

boyauxs et des raccords conçus pour chaque application spéciﬁ que;

ces équipements et les pièces connexes doivent être maintenus en

bon état.

6. Ne placez pas le visage face à l’ouverture du robinet de la bouteille

lors de son ouverture.

7. Laissez en place le chapeau de bouteille sauf si en utilisation ou lorsque

raccordé pour utilisation.

8. Lisez et respectez les consignes relatives aux bouteilles de gaz

comprimé et aux équipements connexes, ainsi que la publication P-1

de la CGA, identiﬁ ée dans la liste de documents ci-dessous.

AVERTISSEMENT

LES MOTEURS PEUVENT ETRE DANGEREUX

LES GAZ D’ECHAPPEMENT DES MOTEURS PEUVENT ETRE

MORTELS.

Les moteurs produisent des gaz d’échappement nocifs.

1. Utilisez l’équipement à l’extérieur dans des aires ouvertes et bien

ventilées.

2. Si vous utilisez ces équipements dans un endroit conﬁ né, les fumées

d’échappement doivent être envoyées à l’extérieur, loin des prises d’air

du bâtiment.

AVERTISSEMENT

LE CARBURANT PEUR CAUSER UN INCENDIE OU UNE

EXPLOSION.

Le carburant est hautement inﬂ ammable.

1. Arrêtez le moteur avant de vérifier le niveau e

carburant ou de faire le plein.

2. Ne faites pas le plein en fumant ou proche d’une source d’étincelles

ou d’une ﬂ amme nue.

3. Si c’est possible, laissez le moteur refroidir avant de faire le plein de

carburant ou d’en vériﬁ er le niveau au début du soudage.

4. Ne faites pas le plein de carburant à ras bord: prévoyez de l’espace

pour son expansion.

5. Faites attention de ne pas renverser de carburant. Nettoyez tout

carburant renversé avant de faire démarrer le moteur.

AVERTISSEMENT

DES PIECES EN MOUVEMENT PEUVENT CAUSER DES

BLESSURES.

Des pièces en mouvement, tels des ventilateurs, des rotors et

des courroies peuvent couper doigts et mains, ou accrocher

des vêtements amples.

1. Assurez-vous que les portes, les panneaux, les capots et les protecteurs

soient bien fermés.

2. Avant d’installer ou de connecter un système, arrêtez le moteur.

3. Seules des personnes qualiﬁ ées doivent démonter des protecteurs ou

des capots pour faire l’entretien ou le dépannage nécessaire.

4. Pour empêcher un démarrage accidentel pendant l’entretien,

débranchez le câble d’accumulateur à la borne négative.

5. N’approchez pas les mains ou les cheveux de pièces en mouvement;

elles peuvent aussi accrocher des vêtements amples et des outils.

ARCMASTER

160TS

March 31, 20061-8

6. Réinstallez les capots ou les protecteurs et fermez les portes après

des travaux d’entretien et avant de faire démarrer le moteur.

AVERTISSEMENT

DES ETINCELLES PEUVENT FAIRE EXPLOSER UN

ACCUMULATEUR; L’ELECTROLYTE D’UN ACCUMU-LATEUR

PEUT BRULER LA PEAU ET LES YEUX.

Les accumulateurs contiennent de l’électrolyte acide et

dégagent des vapeurs explosives.

1. Portez toujours un écran facial en travaillant sur un accumu-lateur.

2. Arrêtez le moteur avant de connecter ou de déconnecter des câbles

d’accumulateur.

3. N’utilisez que des outils anti-étincelles pour travailler sur un

accumulateur.

4. N’utilisez pas une source de courant de soudage pour charger un

accumulateur ou survolter momentanément un véhicule.

5. Utilisez la polarité correcte (+ et –) de l’accumulateur.

AVERTISSEMENT

LA VAPEUR ET LE LIQUIDE DE REFROIDISSEMENT BRULANT

SOUS PRESSION PEUVENT BRULER LA PEAU ET LES YEUX.

Le liquide de refroidissement d’un radiateur peut être brûlant

et sous pression.

1. N’ôtez pas le bouchon de radiateur tant que le moteur n’est pas

refroidi.

2. Mettez des gants et posez un torchon sur le bouchon pour l’ôter.

3. Laissez la pression s’échapper avant d’ôter complètement le

bouchon.

1.05 Principales Normes De Securite

Safety in Welding and Cutting, norme ANSI Z49.1, American Welding Society,

550 N.W. LeJeune Rd., Miami, FL 33128.

Safety and Health Standards, OSHA 29 CFR 1910, Superintendent of

Documents, U.S. Government Printing Ofﬁ ce, Washington, D.C. 20402.

Recommended Safe Practices for the Preparation for Welding and Cutting

of Containers That Have Held Hazardous Substances, norme AWS F4.1,

American Welding Society, 550 N.W. LeJeune Rd., Miami, FL 33128.

National Electrical Code, norme 70 NFPA, National Fire Protection

Association, Batterymarch Park, Quincy, MA 02269.

Safe Handling of Compressed Gases in Cylinders, document P-1,

Compressed Gas Association, 1235 Jefferson Davis Highway, Suite 501,

Arlington, VA 22202.

Code for Safety in Welding and Cutting, norme CSA W117.2 Association

canadienne de normalisation, Standards Sales, 276 Rexdale Boulevard,

Rexdale, Ontario, Canada M9W 1R3.

Safe Practices for Occupation and Educational Eye and Face Protection,

norme ANSI Z87.1, American National Standards Institute, 1430 Broadway,

New York, NY 10018.

Cutting and Welding Processes, norme 51B NFPA, National Fire Protection

Association, Batterymarch Park, Quincy, MA 02269.

ARCMASTER

160TS

March 31, 2006 2-1

SECTION 2:

INTRODUCTION AND DESCRIPTION

2.01 How To Use This Manual

This Owner’s Manual applies to just speciﬁ cation or part

numbers listed on page i.

To ensure safe operation, read the entire manual, including

the chapter on safety instructions and warnings.

Throughout this manual, the words WARNING, CAUTION, and

NOTE may appear. Pay particular attention to the information

provided under these headings. These special annotations are

easily recognized as follows:

WARNING

A WARNING gives information regarding possible

personal injury.

CAUTION

A CAUTION refers to possible equipment

damage.

NOTE

A NOTE offers helpful information concerning

certain operating procedures.

Additional copies of this manual may be purchased by

contacting Thermal Arc at the address and phone number in

your area listed in the inside back cover of this manual. Include

the Owner’s Manual number and equipment identiﬁ cation

numbers.

Electronic copies of this manual can also be downloaded at

no charge in Acrobat PDF format by going to the

Thermal Arc web site listed below and clicking on the

Literature Library link:

http://www.thermalarc.com

2.02 Equipment Identiﬁ cation

The unit’s identiﬁ cation number (speciﬁ cation or part number),

model, and serial number usually appear on a nameplate

attached to the control panel. In some cases, the nameplate

may be attached to the rear panel. Equipment which does

not have a control panel such as gun and cable assemblies is

identiﬁ ed only by the speciﬁ cation or part number printed on

the shipping container. Record these numbers on the bottom

of page i for future reference.

2.03 Receipt Of Equipment

When you receive the equipment, check it against the invoice

to make sure it is complete and inspect the equipment for

possible damage due to shipping. If there is any damage,

notify the carrier immediately to ﬁ le a claim. Furnish complete

information concerning damage claims or shipping errors to

the location in your area listed in the inside back cover of

this manual.

Include all equipment identiﬁ cation numbers as described

above along with a full description of the parts in error.

Move the equipment to the installation site before un-crating

the unit. Use care to avoid damaging the equipment when

using bars, hammers, etc., to un-crate the unit.

ARCMASTER

160TS

March 31, 20062-2

2.04 Symbol Chart

Note that only some of these symbols will appear on your model.

Gas Tungsten Arc

Welding (GTAW)

Air Carbon Arc

Cutting (CAC-A)

Constant Current

Constant Voltage

Or Constant Potential

High Temperature

Fault Indication

Arc Force

Touch Start (GTAW)

Variable Inductance

Voltage Input

Single Phase

Three Phase

Three Phase Static

Frequency Converter-

Transformer-Rectifier

Dangerous Voltage

Off

Panel/Local

Shielded Metal

Arc Welding (SMAW)

Gas Metal Arc

Welding (GMAW)

Increase/Decrease

Circuit Breaker

AC Auxiliary Power

Remote

Duty Cycle

Percentage

Amperage

Voltage

Hertz (cycles/sec)

Frequency

Negative

Positive

Direct Current (DC)

Protective Earth

(Ground)

Line

Line Connection

Auxiliary Power

Receptacle Rating-

Auxiliary Power

Art # A-04130

115V 15A

IPM

MPM

Fuse

Wire Feed Function

Wire Feed Towards

Workpiece With

Output Voltage Off.

Preflow Time

Postflow Time

Spot Time

Spot Weld Mode

Continuous Weld

Mode

Press to initiate wirefeed and

welding, release to stop.

Purging Of Gas

Inches Per Minute

Meters Per Minute

Disturbance In

Ground System

Welding Gun

Burnback Time

Press and hold for preflow, release

to start arc. Press to stop arc, and

hold for preflow.

4 Step Trigger

Operation

2 Step Trigger

Operation

ARCMASTER

160TS

March 31, 2006 2-3

2.05 Description

The Thermal Arc™ ArcMaster 160TS is a self contained single-phase DC arc welding power source with Constant Current (CC)

output characteristics. This unit is equipped with a Digital Volt/Amperage Meter, gas control valve, built in Sloper and Pulser,

lift arc starter, and high-frequency arc starter for use with Gas Tungsten Arc Welding (GTAW), Gas Tungsten Arc Welding-Pulsed

(GTAW-P) Gas Tungsten Arc Welding-Sloped (GTAW-S), and Shielded Metal Arc Welding (SMAW) processes. The power source

is totally enclosed in an impact resistant, ﬂ ame resistant and non-conductive plastic case.

160A5A (A)

(V)

OC V

160A25A (A)

(V)

OC V

10V

160A (A)

(V)

OC V

STICK Process LIFT TIG Process HF TIG Process

Figure 1 - ArcMaster 160TS Volt-Ampere curve

NOTE

Volt-Ampere curves show the maximum Voltage and Amperage output capabilities of the welding power source.

Curves of other settings will fall between the curves shown.

2.06 Functional Block Diagrams

Figure 2 illustrates the functional block diagram of the 160TS power supply.

Figure 2 - 160TS Functional Block Diagram

ARCMASTER

160TS

March 31, 20062-4

2.07 Transporting Methods

These units are equipped with a handle for carrying

purposes.

WARNING

ELECTRIC SHOCK can kill. DO NOT TOUCH

live electrical parts. Disconnect input power

conductors from de-energized supply line before

moving the welding power source.

WARNING

FALLING EQUIPMENT can cause serious personal

injury and equipment damage.

Lift unit with handle on top of case.

Use handcart or similar device of adequate capacity.

If using a fork lift vehicle, place and secure unit on a proper

skid before transporting.

2.08 Installation Recommendations

• Environment

The ArcMaster 160TS is designed for use in adverse

environments.

Examples of environments with increased adverse conditions

are -

a. In locations in which freedom of movement is restricted,

so that the operator is forced to perform the work in a

cramped (kneeling, sitting or lying) position with physical

contact with conductive parts,

b. In locations which are fully or partially limited by

conductive elements, and in which there is a high risk

of unavoidable or accidental contact by the operator,

c. In wet or damp hot locations where humidity or

perspiration considerably reduces the skin resistance

of the human body and the insulation properties of

accessories.

Environments with adverse conditions do not include places

where electrically conductive parts are in the near vicinity of

the operator, which can cause increased hazard, have been

insulated.

• Location

Be sure to locate the welder according to the following

guidelines:

• In areas free from moisture and dust.

• Ambient temperature between 0 degrees C to 40

degrees C.

• In areas free from oil, steam and corrosive gases.

• In areas not subjected to abnormal vibration or shock.

• In areas not exposed to direct sunlight or rain.

• Place at a distance of 12” (304.79mm) or more from

walls or similar that could restrict natural airﬂ ow for

cooling.

WARNING

Thermal Arc advises that this equipment be

electrically connected by a qualiﬁ ed electrician.

• Electrical Input Connections

WARNING

ELECTRIC SHOCK can kill; SIGNIFICANT DC

VOLTAGE is present after removal of input

power.

DO NOT TOUCH live electrical parts.

SHUT DOWN welding power source, disconnect input power

employing lockout/tagging procedures. Lockout/tagging

procedures consist of padlocking line disconnect switch in

open position, removing fuses from fuse box, or shutting

off and red-tagging circuit breaker or other disconnecting

device.

• Electrical Input Requirements

Operate the welding power source from a single-phase 50/60

Hz, AC power supply. The input voltage must match one of the

electrical input voltages shown on the input data label on the

unit nameplate. Contact the local electric utility for information

about the type of electrical service available, how proper

connections should be made, and inspection required.

The line disconnect switch provides a safe and convenient

means to completely remove all electrical power from the

welding power supply whenever necessary to inspect or

service the unit.

ARCMASTER

160TS

March 31, 2006 2-5

NOTE

TThis unit is equipped with a 115 VAC (NEMA

5-15) plug modeled on the two-conductor with

earth power cable that is connected at the welding

power source for single phase electrical input

power. For 230 VAC operation, have a qualiﬁ ed

person install according to applicable codes, and

instructions.

Do not connect an input (WHITE or BLACK) conductor to the

ground terminal.

Do not connect the ground (GREEN) conductor to an input

line terminal.

Refer to ﬁ gure 3 and:

1. Connect end of ground (GREEN) conductor to a suitable

ground. Use a grounding method that complies with all

applicable electrical codes.

2. Connect ends of line 1 (BLACK) and line 2 (WHITE) input

conductors to a de-energized line disconnect switch.

3. Use Table 1 and Table 2 as a guide to select line fuses

for the disconnect switch.

Input Voltage Fuse Size

115 VAC 40 Amps

230 VAC 40 Amps

Table 1 - Electrical Input Connections

NOTE

Fuse size is based on not more than 200 percent of the rated input amperage of the welding power source (Based

on Article 630, National Electrical Code).

Figure 3 - Electrical Input Connections

ARCMASTER

160TS

March 31, 20062-6

• Input Power

Each unit incorporates an INRUSH circuit and input voltage sensing circuit. When the MAIN CIRCUIT SWITCH is turned on, the

inrush circuit provides a pre-charging of the input capacitors. SCR’s in the Power Control Assembly (PCA) will turn on after the

input capacitors have charged to full operating voltage (after approximately 5 seconds).

NOTE

Note the available input power. Damage to the PCA could occur if 460VAC or higher is applied.

The following 115/230V Primary Current recommendations are required to obtain the maximum welding current and duty

cycle from this welding equipment:

Model

Primary Supply Lead Size

(Factory Fitted)

Minimum Primary

Current Circuit Size

(Vin/Amps)

Current & Duty Cycle

TIG STICK

ArcMaster 160TS 12/3 AWG minimum

115/22 85A @ 100% -

208/28

160A @ 35%

230/25 -

115/39 - 85A @ 100%

208/44 - 160A @ 35%

230/39 -

Table 2 – 115/230V Primary Current Circuit sizes to achieve maximum current

• High Frequency Introduction

The importance of correct installation of high frequency

welding equipment cannot be over-emphasized. Interference

due to high frequency initiated or stabilized arc is almost

invariably traced to improper installation. The following

information is intended as a guide for personnel installing

high frequency welding machines.

Warning

Explosives

The high frequency section of this machine has

an output similar to a radio transmitter. The

machine should NOT be used in the vicinity

of blasting operations due to the danger of

premature ﬁ ring.

Computers

It is also possible that operation close to computer

installations may cause computer malfunction.

• High Frequency Interference

Interference may be transmitted by a high frequency initiated

or stabilized arc welding machine in the following ways:

Direct Radiation

Radiation from the machine can occur if the case is

metal and is not properly grounded. It can occur through

apertures such as open access panels. The shielding of

the high frequency unit in the Power Source will prevent

direct radiation if the equipment is properly grounded.

Transmission via the Supply Lead

Without adequate shielding and ﬁ ltering, high frequency

energy may be fed to the wiring within the installation

(mains) by direct coupling. The energy is then transmitted

by both radiation and conduction. Adequate shielding and

ﬁ ltering is provided in the Power Source.

Radiation from Welding Leads

Radiated interference from welding leads, although

pronounced in the vicinity of the leads, diminishes

rapidly with distance. Keeping leads as short as possible

will minimize this type of interference. Looping and

suspending of leads should be avoided where possible.

Re-radiation from Unearthed Metallic Objects

A major factor contributing to interference is re-radiation

from unearthed metallic objects close to the welding

leads. Effective grounding of such objects will prevent

re-radiation in most cases.

La page charge ...

ESAB 160 TS ARCMASTER® Inverter Arc Welder Manuel utilisateur

Marque: ESAB

Modèle: 160 TS ARCMASTER® Inverter Arc Welder

Catégorie: Système de soudage

Taper: Manuel utilisateur

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