Miller M-100 GUN Le manuel du propriétaire

Marque: Miller

Modèle: M-100 GUN

Catégorie: Système de soudage

Taper: Le manuel du propriétaire

Ce manuel convient également à

MA000000

OM-246379B 2018−09

Processes

Description

MIG (GMAW) Welding

Semi-Automatic Air-Cooled MIG

(GMAW) Welding Gun

Flux Cored (FCAW) Welding

M-100 Gun

File: MIG (GMAW)

For product information,

Owner’s Manual translations,

and more, visit

www.MillerWelds.com

Miller Electric manufactures a full line

of welders and welding related equipment.

For information on other quality Miller

products, contact your local Miller distributor to receive the latest full

line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at

www.MillerWelds.com on the web.

Thank you and congratulations on choosing Miller. Now you can get

the job done and get it done right. We know you don’t have time to do

it any other way.

That’s why when Niels Miller first started building arc welders in 1929,

he made sure his products offered long-lasting value and superior

quality. Like you, his customers couldn’t afford anything less. Miller

products had to be more than the best they could be. They had to be the

best you could buy.

Today, the people that build and sell Miller products continue the

tradition. They’re just as committed to providing equipment and service

that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your

Miller products. Please take time to read the Safety precautions. They

will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick

and easy. With Miller you can count on years

of reliable service with proper maintenance.

And if for some reason the unit needs repair,

there’s a Troubleshooting section that will

help you figure out what the problem is. The

parts list will then help you to decide the

exact part you may need to fix the problem.

Warranty and service information for your

particular model are also provided.

Miller is the first welding

equipment manufacturer in

the U.S.A. to be registered to

the ISO 9001 Quality System

Standard.

Working as hard as you do

− every power source from

Miller is backed by the most

hassle-free warranty in the

business.

From Miller to You

Mil_Thank 2017−06

TABLE OF CONTENTS

SECTION 1 −SAFETY PRECAUTIONS FOR GMAW WELDING GUNS − READ BEFORE USING 1......

1-1. Symbol Usage 1.......................................................................

1-2. Arc Welding Hazards 1.................................................................

1-3. Proposition 65 Warnings 2..............................................................

1-4. Principal Safety Standards 2............................................................

1-5. EMF Information 2.....................................................................

SECTION 2 − MESURES DE SÉCURITÉ VISANT LES PISTOLETS DE SOUDAGE GMAW − À LIRE AVANT

UTILISATION 3..............................................................................

2-1. Signification des symboles 3............................................................

2-2. Dangers relatifs au soudage à l’arc 3.....................................................

2-3. Proposition californienne 65 Avertissements 4..............................................

2-4. Principales normes de sécurité 4.........................................................

2-5. Informations relatives aux CEM 4........................................................

SECTION 2 − INSTALLATION 5................................................................

2-1. Specifications 5.......................................................................

2-2. Duty Cycle And Overheating 5...........................................................

2-3. Installing Gun 6.......................................................................

SECTION 3 − OPERATION 6..................................................................

3-1. Operating The Gun 6...................................................................

SECTION 4 − MAINTENANCE & TROUBLESHOOTING 7.........................................

4-1. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun Casing 7........

4-2. Replacing Switch And/Or Head Tube 8....................................................

4-3. Routine Maintenance 9.................................................................

4-4. Troubleshooting 9.....................................................................

SECTION 5 − PARTS LIST 10...................................................................

WARRANTY

OM-246379 Page 1

SECTION 1 −SAFETY PRECAUTIONS FOR GMAW

WELDING GUNS − READ BEFORE USING

SR7 (MIG) 2018-01

Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions.

1-1. Symbol Usage

DANGER! − Indicates a hazardous situation which, if

not avoided, will result in death or serious injury. The

possible hazards are shown in the adjoining symbols

or explained in the text.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury. The possible

hazards are shown in the adjoining symbols or ex-

plained in the text.

NOTICE − Indicates statements not related to personal injury.

. Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC

SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-

bols and related instructions below for necessary actions to avoid the

hazards.

1-2. Arc Welding Hazards

The symbols shown below are used throughout this manual

to call attention to and identify possible hazards. When you

see the symbol, watch out, and follow the related instructions

to avoid the hazard. The safety information given below is

only a summary of the more complete safety information

found in the welding power source Owner’s Manual. Read

and follow all Safety Standards.

Only qualified persons should install, operate, maintain, and

repair this equipment. A qualified person is defined as one

who, by possession of a recognized degree, certificate, or

professional standing, or who by extensive knowledge, train-

ing and experience, has successfully demonstrated ability to

solve or resolve problems relating to the subject matter, the

work, or the project and has received safety training to recog-

nize and avoid the hazards involved.

During operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

D Always wear dry insulating gloves.

D Insulate yourself from work and ground.

D Do not touch live electrode or electrical parts.

D Replace worn, damaged, or cracked guns or cables.

D Turn off welding power source before changing contact tip or gun

parts.

D Keep all covers and handle securely in place.

FUMES AND GASES can be hazardous.

D Keep your head out of the fumes.

D Ventilate area, or use breathing device. The

recommended way to determine adequate

ventilation is to sample for the composition and quantity of fumes

and gases to which personnel are exposed.

D Read and understand the Safety Data Sheets (SDSs) and the

manufacturer’s instructions for adhesives, coatings, cleaners,

consumables, coolants, degreasers, fluxes, and metals.

MOVING PARTS can injure.

D Keep away from moving parts.

D Keep away from pinch points such as drive

rolls.

WELDING can cause fire or explosion.

D Do not weld near flammable material.

D Do not weld on containers that have held com-

bustibles, or on closed containers such as

tanks, drums, or pipes unless they are properly prepared ac-

cording to AWS F4.1 and AWS A6.0 (see Safety Standards).

D Watch for fire; keep extinguisher nearby.

D Read and understand the Safety Data Sheets (SDSs) and the

manufacturer’s instructions for adhesives, coatings, cleaners,

consumables, coolants, degreasers, fluxes, and metals.

BUILDUP OF GAS can injure or kill.

D Shut off compressed gas supply when not in

use.

D Always ventilate confined spaces or use ap-

proved air-supplied respirator.

Arc rays from the welding process produce intense

visible and invisible (ultraviolet and infrared) rays

that can burn eyes and skin. Sparks fly off from the

weld.

ARC RAYS can burn eyes and skin.

D Wear an approved welding helmet fitted with a proper shade of filter

lenses to protect your face and eyes from arc rays and sparks

when welding or watching (see ANSI Z49.1 and Z87.1 listed in

Safety Standards).

D Wear approved safety glasses with side shields under your

helmet.

D Use protective screens or barriers to protect others from flash,

glare and sparks; warn others not to watch the arc.

D Wear body protection made from durable, flame-resistant material

(leather, heavy cotton, wool). Body protection includes oil-free

clothing such as leather gloves, heavy shirt, cuffless trousers, high

shoes, and a cap.

HOT PARTS can burn.

D Allow gun to cool before touching.

D Do not touch hot metal.

D Protect hot metal from contact by others.

OM-246379 Page 2

NOISE can damage hearing.

Noise from some processes or equipment can

damage hearing.

D Check for noise level limits exceeding those

specified by OSHA.

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

D Warn others nearby about noise hazard.

WELDING WIRE can injure.

D Keep hands and body away from gun tip when

trigger is pressed.

READ INSTRUCTIONS.

D Read and follow all labels and the Owner’s

Manual carefully before installing, operating, or

servicing unit. Read the safety information at

the beginning of the manual and in each

section.

D Use only genuine replacement parts from the manufacturer.

D Perform installation, maintenance, and service according to the

Owner’s Manuals, industry standards, and national, state, and

local codes.

1-3. Proposition 65 Warnings

WARNING: This product can expose you to chemicals in-

cluding lead, which are known to the state of California to

cause cancer and birth defects or other reproductive

harm.

For more information, go to www.P65Warnings.ca.gov.

1-4. Principal Safety Standards

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

is available as a free download from the American Welding Society at

http://www.aws.org or purchased from Global Engineering Documents

(phone: 1-877-413-5184, website: www.global.ihs.com).

Safe Practice For Occupational And Educational Eye And Face Protec-

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

25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web-

site: www.ansi.org).

Safe Practices for the Preparation of Containers and Piping for Welding

and Cutting, American Welding Society Standard AWS F4.1, from Glob-

al Engineering Documents (phone: 1-877-413-5184, website: www.glo-

bal.ihs.com).

Safe Practices for Welding and Cutting Containers that have Held Com-

bustibles, American Welding Society Standard AWS A6.0, from Global

Engineering Documents (phone: 1-877-413-5184,

website: www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec-

tion Association, Quincy, MA 02169 (phone: 1-800-344-3555, website:

www.nfpa.org and www. sparky.org).

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

from Compressed Gas Association, 14501 George Carter Way, Suite

103, Chantilly, VA 20151 (phone: 703-788-2700, website:

www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard

W117.2, from Canadian Standards Association, Standards Sales, 5060

Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5NS

(phone: 800-463-6727, website: www.csagroup.org).

Safe Practice For Occupational And Educational Eye And Face Protec-

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

25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web-

site: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, NFPA Standard 51B, from National Fire Protection Association,

Quincy, MA 02169 (phone: 1-800-344-3555, website: www.nfpa.org).

OSHA, Occupational Safety and Health Standards for General Indus-

try, Title 29, Code of Federal Regulations (CFR), Part 1910.177 Subpart

N, Part 1910 Subpart Q, and Part 1926, Subpart J, from U.S. Govern-

ment Printing Office, Superintendent of Documents, P.O. Box 371954,

Pittsburgh, PA 15250-7954 (phone: 1-866-512-1800) (there are 10 OS-

HA Regional Offices—phone for Region 5, Chicago, is 312-353-2220,

website: www.osha.gov).

1-5. EMF Information

Electric current flowing through any conductor causes localized electric

and magnetic fields (EMF). The current from arc welding (and allied pro-

cesses including spot welding, gouging, plasma arc cutting, and induc-

tion heating operations) creates an EMF field around the welding circuit.

EMF fields can interfere with some medical implants, e.g. pacemakers.

Protective measures for persons wearing medical implants have to be

taken. For example, restrict access for passers−by or conduct individu-

al risk assessment for welders. All welders should use the following pro-

cedures in order to minimize exposure to EMF fields from the welding

circuit:

1. Keep cables close together by twisting or taping them, or using a

cable cover.

2. Do not place your body between welding cables. Arrange cables

to one side and away from the operator.

3. Do not coil or drape cables around your body.

4. Keep head and trunk as far away from the equipment in the

welding circuit as possible.

5. Connect work clamp to workpiece as close to the weld as

possible.

6. Do not work next to, sit or lean on the welding power source.

7. Do not weld whilst carrying the welding power source or wire

feeder.

About Implanted Medical Devices:

Implanted Medical Device wearers should consult their doctor and the

device manufacturer before performing or going near arc welding, spot

welding, gouging, plasma arc cutting, or induction heating operations.

If cleared by your doctor, then following the above procedures is recom-

mended.

OM-246379 Page 3

SECTION 2 − MESURES DE SÉCURITÉ VISANT LES

PISTOLETS DE SOUDAGE GMAW − À LIRE AVANT

UTILISATION

SR7(MIG)_2018−01_fre

Pour écarter les risques de blessure pour vous−même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives

aux précautions de sécurité et au mode opératoire.

2-1. Signification des symboles

DANGER! − Indique une situation dangereuse qui si on

l’évite pas peut donner la mort ou des blessures graves.

Les dangers possibles sont montrés par les symboles

joints ou sont expliqués dans le texte.

Indique une situation dangereuse qui si on l’évite pas

peut donner la mort ou des blessures graves. Les dan-

gers possibles sont montrés par les symboles joints ou

sont expliqués dans le texte.

AVIS − Indique des déclarations pas en relation avec des blessures

personnelles.

. Indique des instructions spécifiques.

Ce groupe de symboles veut dire Avertissement! Attention! DANGER

DE CHOC ELECTRIQUE, PIECES EN MOUVEMENT, et PIECES

CHAUDES. Consulter les symboles et les instructions ci-dessous y

afférant pour les actions nécessaires afin d’éviter le danger.

2-2. Dangers relatifs au soudage à l’arc

Les symboles présentés ci-après sont utilisés tout au long du

présent manuel pour attirer votre attention et identifier les ris-

ques de danger. Lorsque vous voyez un symbole, soyez vigilant

et suivez les directives mentionnées afin d’éviter tout danger.

Les consignes de sécurité présentées ci-après ne font que résu-

mer l’information contenue dans les normes de sécurité énumé-

rées dans le manuel d’utilisation du poste de soudage. Veuillez

lire et respecter toutes ces normes de sécurité.

L’installation, l’utilisation, l’entretien et les réparations ne

doivent être confiés qu’à des personnes qualifiées. Une

personne qualifiée est définie comme celle qui, par la

possession d’un diplôme reconnu, d’un certificat ou d’un

statut professionnel, ou qui, par une connaissance, une for-

mation et une expérience approfondies, a démontré avec

succès sa capacité à résoudre les problèmes liés à la tâche,

le travail ou le projet et a reçu une formation en sécurité afin

de reconnaître et d’éviter les risques inhérents.

Au cours de l’utilisation, tenir toute personne à l’écart et plus

particulièrement les enfants.

UN CHOC ÉLECTRIQUE peut tuer.

D Porter toujours des gants secs et isolants.

D S’isoler de la pièce et de la terre.

D Ne jamais toucher une électrode ou des pièces

électriques sous tension.

D Remplacer les pistolets ou câbles de soudage qui sont endom-

magés, usés ou craquelés.

D Mettre la soudeuse hors tension avant de remplacer un bec

contact ou des pièces de pistolet.

D S’assurer que tous les couvercles et poignées sont fermement

assujettis.

LES VAPEURS ET LES FUMÉES

peuvent être nocives.

D Éloigner sa tête des endroits renfermant des

vapeurs.

D Aérer la zone de travail ou porter un appareil respiratoire. Pour dé-

terminer la bonne ventilation, il est recommandé de procéder à un

prélèvement pour la composition et la quantité de fumées et de gaz

auxquels est exposé le personnel.

D Lire et comprendre les fiches de données de sécurité et les instruc-

tions du fabricant concernant les adhésifs, les revêtements, les net-

toyants, les consommables, les produits de refroidissement, les

dégraisseurs, les flux et les métaux.

LE SOUDAGE peut causer un in-

cendie ou une explosion.

D Ne pas souder à proximité de matériaux inflam-

mables.

D Ne pas effectuer le soudage sur des conteneurs fermés tels que

des réservoirs, tambours, ou conduites, à moins qu’ils n’aient été

préparés correctement conformément à AWS F4.1 et AWS A6.0

(voir les Normes de Sécurité).

D Prendre garde aux incendies et toujours avoir un extincteur à

proximité.

D Lire et comprendre les fiches de données de sécurité et les

instructions du fabricant concernant les adhésifs, les revêtements,

les nettoyants, les consommables, les produits de refroidissement,

les dégraisseurs, les flux et les métaux.

L’ACCUMULATION DE VAPEURS

peut causer des lésions ou la mort.

D Quand on n’utilise pas le gaz comprimé de pro-

tection, fermer le robinet de la bouteille.

D Assurer toujours la ventilation des zones fermées ou utiliser un

appareil respiratoire avec alimentation en air.

Les PIÈCES MOBILES peuvent

causer des blessures.

D Ne pas s’approcher des organes mobiles.

D Ne pas s’approcher des points de coincement

tels que des rouleaux de commande.

LE RAYONNEMENT DE L’ARC peut

brûler les yeux et la peau.

Le rayonnement de l’arc du procédé de soudage

génère des rayons visibles et invisibles intenses

(ultraviolets et infrarouges) susceptibles de provoquer des brûlures

dans les yeux et sur la peau. Des étincelles sont projetées pendant le

soudage.

D Porter un casque de soudage approuvé muni de verres filtrants

approprié pour protéger visage et yeux pendant le soudage

(voir ANSI Z49.1 et Z87.1 énuméré dans les normes de sécurité).

D Porter des lunettes de sécurité avec écrans latéraux même sous

votre casque.

OM-246379 Page 4

D Avoir recours à des écrans protecteurs ou à des rideaux pour

protéger les autres contre les rayonnements les éblouissements

et les étincelles ; prévenir toute personne sur les lieux de ne pas

regarder l’arc.

D Porter un équipement de protection pour le corps fait d’un matériau

résistant et ignifuge (cuir, coton robuste, laine). La protection du

corps comporte des vêtements sans huile comme par ex. des

gants de cuir, une chemise solide, des pantalons sans revers, des

chaussures hautes et une casquette.

LES PIÈCES CHAUDES peuvent

provoquer des brûlures.

D Laisser refroidir le pistolet avant de le toucher.

D Ne pas toucher d’objets métalliques chauds.

D Abriter les objets métalliques contre tout

contact par les personnes à proximité.

Le BRUIT peut endommager l’ouie.

Le bruit des processus et des équipements peut

affecter l’ouïe.

D Vérifier si les niveaux de bruit excèdent les lim-

ites spécifiées par l’OSHA.

D Utiliser des bouche-oreilles ou des serre-tête antibruit approuvés si

le niveau de bruit est élevé.

D Avertir les personnes à proximité au sujet du danger inhérent au

bruit.

LES FILS DE SOUDAGE peuvent

provoquer des blessures.

D Éloigner les mains et le corps de la buse du

pistolet après avoir appuyé sur la gâchette.

LIRE LES INSTRUCTIONS.

D Lire et appliquer les instructions sur les

étiquettes et le Mode d’emploi avant

l’installation, l’utilisation ou l’entretien de

l’appareil. Lire les informations de sécurité au

début du manuel et dans chaque section.

D N’utiliser que les pièces de rechange recommandées par le cons-

tructeur.

D Effectuer l’installation, l’entretien et toute intervention selon les

manuels d’utilisateurs, les normes nationales, provinciales et de

l’industrie, ainsi que les codes municipaux.

2-3. Proposition californienne 65 Avertissements

AVERTISSEMENT : ce produit peut vous exposer à des

produits chimiques tels que le plomb, reconnus par l’État de

Californie comme cancérigènes et sources de malformations

ou d’autres troubles de la reproduction.

Pour plus d’informations, consulter www.P65Warnings.ca.gov.

2-4. Principales normes de sécurité

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

is available as a free download from the American Welding Society at

http://www.aws.org or purchased from Global Engineering Documents

(phone: 1-877-413-5184, website: www.global.ihs.com).

Safe Practice For Occupational And Educational Eye And Face Protec-

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

25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web-

site: www.ansi.org).

Safe Practices for the Preparation of Containers and Piping for Welding

and Cutting, American Welding Society Standard AWS F4.1, from Glob-

al Engineering Documents (phone: 1-877-413-5184, website: www.glo-

bal.ihs.com).

Safe Practices for Welding and Cutting Containers that have Held Com-

bustibles, American Welding Society Standard AWS A6.0, from Global

Engineering Documents (phone: 1-877-413-5184,

website: www.global.ihs.com).

National Electrical Code, NFPA Standard 70, from National Fire Protec-

tion Association, Quincy, MA 02169 (phone: 1-800-344-3555, website:

www.nfpa.org and www. sparky.org).

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

from Compressed Gas Association, 14501 George Carter Way, Suite

103, Chantilly, VA 20151 (phone: 703-788-2700, website:

www.cganet.com).

Safety in Welding, Cutting, and Allied Processes, CSA Standard

W117.2, from Canadian Standards Association, Standards Sales, 5060

Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5NS

(phone: 800-463-6727, website: www.csagroup.org).

Safe Practice For Occupational And Educational Eye And Face Protec-

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

25 West 43rd Street, New York, NY 10036 (phone: 212-642-4900, web-

site: www.ansi.org).

Standard for Fire Prevention During Welding, Cutting, and Other Hot

Work, NFPA Standard 51B, from National Fire Protection Association,

Quincy, MA 02169 (phone: 1-800-344-3555, website: www.nfpa.org).

OSHA, Occupational Safety and Health Standards for General Indust-

ry, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,

and Part 1926, Subpart J, auprès du U.S. Government Printing Office,

Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA

15250-7954 (téléphone : 1-866-512-1800) (il y a 10 bureaux régiona-

ux––le téléphone de la région 5, Chicago, est 3123532220, site Internet

: www.osha.gov).

2-5. Informations relatives aux CEM

Le courant électrique qui traverse tout conducteur génère des champs

électromagnétiques (CEM) à certains endroits. Le courant de soudage

crée un CEM autour du circuit et du matériel de soudage. Le courant

issu d’un soudage à l’arc (et de procédés connexes, y compris le

soudage par points, le gougeage, le découpage plasma et les

opérations de chauffage par induction) crée un champ

électromagnétique (CEM) autour du circuit de soudage. Les champs

électromagnétiques produits peuvent causer interférence à certains

implants médicaux, p. ex. les stimulateurs cardiaques. Des mesures de

protection pour les porteurs d’implants médicaux doivent être prises:

Limiter par exemple tout accès aux passants ou procéder à une

évaluation des risques individuels pour les soudeurs. Tous les

soudeurs doivent appliquer les procédures suivantes pour minimiser

l’exposition aux CEM provenant du circuit de soudage:

1 Rassembler les câbles en les torsadant ou en les attachant avec

du ruban adhésif ou avec une housse.

2 Ne pas se tenir au milieu des câbles de soudage. Disposer les

câbles d’un côté et à distance de l’opérateur.

3 Ne pas courber et ne pas entourer les câbles autour de votre

corps.

4 Maintenir la tête et le torse aussi loin que possible du matériel du

circuit de soudage.

5 Connecter la pince sur la pièce aussi près que possible de la

soudure.

6 Ne pas travailler à proximité d’une source de soudage, ni

s’asseoir ou se pencher dessus.

7 Ne pas souder tout en portant la source de soudage ou le

dévidoir.

En ce qui concerne les implants médicaux :

Les porteurs d’implants doivent d’abord consulter leur médecin avant

de s’approcher des opérations de soudage à l’arc, de soudage par

points, de gougeage, du coupage plasma ou de chauffage par

induction. Si le médecin approuve, il est recommandé de suivre les pro-

cédures précédentes.

OM-246 379 Page 5

SECTION 3 − INSTALLATION

3-1. Specifications

Ref. 243 838-A

Air-Cooled Welding Gun For GMAW And FCAW Welding

Note: Using gasless flux cored wire reduces gun duty cycle.

M-100 Feeds .023 To .045 in. (0.6 To 1.1 mm) Hard Or Flux Cored Wires

Duty Cycle Rating:

100%: 100 A With CO

Shielding Gas

60%: 100 A With Mixed Gases

Weight With 10 ft (3 m) Power Cable: 3.5 lb (1.6 kg)

NOTICE − Exceeding duty cycle

can damage unit and void warranty.

Overheating

A or V

Reduce Duty Cycle

Minutes

sduty1 5/95

3-2. Duty Cycle And Overheating

Duty Cycle is percentage of 10

minutes that gun can weld at

rated load without overheating.

Minutes

Definition

Continuous Welding

.023 To .045 in. (0.6 To 1.1 mm)

Hard Or Flux Cored Wires

100% Duty Cycle At 100 Amperes

Using CO

.023 To .045 in. (0.6 To 1.1 mm) Hard Or Flux Cored Wires

60% Duty Cycle At 100 Amperes

Using Mixed Gases

6 Minutes Welding 4 Minutes Resting

. See Section 3-1. Specifications for amperage rating and duty cycle.

OM-246 379 Page 6

3-3. Installing Gun

243 861-A

1 Gun Securing Knob

2 Gun End

Loosen knob. Insert gun end until it

bottoms against drive assembly.

Tighten knob.

3 Gun Trigger Plug

Insert into receptacle, and tighten

threaded collar.

4 Friction Terminals

Some applications will require

cutting off trigger plug and installing

0.250 female friction terminals onto

end of leads.

See power source manual for

threading procedure.

SECTION 4 − OPERATION

4-1. Operating The Gun

Ref. 243 838-A

1 Trigger Switch

When pressed, energized wire

feeds and shielding gas flows.

OM-246 379 Page 7

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun

Casing

Ref. 243 839-A

! Turn off welding power

source/wire feeder.

1 Nozzle

2 Contact Tip

3 Tip Adapter

. Wire size stamped on tip − check

and match wire size.

Tools Needed:

8 mm, 10 mm

Lay gun cable out

straight before

installing new liner.

Remove nozzle,

contact tip, and

adapter.

Unscrew and

remove liner.

Blow out

gun casing.

Cut off wire and

disconnect gun

from feeder.

5/8 in.

(16 mm)

Liner

Stickout

Install

Liner

. Thread wire according to

welding power source/wire

feeder manual.

Reassemble gun in

reverse order from

taking it apart.

10 mm

Head

Tube

8 mm

OM-246 379 Page 8

5-2. Replacing Switch And/Or Head Tube

Ref. 243 840-A

Tools Needed:

15 mm

Remove screws (5)

and nuts (4).

Remove handle halves.

Hand-tighten head tube into cable connector.

Place head tube in vice and tighten until

nuts are tight.

Remove from vice. Reposition handle halves, and

install switch housing.

! Turn Off welding power source

/wire feeder and disconnect gun.

Remove switch housing. Install new

switch and connect leads (polarity is

not important). Reassemble in

reverse order. If replacing head tube,

continue to end of figure.

Remove screw on

opposite side.

Secure head

tube in vice.

Loosen jam nut.

Remove from vice

and turn head tube

out by hand.

phillips

Reinstall screws

and nuts.

Reinstall screw on

opposite side.

OM-246 379 Page 9

5-3. Routine Maintenance

! Turn Off welding power source and disconnect gun before maintaining.

Each Spool Of Wire

Blow Out

Gun

Casing

Clean

Nozzle

And Check

Contact Tip

3 Months

Control

Cord

Gas

Hose

Replace

Cracked

Parts

5-4. Troubleshooting

Trouble Remedy

Wire does not feed; wire is not ener-

gized; wire feeds unevenly.

Check contact tip. Check for kinks in gun cable and liner.

Check gun trigger plug connection at welding power source/wire feeder.

Check, and if necessary, replace gun trigger switch (see Section 5-2).

Check contact tip. Check for kinks in gun cable. Blow out liner and gun casing (see Section 5-1).

Weld porosity.

Remove weld spatter buildup in nozzle.

Check O-rings on gun connector and replace if damaged.

Make sure inner head tube is tight in cable connector.

Check gun connector to be sure it is fully inserted into drive assembly.

Check shielding gas flow/supply.

Wire feeding stops or does not feed

properly during welding.

Straighten gun cable and/or replace damaged parts (see Section 5-1).

Adjust drive roll pressure (see wire feeder manual).

Change to proper drive roll groove (see wire feeder manual).

Readjust hub tension (see wire feeder manual).

Clean or replace liner if dirty or plugged (see Section 5-1).

Replace drive roll or pressure bearing if worn or slipping (see wire feeder manual).

OM-246 379 Page 10

SECTION 6 − PARTS LIST

246 375-A

Figure 6-1. M-100 Gun

Description

Part

No.

Dia.

Mkgs.

Item

No.

Figure 6-1. M-100 Gun

Quantity

1 246 372 NOZZLE, slip type .500 orf flush 1... .......... .. ......................................

1 +226 190 NOZZLE, flux cored slip type 1... ......... .. .........................................

2 +087 299 TIP, contact scr .023 wire x 1.125 1... ......... .. .....................................

2 +000 067 TIP, contact scr .030 wire x 1.125 1... ......... .. .....................................

2 +000 068 TIP, contact scr .035 wire x 1.125 1... ......... .. .....................................

2 +000 069 TIP, contact scr .045 wire x 1.125 1... ......... .. .....................................

3 170 470 RING, retaining 1... .......... .. .....................................................

4 169 716 ADAPTER, contact tip 1... .......... .. ...............................................

5 246 373 TUBE, head 1... .......... .. ........................................................

6 243 865 NUT, jam 2... .......... .. ..........................................................

7 246 082 HANDLE 1... .......... .. ...........................................................

8 246 376 SWITCH, trigger 1... .......... .. ....................................................

9 079 878 HOUSING PLUG & PINS 1... .......... .. ............................................

10 242 833 CONNECTOR, feeder 1... .......... .. ...............................................

11 079 974 O-RING, .500 ID x .103CS rbr 2... .......... .. ........................................

12 +194 010 LINER, monocoil .023/.025 wire x 15ft (consisting of) 1... ......... .. ....................

12 +194 011 LINER, monocoil .030/.035 wire x 15ft (consisting of) 1... ......... .. ....................

12 +194 012 LINER, monocoil .035/.045 wire x 15ft (consisting of) 1... ......... .. ....................

13 079 975 O-RING, .187 ID x .103CS rbr 1... .......... .... ......................................

14 246 380 HOUSING, power pin M−100 1... .......... .. .........................................

+OPTIONAL

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested

Replacement Parts. Model is required when ordering parts from your local distributor.

Effective January 1, 2018

(Equipment with a serial number preface of MJ or newer)

This limited warranty supersedes all previous Miller warranties and is exclusive with no other

guarantees or warranties expressed or implied.

LIMITED WARRANTY − Subject to the terms and conditions below,

Miller Electric Mfg. LLC, Appleton, Wisconsin, warrants to its original

retail purchaser that new Miller equipment sold after the effective date of

this limited warranty is free of defects in material and workmanship at

the time it is shipped by Miller. THIS WARRANTY IS EXPRESSLY IN

LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,

INCLUDING THE WARRANTIES OF MERCHANTABILITY AND

FITNESS.

Within the warranty periods listed below, Miller will repair or replace any

warranted parts or components that fail due to such defects in material

or workmanship. Miller must be notified in writing within thirty (30) days

of such defect or failure, at which time Miller will provide instructions on

the warranty claim procedures to be followed. If notification is submitted

as an online warranty claim, the claim must include a detailed

description of the fault and the troubleshooting steps taken to identify

failed components and the cause of their failure.

Miller shall honor warranty claims on warranted equipment listed below

in the event of such a failure within the warranty time periods. All

warranty time periods start on the delivery date of the equipment to the

original end-user purchaser, and not to exceed twelve months after the

equipment is shipped to a North American distributor or eighteen

months after the equipment is shipped to an International distributor.

1. 5 Years Parts — 3 Years Labor

* Original Main Power Rectifiers Only to Include SCRs,

Diodes, and Discrete Rectifier Modules

2. 3 Years — Parts and Labor

* Auto-Darkening Helmet Lenses (Except Classic

Series) (No Labor)

* Engine Driven Welder/Generators

(NOTE: Engines are Warranted Separately by the

Engine Manufacturer.)

* Inverter Power Sources

* Plasma Arc Cutting Power Sources

* Process Controllers

* Semi-Automatic and Automatic Wire Feeders

* Transformer/Rectifier Power Sources

3. 2 Years — Parts and Labor

* Auto-Darkening Helmet Lenses − Classic Series Only

(No Labor)

* Auto-Darkening Weld Masks (No Labor)

* Fume Extractors − Capture 5, Filtair 400 and Industrial

Collector Series

4. 1 Year — Parts and Labor Unless Specified

* AugmentedArc and LiveArc Welding Systems

* Automatic Motion Devices

* Bernard BTB Air-Cooled MIG Guns (No Labor)

* CoolBelt and CoolBand Blower Unit (No Labor)

* Desiccant Air Dryer System

* External Monitoring Equipment and Sensors

* Field Options

(NOTE: Field options are covered for the remaining

warranty period of the product they are installed in,

or for a minimum of one year — whichever is

greater.)

* RFCS Foot Controls (Except RFCS-RJ45)

* Fume Extractors − Filtair 130, MWX and SWX Series

* HF Units

* ICE/XT Plasma Cutting Torches (No Labor)

* Induction Heating Power Sources, Coolers

(NOTE: Digital Recorders are Warranted

Separately by the Manufacturer.)

* Load Banks

* Motor-Driven Guns (except Spoolmate Spoolguns)

* PAPR Blower Unit (No Labor)

* Positioners and Controllers

* Racks

* Running Gear/Trailers

* Spot Welders

* Subarc Wire Drive Assemblies

* TIG Torches (No Labor)

* Tregaskiss Guns (No Labor)

* Water Cooling Systems

* Wireless Remote Foot/Hand Controls and Receivers

* Work Stations/Weld Tables (No Labor)

5. 6 Months — Parts

* Batteries

6. 90 Days — Parts

* Accessory (Kits)

* Canvas Covers

* Induction Heating Coils and Blankets, Cables, and

Non-Electronic Controls

* M-Guns

* MIG Guns, Subarc (SAW) Torches, and External

Cladding Heads

* Remote Controls and RFCS-RJ45

* Replacement Parts (No labor)

* Spoolmate Spoolguns

Miller’s True Blue® Limited Warranty shall not apply to:

1. Consumable components; such as contact tips,

cutting nozzles, contactors, brushes, relays, work

station table tops and welding curtains, or parts that

fail due to normal wear. (Exception: brushes and

relays are covered on all engine-driven products.)

2. Items furnished by Miller, but manufactured by others,

such as engines or trade accessories. These items are

covered by the manufacturer’s warranty, if any.

3. Equipment that has been modified by any party other than

Miller, or equipment that has been improperly installed,

improperly operated or misused based upon industry

standards, or equipment which has not had reasonable

and necessary maintenance, or equipment which has

been used for operation outside of the specifications for

the equipment.

MILLER PRODUCTS ARE INTENDED FOR COMMERCIAL AND

INDUSTRIAL USERS TRAINED AND EXPERIENCED IN THE USE

AND MAINTENANCE OF WELDING EQUIPMENT.

The exclusive remedies for warranty claims are, at Miller’s option,

either: (1) repair; or (2) replacement; or, if approved in writing by

Miller, (3) the pre-approved cost of repair or replacement at an

authorized Miller service station; or (4) payment of or credit for the

purchase price (less reasonable depreciation based upon use).

Products may not be returned without Miller’s written approval.

Return shipment shall be at customer’s risk and expense.

The above remedies are F.O.B. Appleton, WI, or Miller’s authorized

service facility. Transportation and freight are the customer’s

responsibility. TO THE EXTENT PERMITTED BY LAW, THE

REMEDIES HEREIN ARE THE SOLE AND EXCLUSIVE

REMEDIES REGARDLESS OF THE LEGAL THEORY. IN NO

EVENT SHALL MILLER BE LIABLE FOR DIRECT, INDIRECT,

SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES

(INCLUDING LOSS OF PROFIT) REGARDLESS OF THE LEGAL

THEORY. ANY WARRANTY NOT PROVIDED HEREIN AND ANY

IMPLIED WARRANTY, GUARANTY, OR REPRESENTATION,

INCLUDING ANY IMPLIED WARRANTY OF

MERCHANTABILITY OR FITNESS FOR PARTICULAR

PURPOSE, ARE EXCLUDED AND DISCLAIMED BY MILLER.

Some US states do not allow limiting the duration of an implied

warranty or the exclusion of certain damages, so the above

limitations may not apply to you. This warranty provides specific

legal rights, and other rights may be available depending on your

state. In Canada, some provinces provide additional warranties or

remedies, and to the extent the law prohibits their waiver, the

limitations set out above may not apply. This Limited Warranty

provides specific legal rights, and other rights may be available, but

may vary by province.

Warranty Questions?

Call

1-800-4-A-MILLER

for your local

Miller distributor.

miller_warr 2018-01

Your distributor also gives

you ...

Service

You always get the fast,

reliable response you

need. Most replacement

parts can be in your

hands in 24 hours.

Support

Need fast answers to the

tough welding questions?

Contact your distributor.

The expertise of the

distributor and Miller is

there to help you, every

step of the way.

Miller Electric Mfg. LLC

An Illinois Tool Works Company

1635 West Spencer Street

Appleton, WI 54914 USA

International Headquarters−USA

USA Phone: 920-735-4505 Auto-Attended

USA & Canada FAX: 920-735-4134

International FAX: 920-735-4125

For International Locations Visit

www.MillerWelds.com

Model Name Serial/Style Number

Purchase Date (Date which equipment was delivered to original customer.)

Distributor

Address

City

State Zip

Please complete and retain with your personal records.

Always provide Model Name and Serial/Style Number.

Contact a DISTRIBUTOR or SERVICE AGENCY near you.

Welding Supplies and Consumables

Options and Accessories

Personal Safety Equipment

Service and Repair

Replacement Parts

Training (Schools, Videos, Books)

Technical Manuals (Servicing Information

and Parts)

Circuit Diagrams

Welding Process Handbooks

Contact the Delivering Carrier to:

For Service

Owner’s Record

File a claim for loss or damage during

shipment.

For assistance in filing or settling claims, contact

your distributor and/or equipment manufacturer’s

Transportation Department.

Contact your Distributor for:

To locate a Distributor or Service Agency visit

www.millerwelds.com or call 1-800-4-A-Miller

Miller M-100 GUN Le manuel du propriétaire

Marque: Miller

Modèle: M-100 GUN

Catégorie: Système de soudage

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