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
Miller is the first welding
equipment manufacturer in
the U.S.A. to be registered to
the ISO 9001 Quality System
Standard.
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 catalog 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.
figure out what the problem is. The parts list
will then help you to decide which exact part
you may need to fix the problem. Warranty and
service information for your particular model
are also provided.
Working as hard as you do
– every power source from
Miller is backed by the most
hassle-free warranty in the
business.
Miller offers a Technical
Manual which provides
more detailed service and
parts information for your
unit. T o obtain a Technical
Manual, contact your local
distributor. Y our distributor
can also supply you with
Welding Process Manuals
such as SMAW, GTAW,
GMAW, and GMA W-P.
WARNING
This product, when used
for welding or cutting,
produces fumes or
gases which contain
chemicals known to the
State of California to
cause birth defects and,
in some cases, cancer.
(California Health &
Safety Code Section
25249.5 et seq.)
WARNING
Battery posts, terminals
and related accessories
contain lead and lead
compounds, chemicals
known to the State of
California to cause
cancer and birth defects
or other reproductive
harm. Wash hands after
handling.
WARNING
The engine exhaust from
this product contains
chemicals known to the
State of California to
cause cancer, birth
defects, or other
reproductive harm.
The following terms are
used interchangeably
throughout this manual:
TIG = GTA W
Stick = SMAW
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING
rom _nd_11/98
1-1.Symbol Usage
Means Warning! Watch Out! There are possible hazards
with this procedure! The possible hazards are shown in
the adjoining symbols.
Marks a special safety message.
Means “Note”; not safety related.
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 Safety Standards listed in Section 1-5. Read and follow all
Safety Standards.
Only qualified persons should install, operate, maintain, and
repair this unit.
During operation, keep everybody, especially children, away.
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.
Do not touch live electrical parts.
Wear dry, hole-free insulating gloves and body protection.
Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
Do not use AC output in damp areas, if movement is confined, or if
there is a danger of falling.
Use AC output ONLY if required for the welding process.
If AC output is required, use remote output control if present on
unit.
Disconnect input power or stop engine before installing or
servicing this equipment. Lockout/tagout input power according to
OSHA 29 CFR 1910.147 (see Safety Standards).
Properly install and ground this equipment according to its
Owner’s Manual and national, state, and local codes.
Always verify the supply ground – check and be sure that input
power cord ground wire is properly connected to ground terminal in
disconnect box or that cord plug is connected to a properly
grounded receptacle outlet.
When making input connections, attach proper grounding conduc-
tor first – double-check connections.
Frequently inspect input power cord for damage or bare wiring –
replace cord immediately if damaged – bare wiring can kill.
Turn off all equipment when not in use.
Do not use worn, damaged, undersized, or poorly spliced cables.
Do not drape cables over your body.
If earth grounding of the workpiece is required, ground it directly
with a separate cable.
Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
This group of symbols means Warning! Watch Out! possible
ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.
Consult symbols and related instructions below for necessary actions
to avoid the hazards.
Wear a safety harness if working above floor level.
Keep all panels and covers securely in place.
Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
Do not connect more than one electrode or work cable to any
single weld output terminal.
SIGNIFICANT DC VOLTAGE exists after stopping
engine on inverters.
Stop engine on inverter and discharge input capacitors according
to instructions in Maintenance Section before touching any parts.
ARC RAYS can burn eyes and skin.
Arc rays from the welding process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin. Sparks fly of f from t h e
weld.
Wear a welding helmet fitted with a proper shade of filter 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).
Wear approved safety glasses with side shields under your
helmet.
Use protective screens or barriers to protect others from flash and
glare; warn others not to watch the arc.
Wear protective clothing made from durable, flame-resistant mate-
rial (wool and leather) and foot protection.
FUMES AND GASES can be hazardous.
Welding produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
Keep your head out of the fumes. Do not breathe the fumes.
If inside, ventilate the area and/or use exhaust at the arc to remove
welding fumes and gases.
If ventilation is poor, use an approved air-supplied respirator.
Read the Material Safety Data Sheets (MSDSs) and the
manufacturer’s instructions for metals, consumables, coatings,
cleaners, and degreasers.
Work in a confined space only if it is well ventilated, or while
wearing an air-supplied respirator. Always have a trained watchperson nearby. Welding fumes and gases can displace air and
lower th e oxygen level causing injury or death. Be sure the breathing air is safe.
Do not weld in locations near degreasing, cleaning, or spraying op-
erations. The heat and rays of the arc can react with vapors to form
highly toxic and irritating gases.
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.
OM-477 Page 1
WELDING can cause fire or explosion.
HOT PARTS can cause severe burns.
Welding on closed containers, such as tanks,
drums, or pipes, can cause them to blow up. Sparks
can fly off from the welding arc. The flying sparks, hot
workpiece, and hot equipment can cause fires and
burns. Accidental contact of electrode to metal objects can cause
sparks, explosion, overheating, or fire. Check and be sure the area is
safe before doing any welding.
Protect yourself and others from flying sparks and hot metal.
Do not weld where flying sparks can strike flammable material.
Remove all flammables within 35 ft (10.7 m) of the welding arc. If
this is not possible, tightly cover them with approved covers.
Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
Watch for fire, and keep a fire extinguisher nearby.
Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
Do not weld on closed containers such as tanks, drums, or pipes,
unless they are properly prepared according to AWS F4.1 (see
Safety Standards).
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 fire hazards.
Do not use welder to thaw frozen pipes.
Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
FLYING METAL can injure eyes.
Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
Wear approved safety glasses with side
shields even under your welding helmet.
BUILDUP OF GAS can injure or kill.
Shut off shielding gas supply when not in use.
Always ventilate confined spaces or use ap-
proved air-supplied respirator.
Allow cooling period before maintaining.
Wear protective gloves and clothing when
working on a hot engine.
Do not touch hot engine parts or just-welded
parts bare-handed.
NOISE can damage hearing.
Noise from some processes or equipment can
damage hearing.
Wear approved ear protection if noise level is
high.
MAGNETIC FIELDS can affect pacemakers.
Pacemaker wearers keep away.
Wearers should consult their doctor before
going near arc welding, gouging, or spot
welding operations.
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.
Protect compressed gas cylinders from excessive heat, mechani-
cal shocks, slag, open flames, sparks, and arcs.
Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
Keep cylinders away from any welding or other electrical circuits.
Never drape a welding torch over a gas cylinder.
Never allow a welding electrode to touch any cylinder.
Never weld on a pressurized cylinder – explosion will result.
Use only correct shielding gas cylinders, regulators, hoses, and fit-
tings designed for the specific application; maintain them and
associated parts in good condition.
Turn face away from valve outlet when opening cylinder valve.
Keep protective cap in place over valve except when cylinder is in
use or connected for use.
Read and follow instructions on compressed gas cylinders,
associated equipment, and CGA publication P-1 listed in Safety
Standards.
1-3.Engine Hazards
FUEL can cause fire or explosion.
Stop engine and let it cool of f before checking or
adding fuel.
Do not add fuel while smoking or if unit is near
any sparks or open flames.
Do not overfill tank – allow room for fuel to expand.
Do not spill fuel. If fuel is spilled, clean up before starting engine.
Dispose of rags in a fireproof container.
OM-477 Page 2
STEAM AND HOT COOLANT can burn.
If possible, check coolant level when engine is
cold to avoid scalding.
Always check coolant level at overflow tank, if
present on unit, instead of radiator (unless told
otherwise in maintenance section or engine
manual).
If the engine is warm, checking is needed, and
there is no overflow tank, follow the next two
statements.
Wear safety glasses and gloves and put a rag over radiator cap.
Turn cap slightly and let pressure escape slowly before completely
removing cap.
MOVING PARTS can cause injury.
Keep away from fans, belts, and rotors.
Keep all doors, panels, covers, and guards
closed and securely in place.
Stop engine before installing or connecting unit.
Have only qualified people remove guards or covers for maint-
enance and troubleshooting as necessary.
To prevent accidental starting during servicing, disconnect
negative ( –) battery cable from battery.
Keep hands, hair, loose clothing, and tools away from moving
parts.
Reinstall panels or guards and close doors when servicing is
finished and before starting engine.
Before working on generator, remove spark plugs or injectors to
keep engine from kicking back or starting.
Block flywheel so that it will not turn while working on generator
components.
BATTERY EXPLOSION can BLIND.
Always wear a face shield, rubber gloves, and
protective clothing when working on a battery.
Stop engine before disconnecting or connect-
ing battery cables or servicing battery.
Do not allow tools to cause sparks when working on a battery.
Do not use welder to charge batteries or jump start vehicles.
Observe correct polarity (+ and –) on batteries.
Disconnect negative (–) cable first and connect it last.
BATTERY ACID can BURN SKIN and
EYES.
Do not tip battery.
Replace damaged battery.
Flush eyes and skin immediately with water.
ENGINE EXHAUST GASES can kill.
Use equipment outside in open, well-ventilated
areas.
If used in a closed area, vent engine exhaust
outside and away from any building air intakes.
ENGINE HEAT can cause fire.
Do not locate unit on, over, or near combustible
surfaces or flammables.
Keep exhaust and exhaust pipes way from
flammables.
EXHAUST SPARKS can cause fire.
Do not let engine exhaust sparks cause fire.
Use approved engine exhaust spark arrestor in
required areas – see applicable codes.
1-4.Additional Symbols For Installation, Operation, And Maintenance
FALLING UNIT can cause injury.
Use lifting eye to lift unit only, NOT running
gear, gas cylinders, trailer, or any other
accessories.
Use equipment of adequate capacity to lift and
support unit.
If using lift forks to move unit, be sure forks are long enough to
extend beyond opposite side of unit.
FLYING SPARKS can cause injury.
Wear a face shield to protect eyes and face.
Shape tungsten electrode only on grinder with
proper guards in a safe location wearing proper
face, hand, and body protection.
Sparks can cause fires — keep flammables away.
OVERHEATING can damage motors.
Turn off or unplug equipment before starting or
stopping engine.
Do not let low voltage and frequency caused by
low engine speed damage electric motors.
Do not connect 50 or 60 Hertz motors to the 100 Hertz receptacle
where applicable.
OVERUSE can cause OVERHEATING.
Allow cooling period; follow rated duty cycle.
Reduce current or reduce duty cycle before
starting to weld again.
Do not block or filter airflow to unit.
STATIC (ESD) can damage PC boards.
Put on grounded wrist strap BEFORE handling
boards or parts.
Use proper static-proof bags and boxes to
store, move, or ship PC boards.
TILTING OF TRAILER can cause injury.
Use tongue jack or blocks to support weight.
Properly install welding generator onto trailer
according to instructions supplied with trailer.
READ INSTRUCTIONS.
Use only genuine MILLER replacement parts.
Perform engine maintenance and service
according to this manual and the engine
manual.
OM-477 Page 3
H.F. RADIATION can cause interference.
ARC WELDING can cause interference.
High-frequency (H.F.) can interfere with radio
navigation, safety services, computers, and
communications equipment.
Have only qualified persons familiar with
electronic equipment perform this installation.
The user is responsible for having a qualified electrician prompt-
ly correct any interference problem resulting from the installation.
If notified by the FCC about interference, stop using the
equipment at once.
Have the installation regularly checked and maintained.
Keep high-frequency source doors and panels tightly shut, keep
spark gaps at correct setting, and use grounding and shielding to
minimize the possibility of interference.
1-5.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 Office, 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.
Electromagnetic energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
Be sure all equipment in the welding area is
electromagnetically compatible.
To reduce possible interference, keep weld cables as short as
possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive elec-
tronic equipment.
Be sure this welding machine is installed and grounded
according t o this manual.
If interference still occurs, the user must take extra measures
such as moving the welding machine, using shielded cables,
using line filters, or shielding the work area.
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 FaceProtection, 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.
1-6.EMF Information
Considerations About Welding And The Effects Of Low Frequency
Electric And Ma g netic Fields
Welding current, as it flows through welding cables, will cause electromagnetic fields. There has been and still is some concern about such
fields. However, after examining more than 500 studies spanning 17
years of research, a special blue ribbon committee of the National
Research Council concluded that: “The body of evidence, in the
committee’s judgment, has not demonstrated that exposure to power-
frequency electric and magnetic fields is a human-health hazard.”
However, studies are still going forth and evidence continues to be
examined. Until the final conclusions of the research are reached, you
may wish to minimize your exposure to electromagnetic fields when
welding or cutting.
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 cables around your body.
4. Keep welding power source and cables as far away from
operator as practical.
5. Connect work clamp to workpiece as close to the weld as possible.
About Pacemakers:
Pacemaker wearers consult your doctor first. If cleared by your doctor,
then following the above procedures is recommended.
OM-477 Page 4
SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT
UTILISATION
rom _nd_fre 11/98
1-1.Signification des symboles
Signifie Mise en garde ! Soyez vigilant ! Cette procédure
présente des risques de danger ! Ceux-ci sont identifiés
par des symboles adjacents aux directives.
Identifie un message de sécurité particulier.
Signifie NOTA ; n’est pas relatif à la sécurité.
1-2.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 risques de danger. Lorsque vous voyez un symbole, soyez
vigilant e t suivez les directives mentionnées afin d’éviter tout
danger. Les consignes de sécurité présentées ci-après ne font
que résumer l’information contenue dans les normes de sécurité énumérées à la section 1-5. 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.
Au cours de l’utilisation, tenir toute personne à l’écart et plus
particulièrement les enfants.
UN CHOC ÉLECTRIQUE peut tuer.
Un simple contact avec des pièces électriques peut
provoquer une électrocution ou des blessures graves.
L’électrode et le circuit de soudage sont sous tension dès
que l’appareil est sur ON. Le circuit d’entrée et les circuits
moment-là. En soudage semi-automatique ou automatique, le fil, le dévidoir, le
logement des galets d’entraînement et les pièces métalliques en contact avec
le fil de soudage sont sous tension. Des matériels mal installés ou mal mis à la
terre présentent un danger.
Ne jamais toucher les pièces électriques sous tension.
Porter des gants et des vêtements de protection secs ne comportant pas
de trous.
S’isoler de la pièce et de la terre au moyen de tapis ou d’autres moyens iso-
lants suffisamment grands pour empêcher le contact physique éventuel
avec la pièce ou la terre.
Ne pas se servir de source électrique àcourant électrique dans les zones
humides, dans les endroits confinés ou là où on risque de tomber.
Se servir d’une source électrique àcourant électrique UNIQUEMENT si le
procédé de soudage le demande.
Si l’utilisation d’une source électrique àcourant électrique s’avère néces-
saire, se servir de la fonction de télécommande si l’appareil en est équipé.
Couper l ’alimentation ou arrêter le moteur avant de procéder à l’installation,
à la réparation ou à l’entretien de l’appareil. Déverrouiller l’alimentationselon la norme OSHA 29 CFR 1910.147 (voir normes de sécurité).
Installer et mettre à la terre correctement cet appareil conformément à son
manuel d’utilisation et aux codes nationaux, provinciaux et municipaux.
Toujours vérifier la terre du cordon d’alimentation – Vérifier et s’assurer que
le fil de terre du cordon d’alimentation est bien raccordé à la borne de terre
du sectionneur ou que la fiche du cordon est raccordée à une prise
correctement mise à la terre.
En effectuant les raccordements d’entrée fixer d’abord le conducteur de
mise à la terre approprié et contre-vérifier les connexions.
Vérifier fréquemment le cordon d’alimentation pour voir s’il n’est pas en-
dommagé ou dénudé – remplacer le cordon immédiatement s’il est
endommagé – un câble dénudé peut provoquer une électrocution.
Mettre l’appareil hors tension quand on ne l’utilise pas.
Ne pas utiliser des câbles usés, endommagés, de grosseur insuffisante ou
mal épissés.
Ne pas enrouler les câbles autour du corps.
Si la pièce soudée doit être mise à la terre, le faire directement avec un
câble distinct – ne pas utiliser le connecteur de pièce ou le câble de retour.
Ne pas toucher l’électrode quand on est en contact avec la pièce, la terre ou
une électrode provenant d’une autre machine.
internes de l’appareil sont également sous tension à ce
Ce groupe de symboles signifie Mise en garde ! Soyez vigilant ! Il y a des
risques de danger reliés aux CHOCS ÉLECTRIQUES, aux PIÈCES EN
MOUVEMENT et aux PIÈCES CHAUDES. Reportez-vous aux symboles
et aux directives ci-dessous afin de connaître les mesures à prendre pour
éviter tout danger.
N’utiliser qu’un matériel en bon état. Réparer ou remplacer sur-le-champ
les pièces endommagées. Entretenir l’appareil conformément à ce
manuel.
Porter un harnais de sécurité quand on travaille en hauteur.
Maintenir solidement en place tous les panneaux et capots.
Fixer le c âble de retour de façon à obtenir un bon contact métal-métal avec
la pièce à souder ou la table de travail, le plus près possible de la soudure.
Isoler la pince de masse quand pas mis à la pièce pour éviter le contact
avec tout objet métallique.
Une tension DC importante subsiste à l’intérieur
des onduleurs après avoir coupé l’alimentation.
Couper l’alimentation du poste et décharger les condensateurs d’entrée
comme indiqué dans la Section Maintenance avant de toucher des composants.
LES RAYONS DE L’ARC peuvent pro-
voquer des brûlures dans les yeux et
sur la peau.
Le rayonnement de l’arc du procédé de soudage génère
infrarouges) susceptibles de provoquer des brûlures dans les yeux et sur la
peau. Des étincelles sont projetées pendant le soudage.
Porter u n casque de soudage muni d’un écran de filtre approprié pour pro-
téger votre visage et vos yeux pendant le soudage ou pour regarder (voir
ANSI Z49.1 et Z87.1 énuméré dans les normes de sécurité).
Porter des protections approuvés pour les oreilles si le niveau sondre est
trop élevé.
Utiliser des écrans ou des barrières pour protéger des tiers de l’éclair et de
l’éblouissement; demander aux autres personnes de ne pas regarder l’arc.
Porter des vêtements de protection constitué dans une matière durable, ré-
sistant au feu (laine ou cuir) et une protection des pieds.
des rayons visibles et invisibles intenses (ultraviolets et
LES FUMÉES ET LES GAZ peuvent
être dangereux.
Le soudage génère des fumées et des gaz. Leur inhalation
peut être dangereux pour votre santé.
Eloigner votre tête des fumées. Ne pas respirer les fumées.
À l’interieur, ventiler la zone et/ou utiliser un échappement au niveau de
l’arc pour l’évacuation des fumées et des gaz de soudage.
Si la ventilation est insuffisante, utiliser un respirateur à alimentation d’air
homologué.
Lire les spécifications de sécurité des matériaux (MSDSs) et les instruc-
tions du fabricant concernant les métaux, les consommables, les
revêtements, les nettoyants et les dégraisseurs.
T ravailler dans un espace fermé seulement s’il est bien ventilé ou en por-
tant un respirateur à alimentation d’air. Demander toujours à un surveillant
dûment formé de se tenir à proximité. Des fumées et des gaz de soudage
peuvent déplacer l’air et abaisser le niveau d’oxygène provoquant des
blessures ou des accidents mortels. S’assurer que l’air de respiration ne
présente aucun danger.
Ne pas souder dans des endroits situés à proximité d’opérations de dé-
graissage, de nettoyage ou de pulvérisation. La chaleur et les rayons de
l’arc peuvent réagir en présence de vapeurs et former des gaz hautement
toxiques et irritants.
Ne pas souder des métaux munis d’un revêtement, tels que l’acier galvani-
sé, plaqué en plomb ou au cadmium à moins que le revêtement n’ait été
enlevé dans la zone de soudure, que l’endroit soit bien ventilé, et si nécessaire, en portant un respirateur à alimentation d’air. Les revêtements et
tous les métaux renfermant ces éléments peuvent dégager des fumées
toxiques en cas de soudage.
OM-477 Page 5
LE SOUDAGE peut provoquer un incendie ou une explosion.
DES PIÈCES CHAUDES peuvent
provoquer des brûlures graves.
Le soudage effectué sur des conteneurs fermés tels que
des réservoirs, tambours ou des conduites peut provoquer
l’arc de soudure. La projection d’étincelles, des pièces chaudes et des
équipements chauds peut provoquer des incendies et des brûlures. Le contact
accidentel de l’électrode avec des objets métalliques peut provoquer des
étincelles, une explosion, un surchauffement ou un incendie. Avant de
commencer le soudage, vérifier et s’assurer que l’endroit ne présente pas de
danger.
Se protéger et d’autres personnes de la projection d’étincelles et de métal
chaud.
Ne pas souder dans un endroit là où des étincelles peuvent tomber sur des
substances inflammables.
Déplacer toutes les substances inflammables à une distance de 10,7 m de
l’arc de soudage. En cas d’impossibilité les recouvrir soigneusement avec
des protections homologués.
Des étincelles et des matériaux chauds du soudage peuvent facilement
passer dans d’autres zones en traversant de petites fissures et des
ouvertures.
Surveiller tout déclenchement d’incendie et tenir un extincteur à proximité.
Le soudage effectué sur un plafond, plancher, paroi ou séparation peut dé-
clencher un incendie de l’autre côté.
Ne pas effectuer le soudage sur des conteneurs fermés tels que des réser-
voirs, tambours, ou conduites, à moins qu’ils n’aient été préparés
correctement conformément à AWS F4.1 (voir les normes de sécurité).
Brancher l e c âble sur la pièce le plus près possible de la zone de soudage
pour éviter le transport du courant sur une longue distance par des chemins inconnus éventuels en provoquant des risques d’électrocution et
d’incendie.
Ne pas utiliser le poste de soudage pour dégeler des conduites gelées.
En cas de non utilisation, enlever la baguette d’électrode du porte-électro-
de ou couper le fil à la pointe de contact.
Porter des vêtements de protection dépourvus d’huile tels que des gants
en cuir, une chemise en matériau lourd, des pantalons sans revers, des
chaussures hautes et un couvre chef.
Avant de souder, retirer toute substance combustible de vos poches telles
qu’un allumeur au butane ou des allumettes.
leur éclatement. Des étincelles peuvent être projetées de
DES PARTICULES VOLANTES
peuvent blesser les yeux.
Le soudage, l’écaillement, le passage de la pièce
à la brosse en fil de fer, et le meulage génèrent
lantes. Pendant la période de refroidissement des soudures, elles ris-
quent de projeter du laitier.
Porter des lunettes de sécurité avec écrans latéraux ou un écran facial.
des étincelles et des particules métalliques vo-
LES ACCUMULATIONS DE GAZ risquent de provoquer des blessures ou
même la mort.
Fermer l’alimentation du gaz protecteur en cas de
non utilisation.
Veiller toujours à bien aérer les espaces confinés ou se servir d’un respi-
rateur d’adduction d’air homologué.
Prévoir u n e p ériode de refroidissement avant d’effec-
tuer des travaux d’entretien.
Porter des gants et des vêtements de protection pour
travailler sur un moteur chaud.
Ne pas toucher à mains nues les parties chaudes du moteur ni les pièces
récemment soudées.
LE BRUIT peut affecter l’ouïe.
Le bruit des processus et des équipements peut affecter
l’ouïe.
Porter des protections approuvés pour les oreilles si
le niveau sondre est trop élevé.
LES CHAMPS MAGNÉTIQUES peuvent
affecter les stimulateurs cardiaques.
Porteurs d e stimulateur cardiaque, restez à distance.
Les porteurs d’un stimulateur cardiaque doivent
d’abord consulter leur médecin avant de s’approcher
des opérations de soudage à l’arc, de gougeage ou
de soudage par points.
Si des BOUTEILLES sont endommagées, elles pourront exploser.
Des bouteilles de gaz protecteur contiennent du gaz sous
haute pression. Si une bouteille est endommagée, elle peut
exploser. Du fait que les bouteilles de gaz font normalement partie du procédé de soudage, les manipuler avec
précaution.
Protéger les bouteilles de gaz comprimé d’une chaleur excessive, des
chocs mécaniques, du laitier, des flammes ouvertes, des étincelles et des
arcs.
Placer les bouteilles debout en les fixant dans un support stationnaire ou
dans un porte-bouteilles pour les empêcher de tomber ou de se renverser .
Tenir les bouteilles éloignées des circuits de soudage ou autres circuits
électriques.
Ne jamais placer une torche de soudage sur une bouteille à gaz.
Une électrode de soudage ne doit jamais entrer en contact avec une bou-
teille.
Ne jamais souder une bouteille pressurisée – risque d’explosion.
Utiliser seulement des bouteilles de gaz protecteur, régulateurs, tuyaux et
raccords convenables pour cette application spécifique; les maintenir ainsi
que les éléments associés en bon état.
Ne pas tenir la tête en face de la sortie en ouvrant la soupape de la bouteille.
Maintenir le chapeau de protection sur la soupape, sauf en cas d’utilisation
ou de branchement de la bouteille.
Lire et suivre les instructions concernant les bouteilles de gaz comprimé,
les équipements associés et les publication P-1 CGA énumérées dans les
normes de sécurité.
1-3.Dangers existant en relation avec le moteur
LE CARBURANT MOTEUR peut provoquer un incendie ou une explosion.
Arrêter le moteur avant de vérifier le niveau de carbu-
rant ou de faire le plein.
Ne pas faire le plein en fumant ou proche d’une sour-
Ne pas faire le plein de carburant à ras bord; prévoir de l’espace pour son
expansion.
Faire attention de ne pas renverser de carburant. Nettoyer tout carbu-
rant renversé avant de faire démarrer le moteur.
Jeter les chiffons dans un récipient ignifuge.
OM-477 Page 6
ce d’étincelles ou d’une flamme nue.
Toujours vérifier le niveau de liquide de refroidissement dans le vase
Si le moteur est chaud et que le liquide doit être vérifié, opérer comme
Mettre des lunettes de sécurité et des gants, placer un torchon sur le
Dévisser le bouchon légèrement et laisser la vapeur s’échapper avant
LA VAPEUR ET LE LIQUIDE DE
REFROIDISSEMENT CHAUD peuvent
provoquer des brûlures.
Il est préférable de vérifier le liquide de
refroidissement une fois le moteur refroidi pour éviter
de se brûler.
d’expansion (si présent), et non dans le radiateur (sauf si précisé autrement dans la section maintenance du manuel du moteur).
suivant :
bouchondu radiateur.
d’enlever le bouchon.
DES ORGANES MOBILES peuvent
provoquer des blessures.
Ne pas approcher les mains des ventilateurs, cour-
roies et autres pièces en mouvement.
Maintenir fermés et fixement en place les portes,
panneaux, recouvrements et dispositifs de
protection.
Arrêter le moteur avant d’installer ou brancher l’appareil.
Demander seulement à un personnel qualifié d’enlever les dispositifs de
sécurité ou les recouvrements pour effectuer, s’il y a lieu, des travaux
d’entretien et de d épannage.
Pour e m p êcher tout démarrage accidentel pendant les travaux d’entre-
tien, débrancher le câble négatif (–) de batterie de la borne.
Ne pas approcher les mains, cheveux, vêtements lâches et outils des or-
ganes mobiles.
Remettre en place les panneaux ou les dipositifs de protection et fermer
les portes à la fin des travaux d’entretien et avant de faire démarrer le
moteur.
Avant d’intervenir, déposer les bougies ou injecteurs pour éviter la mise
en route accidentelle du moteur.
Bloquer le volant moteur pour éviter sa rotation lors d’une intervention
sur le générateur.
L’EXPLOSION DE LA BATTERIE peut
RENDRE AVEUGLE.
Toujours porter une protection faciale, des gants en
caoutchouc et vêtements de protection lors d’une in-
tervention sur la batterie.
Arrêter le moteur avant de débrancher ou de brancher les câbles de
batterie.
Eviter de provoquer des étincelles avec les outils en travaillant sur la
batterie.
Ne pas utiliser le poste de soudage pour charger les batteries ou des vé-
hicules de démarrage rapide.
Observer la polarité correcte (+ et –) sur les batteries.
Débrancher l e c âble négatif (–) en premier lieu. Le rebrancher en dernier
lieu.
L’ACIDE DE LA BATTERIE peut provoquer des br ûlures dans les YEUX et
sur la PEAU.
Ne pas renverser la batterie.
Remplacer une batterie endommagée.
Rincer immédiatement les yeux et la peau à l’eau.
LES GAZ D’ÈCHAPPEMENT DU
MOTEUR peuvent provoquer des
accidents mortels.
Utiliser l’équipement à l’extérieur dans des zones ou-
vertes et bien ventilées.
En cas d’utilisation dans un endroit ferméévacuer les gaz d’échappe-
ment du moteur vers l’extérieur à distance des entrées d’air dans les bâti-
ments.
LA CHALEUR DU MOTEUR peut provoquer un incendie.
Ne pas placer l’appareil sur, au-dessus ou à proximité
de surfaces inflammables.
Tenir à distance les produits inflammables de
l’échappement.
LES ÉTINCELLES À L’ÉCHAPPEMENT
peuvent provoquer un incendie.
Empêcher les étincelles d’échappement du moteur
de provoquer un incendie.
Utiliser uniquement un pare-étincelles approuvé –
voir codes en vigueur.
1-4.Dangers supplémentaires en relation avec l’installation, le fonctionnement
et la maintenance
LA CHUTE DE L’APPAREIL peut
blesser.
Utiliser l’anneau de levage uniquement pour soulever
l’appareil lui-même ; sans chariot, de bouteilles de
gaz, remorque, ou autres accessoires.
Utiliser un équipement de levage de capacité suffi-
sante pour lever l’appareil.
En utilisant des fourches de levage pour déplacer l’unité, s’assurer
que les fourches sont suffisamment longues pour dépasser du côté
opposé de l’appareil.
LES ÉTINCELLES VOLANTES risquent de provoquer des blessures.
Porter un écran facial pour protéger le visage et les
yeux.
Affuterr l’électrode au tungstène uniquement à la meuleuse dotée de pro-
tecteurs. Cette manoeuvre est à exécuter dans un endroit sûr lorsque
l’on porte l’équipement homologué de protection du visage, des mains et
du corps.
Les étincelles risquent de causer un incendie – éloigner toute substance
inflammable.
LE SURCHAUFFEMENT peut endommager le moteur électrique.
Arrêter ou déconnecter l’équipement avant de dé-
marrer ou d’arrêter le moteur.
Ne pas laisser tourner le moteur trop lentement sous
risque d’endommager le moteur électrique à cause
d’une tension et d’une fréquence trop faibles.
Ne pas brancher de moteur de 50 ou de 60 Hz à la prise de 100 Hz, s’il y a
lieu.
L’EMPLOI EXCESSIF peut
SURCHAUFFER L’ÉQUIPEMENT.
Laisser l’équipement refroidir ; respecter l e facteur de
marche nominal.
Réduire le courant ou le facteur de marche avant de
poursuivre le soudage.
Ne pas obstruer les passages d’air du poste.
LES CHARGES
ÉLECTROSTATIQUES peuvent
endommager les circuits imprimés.
Établir la connexion avec la barrette de terre avant de
manipuler des cartes ou des pièces.
Utiliser des pochettes et des boîtes antistatiques
pour stocker, déplacer ou expédier des cartes de
circuits imprimes.
UNE REMORQUE QUI BASCULE peut
entraîner des blessures.
Utiliser les supports de la remorque ou des blocs
pour soutenir le poids.
Installer convenablement le poste sur la remorque
comme indiqué dans le manuel s’y rapportant.
LIRE LES INSTRUCTIONS.
Utiliser seulement les pièces de rechange d’origine.
Effecteur la maintenance et la mise en service
d’après le manuel et celui du moteur.
OM-477 Page 7
LE RAYONNEMENT HAUTE FRÉ-
QUENCE (H.F.) risque de provoquer
des interférences.
Le rayonnement haute fréquence (H.F.) peut
provoquer des interférences avec les équipements
de radio–navigation et de communication, les
services de sécurité et les ordinateurs.
Demander seulement à des personnes qualifiées familiarisées avec des
équipements électroniques de faire fonctionner l’installation.
L’utilisateur est tenu de faire corriger rapidement par un électricien quali-
fié les interférences résultant de l’installation.
Si le FCC signale des interférences, arrêter immédiatement l’appareil.
Effectuer régulièrement le contrôle et l’entretien de l’installation.
Maintenir soigneusement fermés les portes et les panneaux des sources
de haute fréquence, maintenir les éclateurs à une distance correcte et
utiliser une terre et et un blindage pour réduire les interférenceséventuelles.
1-5.Principales normes de sécurité
Safety in Welding and Cutting, norme ANSI Z49.1, de l’American Weld-
ing Society, 550 N.W. Lejeune Rd, Miami FL 33126
Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent
of Documents, U.S. Government Printing Office, Washington, D.C.
20402.
Recommended Safe Practice for the Preparation for Welding and Cutting of Containers That Have Held Hazardous Substances, norme A WS
F4.1, de l ’American Welding Society , 550 N.W. Lejeune Rd, Miami FL
33126
National Electrical Code, NFPA Standard 70, de la National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
LE SOUDAGE À L’ARC risque de
provoquer des interférences.
L’énergie électromagnétique risque de provoquer
des interférences pour l’équipement électronique
sensible tel que les ordinateurs et l’équipement commandé par ordinateur tel que les robots.
Veiller à ce que tout l’équipement de la zone de soudage soit compatible
électromagnétiquement.
Pour réduire la possibilité d’interférence, maintenir les câbles de souda-
ge aussi courts que possible, les grouper, et les poser aussi bas que possible (ex. par terre).
Veiller à souder à une distance de 100 mètres de tout équipement élec-
tronique sensible.
Veiller à ce que ce poste de soudage soit posé et mis à la terre conformé-
ment à ce mode d’emploi.
En cas d’interférences après avoir pris les mesures précédentes, il in-
combe à l’utilisateur de prendre des mesures supplémentaires telles que
le déplacement du poste, l’utilisation de câbles blindés, l’utilisation de fil-
tres de ligne ou la pose de protecteurs dans la zone de travail.
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
de la Compressed Gas Association, 1235 Jefferson Davis Highway,
Suite 501, Arlington, VA 22202.
Règles de s écurité en soudage, coupage et procédés connexes, norme
CSA W117.2, de l’Association canadienne de normalisation, vente de
normes, 178 Rexdale Boulevard, Rexdale (Ontario) Canada M9W 1R3.
Safe Pra ctices For Occupation And Educational Eye And Face Protection, norme ANSI Z87.1, de l’American National Standards Institute,
1430 Broadway, New York, NY 10018.
Cutting and Welding Processes, norme NFPA 51B, de la National Fire
Protection Association, Batterymarch Park, Quincy, MA 02269.
1-6.Information sur les champs électromagnétiques
Données sur le soudage électrique et sur les ef fets, pour l ’organisme,
des champs magnétiques basse fréquence
Le courant de soudage, pendant son passage dans les câbles de soudage, causera des champs électromagnétiques. Il y a eu et il y a encore
un certain souci à propos de tels champs. Cependant, après avoir examiné plus de 500 études qui ont été faites pendant une période de
recherche de 17 ans, un comité spécial ruban bleu du National Research Council a conclu: “L’accumulation de preuves, suivant le
jugement du comité, n’a pas démontré que l’exposition aux champs
magnétiques et champs électriques à haute fréquence représente un
risque à la santé humaine”. Toutefois, des études sont toujours en cours
et les preuves continuent à être examinées. En attendant que les conclusions finales de la recherche soient établies, il vous serait
souhaitable de réduire votre exposition aux champs électromagnéti-
ques pendant le soudage ou le coupage.
Afin de réduire les champs électromagnétiques dans l’environnement
de travail, respecter les consignes suivantes :
1Garder les câbles ensembles en les torsadant ou en les
attachant avec du ruban adhésif.
2Mettre tous les câbles du côté opposé de l’opérateur.
3Ne pas courber pas et ne pas entourer pas les câbles autour de
votre corps.
4Garder le poste de soudage et les câbles le plus loin possible de
vous.
5Relier la pince de masse le plus près possible de la zone de
soudure.
Consignes relatives aux stimulateurs cardiaques :
Les personnes qui portent un stimulateur cardiaque doivent avant tout
consulter leur docteur. Si vous êtes déclaré apte par votre docteur, il est
alors recommandé de respecter les consignes ci–dessus.
OM-477 Page 8
SECTION 2 – DEFINITIONS
2-1.Symbols And Definitions
A
Stop Engine
Fast/Slow
(Run/Idle)
Circuit Breaker
PositiveNegative
Amperes
Fast (Run, Weld/
Battery (Engine)OutputEngine Oil
V
Read Operator’s
Manual
Alternating
Current
G
1
Power)
Check Valve
Clearance
VoltsPanel/Local
EngineTemperature
Time
Slow (Idle)Start Engine
Fuel
Certified/Trained
Mechanic
Hours
h
s
14
Protective Earth
(Ground)
Welding Arc
Remote 14
Engine Coolant
Temperature
Seconds
Stick Welding
(SMAW)
Do Not Switch
While Welding
1
Constant Current
(CC)
Single Phase
3
SECTION 3 – SPECIFICATIONS
3-1.Weld, Power, And Engine Specifications
Welding
Mode
CC/DC50 – 440 A
CV/DC
(Optional)
Weld Output
Range
14 – 38 V
Rated Welding
Output
375 A, 35 Volts DC,
50% Duty Cycle
300 A, 32 Volts DC
100% Duty Cycle
300 A, 32 Volts DC,
100% Duty Cycle
Maximum
Open-Circuit
Voltage
95
40
MIG Welding
Three Phase
Auxiliary Power
Rating
Single-Phase,
3 kVA/kW, 26 A,
120 V AC, 60 Hz
(GMAW)
Teledyne-Continental
TM-20 Water-Cooled,
Three-Cylinder,
38 HP Gasoline
Constant Voltage
(CV)
EngineFuel Capacity
16 gal (60.6 L)
Engine
OM-477 Page 9
3-2.Dimensions, Weights, And Operating Angles
°
°
Dimensions
Height48-3/4 i n (1238 mm)
Width24-5/8 i n (625 mm)
Depth64-1/2 (1638 mm)
A62 in (1575 mm)
B59-1/8 i n (1502 mm)
C46-1/4 in ( 1175 mm)
D34-3/4 i n (883 mm)
E26-15/16 in (684) mm)
F9-1/2 in (241 mm)
G2-7/8 in (73 mm)
H7/8 in (22 mm)
J23-1/4 i n (591 mm)
K24-5/8 in (625 mm)
21/32 i n
L
(16.7 mm) Dia.
12 Holes
Weight
1390 lb (631 kg)
L
Engine End
J
K
B
C
C
E
D
D
G
F
H
A
ST-154 859
Do not exceed tilt angles or engine could
be damaged or unit could tip.
Do not move or operate unit where it could
tip.
33°
33
°
20°
20
°
33
angles_1 8/99
3-3.Fuel Consumption
The curve shows typical fuel use
under weld or power loads.
SB-114 553-A
OM-477 Page 10
3-4.Duty Cycle And Overheating
Duty Cycle is percentage of 10 mi n utes that unit can weld at rated load
without overheating.
Exceeding duty cycle can
damage unit and void
warranty.
60% Duty Cycle At 350 Amperes
6 Minutes Welding4 Minutes Resting
3-5.AC Auxiliary Power
100% Duty Cycle At 300 Amperes
Continuous Welding
rduty1 5/95 – SB-111 076-A
The ac power curve shows the auxiliary power in amperes available at
the 120 and 240 volt receptacles.
rsb3.1 2/92 – ST-109 365-C
OM-477 Page 11
3-6.Optional AC Power Plant Curves
A. 8.5 KVA/KW Single-Phase Auxiliary Power Plant
(No Weld Load)
280
260
240
220
AC VOLTS
200
180
0 20406080100
AC AMPERES
The ac power curves show the auxiliary power in amperes available at
the single-phase 120/240 volt or
three-phase 240 volt terminals.
B. 12.5 KVA/KW Three-Phase Auxiliary Power Plant
(No Weld Load)
280
260
240
220
AC VOLTS
200
180
0 10203040506070
AC AMPERES
OM-477 Page 12
rsb13.1 12/94 - ST-111 118-D / ST-112 449-B
3-7.Volt-Ampere Curves
A. CC/DC (Standard)
100
Ranges: 190–Max
80
60
1 10–270
85–210
55–110
Min–65
DC Volts
40
20
0
0100200300
400
500600700
DC Amperes
B. CC/AC (Models with Optional Polarity/AC Selector Switch)
100
The volt-ampere curve shows the
minimum and maximum voltage
and amperage output capabilities of
the welding generator. Curves of al l
other settings fall between the
curves shown.
Stop engine and let cool.
Do not blow exhaust toward
air cleaner or air intake.
Tools Needed:
OM-477 Page 14
1/2 in
muff1 4/96 – ST-154 088-B / Ref. ST-191 898
4-4.Engine Prestart Checks
Full
Capacity:
9 qt (8.5 L)
Full
1/2 in
(13 mm)
Gasoline
Full
Check all fluids daily. Engine must
be cold and on a level surface.
This unit has a low oil pressure
shutdown switch. However,
some conditions may cause
engine damage before the engine shuts down. Check oil level often and do not use the oil
pressure shutdown system to
monitor oil level.
engine the first time (see maintenance label for specifications). Fill
fuel tank up to 1/2 in. (13 mm) from
top to allow room for expansion.
Open fuel shut-of f valve. Check fuel
level on a cold engine before use
each day.
4Oil
After fueling, check oil with unit on
level surface. If oil is not up to full
mark on dipstick, add oil (see maintenance label).
5Coolant
Add coolant if level is below bottom
of radiator filler neck.
Engine coolant is a mixture of water
and ethylene glycol base antifreeze. Add anti-freeze to mixture if
using unit in temperatures below 0°
F (–18° C).
Keep radiator, air intake, and cooling fins clean and free of dirt.
Incorrect engine tempera-
ture can damage engine. Do
not run engine without a
properly working 180°F
(80°C) thermostat and a 7 psi
(48 kPa) radiator cap.
To improve cold weather
starting:
1
Above
40°F (4°C)
Top V iew
2
Keep battery in good condition.
Store battery in warm area off
concrete surface.
*Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. Contact your
distributor for the mm2 equivalent weld cable sizes.S-0007-E
100 ft (30 m) Or Less
10 – 60%
Duty Cycle
60 – 100% Duty
Cycle
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
10 – 100% Duty Cycle
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
OM-477 Page 16
4-7.Remote 14 Receptacle RC3 Information (Optional, See Section 4-8)
Socket*Socket Information
AJ
K
B
L
C
D
I
NH
M
G
F
E
A/V
Ref. ST-159 730-A
*The remaining sockets are not used.
4-8.Terminal Strip 3T Connections (Optional)
A24 volts ac. Protected by circuit
breaker CB4.
BContact closure to A completes 24
volts ac contactor control circuit.
I115 volts ac. Protected by circuit
breaker CB3.
JContact closure to I completes 115
volts ac contactor control circuit.
GCircuit commo n fo r 24 a nd 115 volts ac
circuits.
C0 to +10 volts dc output to remote
control.
DRemote control circuit common.
E0 to +10 volts dc input command signal
from remote control.
KChassis common.
Stop engine.
If remote control plug does not fit in
receptacle RC3, wire cord directly
to terminal strip 3T.
Do not connect to Remote 14
receptacle RC3 and terminal
strip 3T a t the same time. Use
only one remote control
method.
Open right side door.
1Cover
2Terminal Strip 3T
Connect leads to 3T using terminal
information shown in Section 4-7.
Reinstall cover. Close door.
2
1
Tools Needed:
Ref. ST-139 670-B / ST-185 316 / Ref. ST-191 898
OM-477 Page 17
SECTION 5 – OPERATING WELDING GENERATOR
5-1.Front Panel Controls (See Section 5-2)
1
345
2
17
16
15
14
13
6
7
1011
9
8
OM-477 Page 18
()
12
Ref. ST-159 730-A / Ref. ST-191 898
5-2.Description Of Front Panel Controls (See Section 5-1)
This unit has a max OCV control circuit
that resets Amperage/Voltage Adjust
Control R1 to maximum when the arc
breaks. When an arc is struck, weld output control returns to the R1 front panel or
combination front panel/remote control
setting. The Amperage/Voltage Adjust
control adjusts amperage only when
constant current (CC) welding and does
not adjust open-circuit voltage. The max
OCV control circuit does not function
when constant voltage (CV) welding
(optional).
1Ampere Range Switch
Do not switch under load.
Use switch to select weld amperage range.
For most welding applications, use lowest amperage range possible to help prevent arc outages. When using MIG (CV) mode (optional),
place switch in maximum position.
2Amperage/Voltage Adjust Control
Control adjusts amperage within range se-
lected by Ampere Range switch. W eld output
would b e 148 A DC with controls set as shown
(50% of 8 5 t o 210 A).
3Amperage/Voltage Adjust Switch
(Optional)
Use switch to select front panel or remote amperage control (see Section 5-3).
For front panel control, place switch in Panel
position. For remote control, place switch in
Remote position and connect remote control
to Remote 14 receptacle RC3 or terminal strip
3T.
4Output (Electrode) Control Switch
(Optional)
Use switch to control remote contactor con-
nected to receptacle RC3 or terminal strip 3T
(see Sections 4-7 and 4-8).
Weld output terminals are energized
when Output (Electrode) switch is On
(Hot) and engine is running.
For weld output, place switch in the On (Hot)
position. Open-circuit voltage is present at the
weld output terminals whenever engine is running.
For remote output control, place switch in Remote position. Open-circuit voltage is present
at the weld output terminals when remote contactor switch is closed.
5Process Switch (Optional)
Use switch to select Stick or MIG (CV) weld
output. Use Stick for Stick (SMAW) welding.
Use MIG (CV) for wire feed processes (MIG,
FCAW). If using MIG (CV), place Ampere
Range switch in maximum position. To en-
sure wi r e feeder reliability and improve arc
starting, unit does not run at idle speed
when operated in MIG (CV) mode.
Place Process switch in Stick position
when using optional auxiliary power plant.
6DC Voltmeter (Optional)
7DC Ammeter (Optional)
8Magnetic Shutdown Switch
Use switch during start-up to bypass engine
shutdown system. System stops engine if oil
pressure is too low or coolant temperature is
too high.
9Choke Control
Use choke to change engine air-fuel mix.
10 Engine Control Switch
Use switch to start engine, select engine
speed, and stop engine.
In Run position, engine runs at weld/power
speed. I n Run/Idle position, engine runs at idle
speed at no load and weld speed with load applied. Turn to run position if using optional auxiliary power plant.
To Start: Pull choke out. T urn Engine Control
switch to Start while pressing Shutdown
switch. Release Engine Control switch when
engine starts, then release Shutdown switch
and push choke in.
If the engine does not start, let engine
come to a complete stop before attempting restart.
To Stop: turn Engine Control switch to Off
position.
11 Engine Hour Meter
12 Polarity And AC Selector Switch
(Optional)
Do not switch under load.
13 Battery Charging Warning Light
Light goes on if battery is not charging.
14 Low Oil Pressure/High Engine Tempera-
ture Warning Light
Light goes on if oil pressure is low or coolant
temperature is high.
Stop engine and fix trouble if either
warning light goes on.
15 Fuel Gauge
16 Engine Temperature Gauge (Optional)
Normal temperature is 180 - 200° F (81 - 93°
C). Stop engine if temperature exceeds 240°
F (116° C).
17 Engine Oil Pressure Gauge (Optional)
Normal pressure is 40 psi (276 kPa). Stop en-
gine if pressure is below 8 psi (55 kPa).
OM-477 Page 19
5-3.Remote Control (Optional)
Weld output terminals are
energized when Output
(Electrode) switch is On
(Hot) and engine is running.
1Remote 14 Receptacle RC3
Connect optional remote control to
Receptacles supply 60 Hz singlephase power at weld/power speed.
4Circuit Breaker CB1
5
5Circuit Breaker CB2
CB1 protects RC1/GFCI1 and CB2
protects RC2/GFCI2 from overload. If CB1 or CB2 opens, the receptacle does not work. Press button to reset circuit breaker.
If a circuit breaker continues to
open, contact a Factory
Authorized Service Agent.
If a ground fault is detected, the
GFCI Reset button pops out and
the circuit opens to disconnect the
faulty equipment. Check for damaged tools, cords, plugs, etc. connected t o the receptacle. Press button to reset receptacle and resume
operation.
At least once a month, run en-
gine at weld/power speed and
press Test button to verify
GFCI is working properly.
Maximum output from each duplex
receptacle is 1.8 kVA/kW, and 3
kVA/kW from all receptacles.
Auxiliary power is not affected by
weld output.
EXAMPLE: If 15 A is drawn from
RC1, only 10 A is available at RC2:
(120 V x 1 5 A ) + (120 V x 10 A) = 3.0
kVA/kW
3
Ref. ST-191 898
OM-477 Page 21
6-2.240 Volt Duplex Receptacle (Optional)
1
If unit does not have GFCI re-
ceptacles, use GFCI-protected extension cord.
1240 V 15 A AC Receptacle
RC1
Receptacle supplies 60 Hz singlephase power at weld/power speed.
Maximum output is 3 kVA/kW.
2Circuit Breaker CB1
3Circuit Breaker CB2
CB1 and CB2 protect the recep-
tacles from overload. If CB1 or CB2
opens, the 240 V receptacle and
half of the 120 V receptacle does
not work. 120 volts may still be
32
present at the 240 V receptacle.
Press button to reset circuit
breaker.
If a circuit breaker continues to
open, contact a Factory
Authorized Service Agent.
Combined output of all receptacles
is 3 kVA/kW. Auxiliary power is not
affected by weld output.
EXAMPLE: I f 1 0 A i s drawn from the
240 V receptacle, only 5 A is available at the 120 V receptacle:
(240 V x 1 0 A ) + (120 V x 5 A) = 3.0
kVA/kW
OM-477 Page 22
Ref. ST-181 711-A / Ref. ST-174 408
6-3.Connecting Optional Auxiliary Power Plant
Front
1011
1
2
3
AC
Output
Volts
Amps
KVA/KW
Engine Speed
Max. Fuse Size45 Amperes
Lead 42 connects to GROUND stud on
front of unit.
Jumper 42 i s connected to 90 at factory.
F3
F2
F1
Single
Phase
1
120/240
35
8.5
1850 RPM
240V
120V
9
846
75
Three
Phase
3
240
30
12.5
60 HzFrequency
240V
240V
120V
1 3
93
91
90
92
240V
Stop engine.
Power and weld outputs are
live at the same time. Disconnect or insulate unused
cables.
Have qualified person install ac-
cording to circuit diagram and
Auxiliary Power Guidelines
Booklet (M176 712).
Place optional Process switch
in Stick position when using optional auxiliary power plant.
Jumper 4 2 i s connected to lead 90 at
factory. Jumper 42 may be disconnected from neutral to meet applicable electrical codes.
Lead 42 connects to front panel
Ground stud.
9User-Supplied Leads
10 Load Terminals
Connect leads to terminals.
11 Fuses F1, F2, And F3
F1, F2, and F3 protect each load line
from overload.
Set Engine Control switch to
Run when using auxiliary
power.
Tools Needed:
Ref. S-185 000–A
OM-477 Page 23
SECTION 7 – MAINTENANCE AND TROUBLESHOOTING
NOTE
Follow the storage procedure in the engine owner’s manual if the unit will not be
used for an extended period.
7-1.Routine Maintenance
Wipe up spills.
Clean air filter.
See Section 7-3.
8 h
Check fluid levels.
See Section 4-4.
50 h
Clean and tighten
weld terminals.
Recycle
engine
fluids.
Stop engine before maintaining.
See also Engine Manual and Maintenance
Label. Service engine more often if used in
severe conditions.
*To be done by Factory Authorized Service
Agent.
OIL
Full
100 h
Change oil. See
Section 7-5.
Replace fuel filter.
See Section 7-6.
Change oil filter.
See Section 7-5.
Clean and tighten battery
connections.
200 h250 h
Replace
unreadable
labels.
Check spark
plugs.
500 h
Check valve clearance.*Repair or replace
cracked cables.
Check air
cleaner hoses
for cracks and
loose clamps.
Check and clean
spark arrestor.
See Section 7-7.
Blow out or
vacuum insi d e .
During heavy
service, clean
monthly.
OM-477 Page 24
Or
Check
belt
tension.
1000 h
1/2 in.
(13 mm)
Service welding generator
brushes and slip rings.
Service more often in dirty
conditions.*
7-2.Maintenance Label
OM-477 Page 25
7-3.Servicing Air Cleaner
BlowInspect
Stop engine.
Do not run engine without air
cleaner or with dirty element.
Clean or replace element if dirty or
damaged. Replace element yearly
or after six cleanings.
12354
1Dust Cap
2Baffle
3Element
4Plastic Fins
5Housing
To Clean air filter:
Wipe off cap and housing. Remove
cap and dump out dust. Wipe dust
from inside cap and housing with
damp cloth. Remove element and
reinstall cap.
Do not clean housing with air
hose.
Clean element with compressed air
only. Keep nozzle at least 1 in (25
mm) from inside of element. Max. air
pressure: 100 psi (690 kPa). Do not
remove plastic fins. Replace element if it has holes or damaged
gaskets.
Reinstall element and cap (cap
arrows pointing up).
continues t o open, contact Factory Authorized Service Agent.
1Magnetic Shutdown
Switch MS1
2Fuse F (See Parts List)
Fuse F protects magnetic shutdown
switch MS1. If fuse F opens, the
engine stops.
Check fuse and replace if open.
3Circuit Breaker CB3 (Optional)
4Circuit Breaker CB4 (Optional)
CB3 protects the 115 volt ac output
and CB4 protects the 24 volt ac output to optional Remote 14 receptacle RC3 and terminal strip 3T. If a
circuit breaker opens, 24 or 115
volts ac output stops.
wise until engine falters, then turn
screw clockwise until engine runs
smoothly.
Turn idle speed screw to obtain
1250 rpm.
6Solenoid
7Plunger
Slide solenoid inside bracket so
plunger bottoms in solenoid. If necessary, shim solenoid/bracket to
prevent linkage from binding. Do
not readjust idle speed screw when
adjusting solenoid.
Tighten bracket screws. Release
throttle arm. Recheck idle speed
and readjust if necessary .
Stop engine.
Close door.
Ref. ST-115 155-A
7-10. Adjusting Governor Sensitivity
Governor sensitivity may re-
quire readjustment if weld
speed is adjusted. Weld speed
must be readjusted if sensitivity
is adjusted.
Be sure carburetor and linkages are adjusted properly before adjusting sensitivity.
3
2
1
Start engine. Apply and remove
load.
1Locking Nuts
2Sensitivity Adjustment Screw
3Governor Spring
If engine is slow to pick up load or
rpm drops under load, adjust spring
tension as follows:
Loosen top nut and tighten bottom
nut to move screw down. Tighten
nuts.
If engine hunts with or without load,
adjust spring tension as follows:
Loosen bottom nut and tighten top
nut to move screw up. Tighten nuts.
Stop engine.
Close door.
Tools Needed:
OM-477 Page 30
1/2 in
Ref. ST-115 155-A / Ref. ST-159 728-A
7-11. Adjusting Optional High Altitude Carburetor
2
A too lean air-fuel mixture
can damage valves. Do not
adjust main adjustment
screw so air-fuel mixture is
too lean.
Carburetor can be equipped with an
adjustable main jet for operation
above 4000 ft (1219 m). Adjust carburetor as follows:
Start engine and apply nearly full
load to welding generator.
1Main Adjustment Screw
2Lock Nut
Loosen nut. Turn screw in until en-
gine falters (lean air-fuel mixture).
Turn screw out until engine runs
smoothly, then turn screw out an
additional 1/4 turn. Tighten nut.
1
Stop engine.
Close door.
Tools Needed:
1/2 in
7-12. Troubleshooting
A. Welding
TroubleRemedy
No weld output.Check control settings.
Place optional Output (Electrode) Control switch in On (Hot) position, or move switch to Remote position and connect remote contactor to Remote 14 receptacle RC3 or terminal strip 3T (see Sections
4-7, 4-8, and 5-1).
Check and secure connections to optional Remote 14 receptacle RC3 or terminal strip 3T (see Sections 4-7 and 4-8).
Disconnect equipment from 120 volt ac receptacles during start-up.
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
Ref. ST-159 727-B / Ref. ST-115 155-A
Erratic weld output.Check and tighten connections inside and outside unit.
Use dry, properly-stored electrodes.
Remove excessive coils from weld cables.
Be sure connection to work piece is clean and tight.
Have Factory Authorized Service Agent check brushes and slip rings.
OM-477 Page 31
TroubleRemedy
Low or high weld output.Check control settings.
Place optional Process switch in correct position (see Section 5-1).
Check engine weld/power speed, and adjust if necessary (see Section 7-8).
Have Factory Authorized Service Agent check field current regulator board PC1.
Low open-circuit voltage.Place optional Process switch in correct position.
Check engine weld/power speed, and adjust if necessary (see Section 7-8).
Have Facto r y Authorized Service Agent check field current regulator board PC1 and optional CV-3 regu-
lator board PC2.
Maximum weld output only in each ampere range.
No CV weld output (units with remote
control or CV-3 option only).
Wire feeder does not work (models with
CV-3 option).
No amperage control (or voltage control
on models with CV-3 option).
Low CV weld output (models with CV-3
option).
Min or max CV weld output only (models
with CV-3 option).
Have Factory Authorized Service Agent check Amperage/Voltage Adjust control R1, capacitor C8,
diode D9, integrated rectifier SR4, control relay CR3, field current regulator board PC1, and optional
CV-3 regulator board PC2.
Check connections to Remote 14 receptacle RC3 and terminal strip 3T (see Sections 4-7 and 4-8).
Repair or replace remote control device.
Have Factory Authorized Service Agent check connector board PC5 and connections.
Reset circuit breaker CB3 and/or CB4 (see Section 7-4).
Check connections to Remote 14 receptacle RC3 and terminal strip 3T (see Sections 4-7 and 4-8).
Repair or replace wire feeder.
Place Amperage/Voltage Adjust switch in correct position.
Check connections to Remote 14 receptacle RC3 and terminal strip 3T (see Sections 4-7 and 4-8).
Repair or replace remote control device.
Have Factory Authorized Service Agent check optional CV-3 regulator board PC2.
Set Ampere Range switch to highest range.
Check position of Amperage/Voltage Adjust control and Amperage/Voltage Adjust switch.
Repair or replace remote control device.
Have Factory Authorized Service Agent check optional CV-3 regulator board PC2.
B. Auxiliary Power
TroubleRemedy
No output at auxiliary power ac
receptacles.
No or low output at optional auxiliary
power plant.
OM-477 Page 32
Reset circuit breaker CB1 and/or CB2 (see Section 6-1).
Disconnect equipment from receptacles during start-up.
Have Factory Authorized Service Agent check brushes and slip rings.
Place optional Output (Electrode) Control switch in On (Hot) position, or move switch to Remote posi-
tion and connect remote contactor to Remote 14 receptacle RC3 or terminal strip 3T (see Sections
4-7, 4-8, and 5-1).
Place optional Amperage/Voltage Adjust switch in Panel position, or move to Remote position and
connect remote amperage control to Remote 14 receptacle RC3 or terminal strip 3T (see Sections
4-7, 4-8, and 5-1)
Place optional remote amperage control in maximum position (see Section 5-3).
Place optional Process switch in Stick position (see Section 5-1).
Check fuses F1, F2, and F3 and replace as necessary (see Section 6-3).
Check engine weld/power speed, and adjust if necessary (see Section 7-8).
TroubleRemedy
Have Factory Authorized Service Agent check brushes and slip rings, and field current regulator board
PC1.
High or low voltage at auxiliary power
ac receptacles.
High output at optional auxiliary power
plant.
Check engine weld/power speed, and adjust if necessary (see Section 7-8).
Have Factory Authorized Service Agent check field current resistor R3.
Check engine weld/power speed, and adjust if necessary (see Section 7-8).
Have Factory Authorized Service Agent check field current regulator board PC1.
C. Engine
TroubleRemedy
Engine does not start.Check fuel level. Open fuel shutoff valve (see Section 4-4).
Check battery and replace if necessary (see Section 4-2).
Check oil and water levels. Automatic shutdown system stops engine if oil pressure gets too low or
coolant temperature gets too high (see Section 4-4).
Check Engine Control switch, and replace if necessary.
Check Magnetic Shutdown switch MS1 fuse F and replace if open (see Section 7-4).
See engine manual.
Have Factory Authorized Service Agent check engine charging system.
Battery discharges between uses.Clean battery, terminals, and posts with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Replace battery (see Section 4-2).
Have Factory Authorized Service Agent check engine charging system.
Engine idles, but does not come up to
weld speed.
Engine does not run at idle speed.Move Optional Process switch to Stick position (see Section 5-1). Unit does not run at idle speed
Engine slowly stopped and cannot be
restarted.
Check Engine Control switch, and replace if necessary.
Have Factory Authorized Service Agent check idle module and current transformer CT1.
when operated in MIG (CV) mode.
Check fuel level. Open fuel shutoff valve (see Section 4-4).
Check oil and water levels. Automatic shutdown system stops engine if oil pressure gets too low or
coolant temperature gets too high (see Section 4-4).
See engine manual.
OM-477 Page 33
Notes
OM-477 Page 34
SECTION 8 – ELECTRICAL DIAGRAMS
Figure 8-1. Circuit Diagram For Welding Generator For Standard Models
193 965-A
OM-477 Page 35
Figure 8-2. Circuit Diagram For Welding Generator With Welders And Deluxe Package Options
OM-477 Page 36
OM-477 Page 37
193 967-A
SECTION 9 – AUXILIARY POWER GUIDELINES
9-1.Selecting Equipment
1
1Auxiliary Power Receptacles
– Neutral Bonded To Frame
23-Prong Plug From Case
Grounded Equipment
32-Prong Plug From Double
Insulated Equipment
2
3
OR
9-2.Grounding Generator To Truck Or Trailer Frame
1
34
GND/PE
Be sure equipment
has this symbol
and/or wording.
aux_pwr 2/99 – Ref. ST-159 730 / ST-800 577
1Generator Base
2Metal Vehicle Frame
3Equipment Grounding
Terminal
4Grounding Cable
Use #10 AWG or larger insulated
copper wire.
If unit does not have GFCI re-
ceptacles, use GFCI-pro-
tected extension cord.
OM-477 Page 38
OR
Electrically bond generator
2
frame to vehicle frame by
metal-to-metal contact.
2
S-0854
9-3.Grounding When Supplying Building Systems
12
GND/PE
2
3
1Equipment Grounding
Terminal
2Grounding Cable
Use #10 AWG or larger insulated
copper wire.
3Ground Device
Ground generator to system
earth ground if supplying
power to a premises (home,
shop, farm) wiring system.
Use ground device as stated
in electrical codes.
9-4.How Much Power Does Equipment Require?
3
2
1
3
AMPERES x VOLTS = WATTS
EXAMPLE 1 : If a drill uses 4.5 amperes at 115 volts, calculate its running power
requirement in watts.
4.5 A x 115 V = 520 W
The load applied by the drill is 520 watts.
VOLTS 115
AMPS
Hz
4.5
60
ST-800 576-B
1Resistive Load
A light bulb is a resistive load and
requires a constant amount of power.
2Non-Resistive Load
Equipment with a motor is a non-re-
sistive load and requires approximately six times more power while
starting the motor than when running (see Section 9-8).
3Rating Data
Rating shows volts and amperes,
or watts required to run equipment.
EXAMPLE 2 : If three 200 watt flood lamps are used with the drill from Example 1,
add the individual loads to calculate total load.
(200 W + 200 W + 200 W) + 520 W = 1120 W
The total load applied by the three flood lamps and drill is 1120 watts.
S-0623
OM-477 Page 39
9-5.Approximate Power Requirements For Industrial Motors
Single-Phase Induction Motor Starting Requirements
Motor Start
CodeGHJKLMNP
KVA/HP6.37.18.09.010.011.212.514.0
kVA/HP x HP x 1000
VOLTS
EXAMPLE: Calculate the starting amperage required for a 230 V, 1/4
HP motor with a motor start code of M.
Volts = 230 HP = 1/4 Using Table, Code M results in kVA/HP = 11.2
11.2 x 1/4 x 1000
230
= 12.2 A
VOLTSAMPS
CODE60
HP
Starting the motor requires 12.2 amperes.
AC MOTOR
2302.5
M
1/4
= STARTING AMPERAGE
Hz
PHASE
1
2
1Motor Start Code
2Running Amperage
3Motor HP
4Motor Voltage
To find starting amperage:
Step 1: Find code and use table to
find kVA/HP. If code is not listed,
multiply running amperage by six to
find starting amperage.
Step 2: Find Motor HP and Volts.
Step 3: Determine starting amper-
age (see example).
Welding generator amperage out-
put must be at least twice the
motor’s running amperage.
S-0624
9-9.How Much Power Can Generator Supply?
1
2
1Limit Load To 90% Of
Generator Output
Always start non-resistive (motor)
loads in order from largest to smallest, and add resistive loads last.
25 Second Rule
If motor does not start within 5
seconds, turn off power to prevent
motor damage. Motor requires
more power than generator can
supply.
OM-477 Page 42
Ref. ST-800 396-A / S-0625
9-10. Typical Connections To Supply Standby Power
Customer-supplied equipment is required if
generator is to supply standby power during
emergencies or power outages.
1
120/240 Volt
60 Hz
Three-Wire
Service
2
Load
240 V
120 V
120 V
Neutral
240 V
120 V
120 V
1Power Company Service
Meter
2Main and Branch Overcurrent
Protection
3Double-Pole, Double-Throw
Transfer Switch
Obtain and install correct switch.
Switch rating must be same as or
greater than the branch overcurrent
protection.
4Circuit Breakers or Fused
Disconnect Switch
Obtain and install correct circuit
breakers or switch.
5Extension Cord
Select as shown in Section 9-11.
6Generator Connections
Connect terminals or plug of ade-
quate amperage capacity to cord.
3
Follow all applicable codes and
safety practices.
Turn off or unplug all equipment
connected to generator before
starting or stopping engine. When
starting o r s t o p p i n g , t h e e ngine has
low speed which causes low voltage and frequency.
7Load Connections
7
120/240 Volt
Single-Phase
Three-Wire
Generator Output
Connection
4
CB
or
F1
6
240 V
120 V
120 V
Ground
Item 4 is not necessary if circuit
protection is already present in
welding generator auxiliary
power output circuit.
*Recommended Spare Parts.
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
♦OPTIONAL
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
♦OPTIONAL
*Recommended Spare Parts.
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-477 Page 51
Item
No.
Dia.
Mkgs.
Part
No.
Description
Figure 10-3. Panel, Front w/Components (Fig 10-1 Item 102)
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-477 Page 53
Item
No.
Dia.
Mkgs.
Part
No.
Description
Figure 10-4. Control Box w/Components (Fig 10-3 Item 12)
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
OM-477 Page 54
Warranty Questions?
Call
1-800-4-A-MILLER
for your local
Miller distributor.
Y our distributor also gives
you ...
Service
Y ou 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.
Effective January 1, 2000
(Equipment with a serial number preface of “LA” or newer)
This limited warranty supersedes all previous Miller warranties and is exclusive with no other
LIMITED WARRANTY – Subject to the terms and conditions
below, Miller Electric Mfg. Co., 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.
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 date that
the equipment was delivered to the original retail purchaser, or
one year after the equipment is sent to a North American
distributor or eighteen months after the equipment is sent to an
International distributor.
1. 5 Years Parts – 3 Years Labor
* Original main power rectifiers
* Inverters (input and output rectifiers only)
2. 3 Years — Parts and Labor
* Transformer/Rectifier Power Sources
* Plasma Arc Cutting Power Sources
* Semi-Automatic and Automatic Wire Feeders
* Inverter Power Supplies
* Intellitig
* Engine Driven Welding Generators
(NOTE: Engines are warranted separately by
the engine manufacturer .)
3. 1 Year — Parts and Labor
* DS-2 Wire Feeder
* Motor Driven Guns (w/exception of Spoolmate
185 & Spoolmate 250)
* Process Controllers
* Positioners and Controllers
* Automatic Motion Devices
* RFCS Foot Controls
* Induction Heating Power Sources
* Water Coolant Systems
* HF Units
* Grids
* Maxstar 140
* Spot Welders
* Load Banks
* Miller Cyclomatic Equipment
* Running Gear/Trailers
* Plasma Cutting Torches (except APT & SAF
Models)
* Field Options
(NOTE: Field options are covered under True
Bluefor the remaining warranty period of the
product they are installed in, or for a minimum of
one year — whichever is greater.)
4. 6 Months — Batteries
5. 90 Days — Parts
* MIG Guns/TIG Torches
* Induction Heating Coils and Blankets
Miller’s True Blue Limited Warranty shall not apply to:
1. Consumable components; such as contact tips,
cutting nozzles, contactors, brushes, slip rings,
relays or parts that fail due to normal wear.
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 PURCHASE
AND USE BY COMMERCIAL/INDUSTRIAL USERS AND
PERSONS TRAINED AND EXPERIENCED IN THE USE
AND MAINTENANCE OF WELDING EQUIPMENT.
In the event of a warranty claim covered by this warranty, the
exclusive remedies shall be, at Miller’s option: (1) repair; or (2)
replacement; or, where authorized in writing by Miller in
appropriate cases, (3) the reasonable cost of repair or
replacement at an authorized Miller service station; or (4)
payment of or credit for the purchase price (less reasonable
depreciation bas e d u p o n a c tual use) upon return of the goods
at customer’s risk and expense. Miller’s option of repair or
replacement will be F.O.B., Factory at Appleton, Wisconsin, or
F.O.B. at a Miller authorized service facility as determined by
Miller. Therefore no compensation or reimbursement for
transportation costs of any kind will be allowed.
TO THE EXTENT PERMITTED BY LAW, THE REMEDIES
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE
REMEDIES. I N N O EVENT SHALL MILLER BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF
PROFIT), WHETHER BASED ON CONTRACT, TORT OR
ANY OTHER LEGAL THEORY.
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN
AND ANY IMPLIED WARRANTY, GUARANTY OR
REPRESENTATION AS TO PERFORMANCE, AND ANY
REMEDY FOR BREACH OF CONTRACT TORT OR ANY
OTHER LEGAL THEORY WHICH, BUT FOR THIS
PROVISION, MIGHT ARISE BY IMPLICATION,
OPERATION OF LAW, CUSTOM OF TRADE OR COURSE
OF DEALING, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL
EQUIPMENT FURNISHED BY MILLER IS EXCLUDED AND
DISCLAIMED BY MILLER.
Some states in the U.S.A. do not allow limitations of how long
an implied warranty lasts, or the exclusion of incidental,
indirect, special or consequential damages, so the above
limitation or exclusion may not apply to you. This warranty
provides specific legal rights, and other rights may be
available, but may vary from state to state.
In Canada, legislation in some provinces provides for certain
additional warranties or remedies other than as stated herein,
and to the extent that they may not be waived, the limitations
and exclusions set out above may not apply. This Limited
Warranty provides specific legal rights, and other rights may
be available, but may vary from province to province.
miller_warr 7/00
Owner’s Record
Please complete and retain with your personal records.
Model NameSerial/Style Number
Purchase Date(Date which equipment was delivered to original customer.)
Distributor
Address
City
StateZip
For Service
Call 1-800-4-A-Miller or see our website at www.MillerWelds.com
to locate a DISTRIBUTOR or SERVICE AGENCY near you.
Always provide Model Name and Serial/Style Number.
Contact your Distributor for:
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
Miller Electric Mfg. Co.
An Ill inoi s Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
International Headquarters–USA
USA Phone: 920-735-4505 Auto-A t t ended
USA & Canada FAX: 9 20-735-4134
International FAX: 920-735-4125
European Headquarters –
United Kingdom
Phone: 44 (0) 1204-593493
FAX: 44 (0) 1204-598066
www.MillerWelds.com
Contact the Delivering Carrier for:
For assistance in filing or settling claims,
contact your distributor and/or equipment
manufacturer’s Transportation Department.
PRINTED IN USA 2000 Miller Electric Mfg. Co. 6/00
File a claim for loss or damage during
shipment.
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