Miller Electric Welder Axcess 450 User Manual

OM-220 389J  
Processes  
2007−10  
MIG (GMAW) Welding  
Pulsed MIG (GMAW-P)  
Flux Cored (FCAW) Welding  
Description  
Arc Welding Power Source  
Axcess450  
Visit our website at  
File: Advanced Manufacturing Systems  
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TABLE OF CONTENTS  
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Declaration of Conformity for  
European Community (CE) Products  
. This information is provided for units with CE certification (see rating label on unit).  
Manufacturer:  
European Contact:  
Miller Electric Mg. Co.  
1635 W. Spencer St.  
Appleton, WI 54914 USA  
Phone: (920) 734-9821  
Mr. Danilo Fedolfi,  
Managing Director  
ITW Welding Products Italy S.r.l.  
Via Privata Iseo 6/E  
20098 San Giuliano  
Milanese, Italy  
Phone: 39(02)98290-1  
Fax: 39(02)98290203  
European Contact Signature:  
Declares that this product:  
AxcessE 450  
conforms to the following Directives and Standards:  
Directives  
Low Voltage Directive: 73/23/EEC  
Electromagnetic Compatibility Directives: 89/336/EEC, 92/31/EEC, 2004/108/EC  
Machinery Directives: 98/37EEC, 91/368/EEC, 92/31/EEC, 133/04, 93/68/EEC  
CE Marking Directive: 93/68/EEC  
Standards  
Arc Welding Equipment − Part 1: Welding Power Sources. IEC 60974-1 Ed. 3, 2005-07  
Arc Welding Equipment − Part 10: Electromagnetic Compatibility (EMC) Requirements.  
IEC 60974-10 Ed. 1.1, 2004-10  
Degrees of Protection Provided By Enclosures (IP Code): IEC 60529 Ed. 2.1, 2001-02  
The product technical file is maintained by the responsible Business Unit(s) located at the manufacturing facility.  
dec_stat_1/07  
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SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING  
som _2007−04  
7
Protect yourself and others from injury — read and follow these precautions.  
1-1. Symbol Usage  
DANGER! − Indicates a hazardous situation which, if  
. Indicates special instructions.  
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.  
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.  
NOTICE − Indicates statements not related to personal injury.  
1-2. Arc Welding Hazards  
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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  
groundedreceptacle outlet.  
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  
follow all Safety Standards.  
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When making input connections, attach proper grounding conduc-  
tor first − double-check connections.  
Keep cords dry, free of oil and grease, and protected from hot metal  
and sparks.  
Only qualified persons should install, operate, maintain, and  
repair this unit.  
Frequently inspect input power cord for damage or bare wiring −  
replace cord immediately if damaged − bare wiring can kill.  
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Turn off all equipment when not in use.  
During operation, keep everybody, especially children, away.  
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.  
ELECTRIC SHOCK can kill.  
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Do not touch electrode if you are in contact with the work, ground,  
or another electrode from a different machine.  
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  
Do not touch electrode holders connected to two welding ma-  
chines at the same time since double open-circuit voltage will be  
present.  
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  
groundedequipment is a hazard.  
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Use only well-maintained equipment. Repair or replace damaged  
parts at once. Maintain unit according to manual.  
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Do not touch live electrical parts.  
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Wear a safety harness if working above floor level.  
Keep all panels and covers securely in place.  
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.  
Clamp work cable with good metal-to-metal contact to workpiece  
or worktable as near the weld as practical.  
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Insulate work clamp when not connected to workpiece to prevent  
contact with any metal object.  
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Do not use AC output in damp areas, if movement is confined, or if  
there is a danger of falling.  
Do not connect more than one electrode or work cable to any  
single weld output terminal.  
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Use AC output ONLY if required for the welding process.  
If AC output is required, use remote output control if present on  
unit.  
SIGNIFICANT DC VOLTAGE exists in inverter-type  
welding power sources after removal of input  
power.  
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Additionalsafety precautions are required when any of the follow-  
ing electrically hazardous conditions are present: in damp  
locations or while wearing wet clothing; on metal structures such  
as floors, gratings, or scaffolds; when in cramped positions such  
as sitting, kneeling, or lying; or when there is a high risk of unavoid-  
able or accidental contact with the workpiece or ground. For these  
conditions, use the following equipment in order presented: 1) a  
semiautomaticDC constant voltage (wire) welder, 2) a DC manual  
(stick) welder, or 3) an AC welder with reduced open-circuit volt-  
age. In most situations, use of a DC, constant voltage wire welder  
is recommended. And, do not work alone!  
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Turn Off inverter, disconnect input power, and discharge input  
capacitors according to instructions in Maintenance Section  
before touching any parts.  
HOT PARTS can cause severe burns.  
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Do not touch hot parts bare handed.  
Allow cooling period before working on gun or  
torch.  
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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).  
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To handle hot parts, use proper tools and/or  
wear heavy, insulated welding gloves and  
clothing to prevent burns.  
Properly install and ground this equipment according to its  
Owner’s Manual and national, state, and local codes.  
OM-220 389 Page 1  
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Do not use welder to thaw frozen pipes.  
FUMES AND GASES can be hazardous.  
Remove stick electrode from holder or cut off welding wire at  
contact tip when not in use.  
Welding produces fumes and gases. Breathing  
these fumes and gases can be hazardous to your  
health.  
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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.  
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Keep your head out of the fumes. Do not breathe the fumes.  
After completion of work, inspect area to ensure it is free of sparks,  
glowing embers, and flames.  
If inside, ventilate the area and/or use local forced ventilation at the  
arc to remove welding fumes and gases.  
Use only correct fuses or circuit breakers. Do not oversize or by-  
pass them.  
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If ventilation is poor, wear an approved air-supplied respirator.  
Read and understand the Material Safety Data Sheets (MSDSs)  
and the manufacturer’s instructions for metals, consumables,  
coatings, cleaners, and degreasers.  
Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B  
for hot work and have a fire watcher and extinguisher nearby.  
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Work in a confined space only if it is well ventilated, or while  
wearing an air-supplied respirator. Always have a trained watch-  
person nearby. Welding fumes and gases can displace air and  
lower the oxygen level causing injury or death. Be sure the breath-  
ing air is safe.  
FLYING METAL or DIRT can injure eyes.  
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Welding, chipping, wire brushing, and grinding  
cause sparks and flying metal. As welds cool,  
they can throw off slag.  
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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.  
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Wear approved safety glasses with side  
shields even under your welding helmet.  
Do not weld on coated metals, such as galvanized, lead, or  
cadmiumplated steel, unless the coating is removed from the weld  
area, the area is well ventilated, and while wearing an air-supplied  
respirator. The coatings and any metals containing these elements  
can give off toxic fumes if welded.  
BUILDUP OF GAS can injure or kill.  
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Shut off shielding gas supply when not in use.  
Always ventilate confined spaces or use  
approved air-supplied respirator.  
ARC RAYS can burn eyes and skin.  
MAGNETIC FIELDS can affect Implanted  
Medical Devices.  
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.  
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Wearers of Pacemakers and other Implanted  
Medical Devices should keep away.  
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Wear an approved welding helmet fitted with a proper shade of fil-  
ter lenses to protect your face and eyes when welding or watching  
(see ANSI Z49.1 and Z87.1 listed in Safety Standards).  
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ImplantedMedical Device wearers should consult their doctor  
and the device manufacturer before going near arc welding, spot  
welding, gouging, plasma arc cutting, or induction heating  
operations.  
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Wear approved safety glasses with side shields under your  
helmet.  
Use protective screens or barriers to protect others from flash,  
glare and sparks; warn others not to watch the arc.  
NOISE can damage hearing.  
Noise from some processes or equipment can  
damagehearing.  
Wear protective clothing made from durable, flame-resistant mate-  
rial (leather, heavy cotton, or wool) and foot protection.  
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Wear approved ear protection if noise level is  
high.  
WELDING can cause fire or explosion.  
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  
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.  
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.  
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Protect compressed gas cylinders from excessive heat, mechani-  
cal shocks, physical damage, slag, open flames, sparks, and arcs.  
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Remove all flammables within 35 ft (10.7 m) of the welding arc. If  
this is not possible, tightly cover them with approved covers.  
Install cylinders in an upright position by securing to a stationary  
support or cylinder rack to prevent falling or tipping.  
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Do not weld where flying sparks can strike flammable material.  
Protect yourself and others from flying sparks and hot metal.  
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Keep cylinders away from any welding or other electrical circuits.  
Never drape a welding torch over a gas cylinder.  
Be alert that welding sparks and hot materials from welding can  
easily go through small cracks and openings to adjacent areas.  
Never allow a welding electrode to touch any cylinder.  
Never weld on a pressurized cylinder − explosion will result.  
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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.  
Use only correct shielding gas cylinders, regulators, hoses, and fit-  
tings designed for the specific application; maintain them and  
associated parts in good condition.  
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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).  
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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.  
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Do not weld where the atmosphere may contain flammable dust,  
gas, or liquid vapors (such as gasoline).  
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Use the right equipment, correct procedures, and sufficient num-  
ber of persons to lift and move cylinders.  
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, sparks, and fire  
hazards.  
Read and follow instructions on compressed gas cylinders,  
associated equipment, and Compressed Gas Association (CGA)  
publication P-1 listed in Safety Standards.  
OM-220 389 Page 2  
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1-3. Additional Symbols For Installation, Operation, And Maintenance  
FIRE OR EXPLOSION hazard.  
MOVING PARTS can cause injury.  
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Do not install or place unit on, over, or near  
combustiblesurfaces.  
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Keep away from moving parts such as fans.  
Keep all doors, panels, covers, and guards  
closed and securely in place.  
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Do not install unit near flammables.  
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Do not overload building wiring − be sure power supply system is  
properly sized, rated, and protected to handle this unit.  
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Have only qualified persons remove doors, panels, covers, or  
guards for maintenance as necessary.  
Reinstall doors, panels, covers, or guards when maintenance is  
finished and before reconnecting input power.  
FALLING UNIT can cause injury.  
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Use lifting eye to lift unit only, NOT running  
gear, gas cylinders, or any other accessories.  
READ INSTRUCTIONS.  
Use equipment of adequate capacity to lift and  
support unit.  
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Read Owner’s Manual before using or servic-  
ing unit.  
If using lift forks to move unit, be sure forks are  
long enough to extend beyond opposite side of  
unit.  
Use only genuine replacement parts from the  
manufacturer.  
OVERUSE can cause OVERHEATING  
H.F. RADIATION can cause interference.  
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Allow cooling period; follow rated duty cycle.  
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High-frequency (H.F.) can interfere with radio  
navigation, safety services, computers, and  
communicationsequipment.  
Reduce current or reduce duty cycle before  
starting to weld again.  
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Do not block or filter airflow to unit.  
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Have only qualified persons familiar with  
electronic equipment perform this installation.  
FLYING SPARKS can cause injury.  
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The user is responsible for having a qualified electrician prompt-  
ly correct any interference problem resulting from the installa-  
tion.  
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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.  
If notified by the FCC about interference, stop using the  
equipmentat once.  
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Have the installation regularly checked and maintained.  
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Sparks can cause fires — keep flammables away.  
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.  
STATIC (ESD) can damage PC boards.  
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Put on grounded wrist strap BEFORE handling  
boards or parts.  
ARC WELDING can cause interference.  
Use proper static-proof bags and boxes to  
store, move, or ship PC boards.  
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Electromagnetic energy can interfere with  
sensitive electronic equipment such as  
computers and computer-driven equipment  
such as robots.  
MOVING PARTS can cause injury.  
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Be sure all equipment in the welding area is  
electromagneticallycompatible.  
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Keep away from moving parts.  
Keep away from pinch points such as drive  
rolls.  
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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.  
WELDING WIRE can cause injury.  
Be sure this welding machine is installed and grounded  
according to this manual.  
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Do not press gun trigger until instructed to do  
so.  
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.  
Do not point gun toward any part of the body,  
other people, or any metal when threading  
welding wire.  
OM-220 389 Page 3  
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1-4. California Proposition 65 Warnings  
For Gasoline Engines:  
Welding or cutting equipment 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.)  
Engine exhaust contains chemicals known to the State of  
California to cause cancer, birth defects, or other reproduc-  
tive harm.  
For Diesel Engines:  
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  
reproductiveharm. Wash hands after handling.  
Diesel engine exhaust and some of its constituents are  
known to the State of California to cause cancer, birth  
defects, and other reproductive harm.  
1-5. Principal Safety Standards  
Safety inWelding, Cutting, and Allied Processes, ANSI Standard Z49.1,  
from Global Engineering Documents (phone: 1-877-413-5184, website:  
www.global.ihs.com).  
Ontario, Canada L4W 5NS (phone: 800-463-6727 or in Toronto  
416-747-4044,website: www.csa-international.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 10036–8002 (phone:  
212-642-4900,website: www.ansi.org).  
Standard for Fire Prevention During Welding, Cutting, and Other Hot  
Work, NFPA Standard 51B, from National Fire Protection Association,  
P.O. Box 9101, Quincy, MA 02269-9101 (phone: 617-770-3000, web-  
Recommended Safe Practices for the Preparation for Weldingand Cut-  
ting of Containers and Piping, American Welding Society Standard  
AWS F4.1, from Global Engineering Documents (phone:  
1-877-413-5184,website: www.global.ihs.com).  
NationalElectrical Code, NFPA Standard 70, from National Fire Protec-  
tion Association, P.O. Box 9101, Quincy, MA 02269-9101 (phone:  
OSHA, Occupational Safety and Health Standards for General Indus-  
try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,  
and Part 1926, Subpart J, from U.S. Government Printing Office, Super-  
intendentof Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954  
(phone: 1-866-512-1800) (there are 10 Regional Offices—phone for  
Region 5, Chicago, is 312-353-2220, website: www.osha.gov).  
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,  
from Compressed Gas Association, 4221 Walney Road, 5th Floor,  
Chantilly, VA 20151 (phone: 703-788-2700, website:www.cganet.com).  
Code for Safety in Welding and Cutting, CSA Standard W117.2, from  
CanadianStandards Association, Standards Sales, 5060 Mississauga,  
1-6. EMF Information  
Considerations About Welding And The Effects Of Low Frequency  
Electric And Magnetic Fields  
1. Keep cables close together by twisting or taping them, or using a  
cable cover.  
2. Arrange cables to one side and away from the operator.  
3. Do not coil or drape cables around your body.  
Welding current, as it flows through welding cables, will cause electro-  
magnetic 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  
committees 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.  
4. Keep welding power source and cables as far away from opera-  
tor as practical.  
5. Connect work clamp to workpiece as close to the weld as possi-  
ble.  
About Implanted Medical Devices:  
ImplantedMedical 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.  
To reduce magnetic fields in the workplace, use the following  
procedures:  
OM-220 389 Page 4  
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SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION  
fre_som_2007−04  
7
Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes.  
2-1. Symboles utilisés  
DANGER! − Indique une situation dangereuse qui si on  
. Indique des instructions spécifiques.  
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.  
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.  
NOTE − Indique des déclarations pas en relation avec des blessures  
personnelles.  
2-2. Dangers relatifs au soudage à l’arc  
(à fil), 2) un poste à souder DC manuel (électrode) ou 3) un poste à  
souder AC à tension à vide réduite. Dans la plupart des situations,  
l’utilisation d’un poste à souder DC à fil à tension constante est re-  
commandée.En outre, ne pas travailler seul !  
Les symboles représentés ci-dessous sont utilisés dans ce ma-  
nuel pour attirer l’attention et identifier les dangers possibles. En  
présence de l’un de ces symboles, prendre garde et suivre les  
instructions afférentes pour éviter tout risque. Les instructions  
en matière de sécurité indiquées ci-dessous ne constituent  
qu’un sommaire des instructions de sécurité plus complètes  
fournies dans les normes de sécurité énumérées dans la Sec-  
tion 2-5. Lire et observer toutes les normes de sécurité.  
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Couper l’alimentation ou arrêter le moteur avant de procéder à l’in-  
stallation, à la réparation ou à l’entretien de l’appareil. Déverrouiller  
l’alimentationselon la norme OSHA 29 CFR 1910.147 (voir nor-  
mes de sécurité).  
Installer le poste correctement et le mettre à la terre convenable-  
ment selon les consignes du manuel de l’opérateur et les normes  
nationales,provinciales et locales.  
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.  
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Seul un personnel qualifié est autorisé à installer, faire fonc-  
tionner, entretenir et réparer cet appareil.  
Pendant le fonctionnement, maintenir à distance toutes les  
personnes,notamment les enfants de l’appareil.  
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En effectuant les raccordements d’entrée, fixer d’abord le conduc-  
teur de mise à la terre approprié et contre-vérifier les connexions.  
UNE DÉCHARGE ÉLECTRIQUE peut  
entraîner la mort.  
Les câbles doivent être exempts d’humidité, d’huile et de graisse;  
protégez−les contre les étincelles et les pièces métalliques  
chaudes.  
Le contact d’organes électriques sous tension peut  
provoquer des accidents mortels ou des brûlures  
graves. Le circuit de l’électrode et de la pièce est  
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Vérifier fréquemment le cordon d’alimentation afin de s’assurer  
qu’il n’est pas altéré ou à nu, le remplacer immédiatement s’il l’est.  
Un fil à nu peut entraîner la mort.  
sous tension lorsque le courant est délivré à la  
sortie. Le circuit d’alimentation et les circuits internes de la machine  
sont également sous tension lorsque l’alimentation est sur Marche.  
Dans le mode de soudage avec du fil, le fil, le dérouleur, le bloc de  
commande du rouleau et toutes les parties métalliques en contact  
avec le fil sont sous tension électrique. Un équipement installé ou mis  
à la terre de manière incorrecte ou impropre constitue un danger.  
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L’équipement doit être hors tension lorsqu’il n’est pas utilisé.  
Ne pas utiliser des câbles usés, endommagés, de grosseur insuffi-  
sante ou mal épissés.  
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Ne pas enrouler les câbles autour du corps.  
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Ne pas toucher aux pièces électriques sous tension.  
Si la pièce soudée doit être mise à la terre, le faire directement  
avec un câble distinct.  
Porter des gants isolants et des vêtements de protection secs et  
sans trous.  
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Ne pas toucher l’électrode quand on est en contact avec la pièce,  
la terre ou une électrode provenant d’une autre machine.  
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S’isoler de la pièce à couper et du sol en utilisant des housses ou  
des tapis assez grands afin d’éviter tout contact physique avec la  
pièce à couper ou le sol.  
Ne pas toucher des porte électrodes connectés à deux machines  
en même temps à cause de la présence d’une tension à vide dou-  
blée.  
Ne pas se servir de source électrique à courant électrique dans les  
zones humides, dans les endroits confinés ou là où on risque de  
tomber.  
D
N’utiliser qu’un matériel en bon état. Réparer ou remplacer sur-le-  
champ les pièces endommagées. Entretenir l’appareil  
conformémentà ce manuel.  
D
D
Se servir d’une source électrique à courant électrique UNIQUE-  
MENT si le procédé de soudage le demande.  
D
D
Porter un harnais de sécurité si l’on doit travailler au-dessus du sol.  
Si l’utilisation d’une source électrique à courant électrique s’avère  
nécessaire, se servir de la fonction de télécommande si l’appareil  
en est équipé.  
S’assurer que tous les panneaux et couvercles sont correctement  
en place.  
D
D’autres consignes de sécurité sont nécessaires dans les condi-  
tions suivantes : risques électriques dans un environnement  
humideou si l’on porte des vêtements mouillés ; sur des structures  
métalliquestelles que sols, grilles ou échafaudages ; en position  
coincée comme assise, à genoux ou couchée ; ou s’il y a un risque  
élevé de contact inévitable ou accidentel avec la pièce à souder ou  
le sol. Dans ces conditions, utiliser les équipements suivants,  
dans l’ordre indiqué : 1) un poste à souder DC à tension constante  
D
Fixer le câble 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.  
D
D
Isoler la pince de masse quand pas mis à la pièce pour éviter le  
contact avec tout objet métallique.  
Ne pas raccorder plus d’une électrode ou plus d’un câble de  
masse à une même borne de sortie de soudage.  
OM-220 389 Page 5  
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Il reste une TENSION DC NON NÉGLIGEABLE dans  
les sources de soudage onduleur quand on a  
coupé l’alimentation.  
LE SOUDAGE peut provoquer un in  
cendie ou une explosion.  
Le soudage effectué sur des conteneurs fermés tels  
que des réservoirs, tambours ou des conduites peu  
provoquer leur éclatement. Des étincelles peuven  
D
Arrêter les convertisseurs, débrancher le courant électrique et  
déchargerles condensateurs d’alimentation selon les instructions  
indiquées dans la partie Entretien avant de toucher les pièces.  
être projetées de l’arc de soudure. La projection d’étincelles, des pièce  
chaudes et des équipements chauds peut provoquer des incendies e  
des brûlures. Le contact accidentel de l’électrode avec des objets  
métalliquespeut provoquer des étincelles, une explosion, un surchauf  
fement ou un incendie. Avant de commencer le soudage, vérifier e  
s’assurer que l’endroit ne présente pas de danger.  
DES PIÈCES CHAUDES peuvent  
provoquer des brûlures graves.  
D
Ne pas toucher à mains nues les parties  
chaudes.  
D
Prévoir une période de refroidissement avant de  
travailler à l’équipement.  
D
Déplacer toutes les substances inflammables à une distance de  
10,7 m de l’arc de soudage. En cas d’impossibilité les recouvrir  
soigneusementavec des protections homologués.  
D
Ne pas toucher aux pièces chaudes, utiliser les outils recomman-  
dés et porter des gants de soudage et des vêtements épais pour  
éviter les brûlures.  
D
D
D
Ne pas souder dans un endroit là où des étincelles peuvent tomber  
sur des substances inflammables.  
Se protéger et d’autres personnes de la projection d’étincelles et  
de métal chaud.  
LES FUMÉES ET LES GAZ peuvent être  
dangereux.  
Des étincelles et des matériaux chauds du soudage peuvent  
facilement passer dans d’autres zones en traversant de petites  
fissures et des ouvertures.  
Le soudage génère des fumées et des gaz. Leur  
inhalationpeut être dangereux pour votre santé.  
D
D
D
Surveiller tout déclenchement d’incendie et tenir un extincteur à  
proximité.  
D
D
Eloigner votre tête des fumées. Ne pas respirer les fumées.  
À l’intérieur, ventiler la zone et/ou utiliser une ventilation forcée au  
niveau de l’arc pour l’évacuation des fumées et des gaz de soudage.  
Le soudage effectué sur un plafond, plancher, paroi ou séparation  
peut déclencher un incendie de l’autre côté.  
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 (voir les nor-  
mes de sécurité).  
D
D
Si la ventilation est médiocre, porter un respirateur anti-vapeurs  
approuvé.  
Lire et comprendre les spécifications de sécurité des matériaux  
(MSDS) et les instructions du fabricant concernant les métaux, les  
consommables, les revêtements, les nettoyants et les dégrais-  
seurs.  
D
D
Ne soudez pas si l’air ambiant est chargé de particules, gaz, ou va-  
peurs inflammables (vapeur d’essence, par exemple).  
Brancher le câble de masse 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 provo-  
quant des risques d’électrocution, d’étincelles et d’incendie.  
D
Travailler dans un espace fermé seulement s’il est bien ventilé ou  
en portant 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.  
D
D
D
Ne pas utiliser le poste de soudage pour dégeler des conduites ge-  
lées.  
D
D
Ne pas souder dans des endroits situés à proximité d’opérations  
de dégraissage, de nettoyage ou de pulvérisation. La chaleur et  
les rayons de l’arc peuvent réagir en présence de vapeurs et for-  
mer des gaz hautement toxiques et irritants.  
En cas de non utilisation, enlever la baguette d’électrode du porte-  
électrode 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.  
Ne pas souder des métaux munis d’un revêtement, tels que l’acier  
galvanisé, plaqué en plomb ou au cadmium à moins que le revête-  
ment n’ait été enlevé dans la zone de soudure, que l’endroit soit  
bien ventilé, et en portant un respirateur à alimentation d’air. Les  
revêtementset tous les métaux renfermant ces éléments peuvent  
dégager des fumées toxiques en cas de soudage.  
D
D
D
D
D
D
Avant de souder, retirer toute substance combustible de vos po-  
ches telles qu’un allumeur au butane ou des allumettes.  
Une fois le travail achevé, assurez−vous qu’il ne reste aucune  
trace d’étincelles incandescentes ni de flammes.  
Utiliser exclusivement des fusibles ou coupe−circuits appropriés.  
Ne pas augmenter leur puissance; ne pas les ponter.  
LES RAYONS DE L’ARC peuvent  
provoquer des brûlures dans les  
yeux et sur la peau.  
Une fois le travail achevé, assurez−vous qu’il ne reste aucune  
trace d’étincelles incandescentes ni de flammes.  
Le rayonnement de l’arc du procédé de soudage  
génère des rayons visibles et invisibles intenses  
Utiliser exclusivement des fusibles ou coupe−circuits appropriés.  
Ne pas augmenter leur puissance; ne pas les ponter.  
(ultraviolets et infrarouges) susceptibles de provoquer des brûlures  
dans les yeux et sur la peau. Des étincelles sont projetées pendant le  
soudage.  
Suivre les recommandations dans OSHA 1910.252(a)(2)(iv) et  
NFPA 51B pour les travaux à chaud et avoir de la surveillance et un  
extincteur à proximité.  
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).  
DES PIECES DE METAL ou DES  
SALETES peuvent provoquer des  
blessures dans les yeux.  
D
D
Porter des lunettes de sécurité avec écrans latéraux même sous  
votre casque.  
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
Le soudage, l’écaillement, le passage de la pièce à la brosse en  
fil de fer, et le meulage génèrent des étincelles et des particules  
métalliquesvolantes. Pendant la période de refroidissement des  
soudures, elles risquent de projeter du laitier.  
D
Porter des vêtements confectionnés avec des matières résistan-  
tes et ignifuges (cuir, coton lourd ou laine) et des bottes de  
protection.  
D
Porter des lunettes de sécurité avec écrans latéraux ou un écran  
facial.  
OM-220 389 Page 6  
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D
D
D
Protéger les bouteilles de gaz comprimé d’une chaleur excessive,  
des chocs mécaniques, des dommages physiques, du laitier, des  
flammes ouvertes, des étincelles et des arcs.  
LES ACCUMULATIONS DE GAZ  
risquent de provoquer des blessures  
ou même la mort.  
Placer les bouteilles debout en les fixant dans un support station-  
naire ou dans un porte-bouteilles pour les empêcher de tomber ou  
de se renverser.  
D
Fermer l’alimentation du gaz protecteur en cas  
de non-utilisation.  
D
Veiller toujours à bien aérer les espaces confi-  
nés ou se servir d’un respirateur d’adduction  
d’air homologué.  
Tenir les bouteilles éloignées des circuits de soudage ou autres  
circuits électriques.  
LES CHAMPS MAGNETIQUES peuv-  
ent affecter des implants médicaux.  
D
D
Ne jamais placer une torche de soudage sur une bouteille à gaz.  
D
Porteur de simulateur cardiaque ou autre im-  
plants médicaux, rester à distance.  
Une électrode de soudage ne doit jamais entrer en contact avec  
une bouteille.  
D
Les porteurs d’implants doivent d’abord consulter leur médecin  
avant de s’approcher des opérations de soudage à l’arc, de sou-  
dage par points, de gougeage, du coupage plasma ou de chauf-  
fage par induction.  
D
D
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.  
LE BRUIT peut endommager l’ouïe.  
Le bruit des processus et des équipements peut  
affecter l’ouïe.  
D
D
D
D
Détourner votre visage du détendeur-régulateur lorsque vous  
ouvrez la soupape de la bouteille.  
D
Porter des protections approuvées pour les  
oreilles si le niveau sonore est trop élevé.  
Le couvercle du détendeur doit toujours être en place, sauf lorsque  
la bouteille est utilisée ou qu’elle est reliée pour usage ultérieur.  
LES BOUTEILLES peuvent exploser  
si elles sont endommagées.  
Utiliser les équipements corrects, les bonnes procédures et suffi-  
samment de personnes pour soulever et déplacer les bouteilles.  
Des bouteilles de gaz protecteur contiennent du gaz  
sous haute pression. Si une bouteille est endomma-  
gée, elle peut exploser. Du fait que les bouteilles de  
gaz font normalement partie du procédé de sou-  
Lire et suivre les instructions sur les bouteilles de gaz comprimé,  
l’équipement connexe et le dépliant P-1 de la CGA (Compressed  
Gas Association) mentionné dans les principales normes de sécu-  
rité.  
dage, les manipuler avec précaution.  
2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance  
Risque D’INCENDIE OU D’EXPLO-  
SION.  
LES ÉTINCELLES VOLANTES ris-  
quent de provoquer des blessures.  
D
Ne pas placer l’appareil sur, au-dessus ou  
à proximité de surfaces inflammables.  
D
Porter un écran facial pour protéger le visage et  
les yeux.  
D
Ne pas installer l’appareil à proximité de pro-  
duits inflammables.  
D
Affûter l’électrode au tungstène uniquement à la  
meuleuse dotée de protecteurs. Cette manœuv-  
re est à exécuter dans un endroit sûr lorsque l’on  
porte l’équipement homologué de protection du  
visage, des mains et du corps.  
D
Ne pas surcharger l’installation électrique − s’assurer que  
l’alimentationest correctement dimensionnée et protégée avant  
de mettre l’appareil en service.  
D
Les étincelles risquent de causer un incendie − éloigner toute sub-  
stance inflammable.  
LA CHUTE DE L’APPAREIL peut  
blesser.  
D
Utiliser l’anneau de levage uniquement pour  
soulever l’appareil, NON PAS les chariots, les  
bouteilles de gaz ou tout autre accessoire.  
LES CHARGES ÉLECTROSTATI-  
QUES peuvent endommager les  
circuits imprimés.  
D
Utiliser un équipement de levage de capacité  
suffisante pour lever l’appareil.  
D
Établir la connexion avec la barrette de terre  
avant de manipuler des cartes ou des pièces.  
D
En utilisant des fourches de levage pour déplacer l’unité, s’assu-  
rer que les fourches sont suffisamment longues pour dépasser  
du côté opposé de l’appareil.  
D
Utiliser des pochettes et des boîtes antistati-  
ques pour stocker, déplacer ou expédier des  
cartes de circuits imprimes.  
L’EMPLOI EXCESSIF peut SUR-  
CHAUFFER L’ÉQUIPEMENT.  
DES ORGANES MOBILES peuvent  
provoquer des blessures.  
D
Prévoir une période de refroidissement ; re-  
specter le cycle opératoire nominal.  
D
D
Ne pas s’approcher des organes mobiles.  
D
Réduire le courant ou le facteur de marche  
avant de poursuivre le soudage.  
Ne pas s’approcher des points de coincement  
tels que des rouleaux de commande.  
D
Ne pas obstruer les passages d’air du poste.  
OM-220 389 Page 7  
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LES FILS DE SOUDAGE peuvent  
provoquer des blessures.  
LE RAYONNEMENT HAUTE FRÉ-  
QUENCE (H.F.) risque de provoquer  
des interférences.  
D
Ne pas appuyer sur la gâchette avant d’en  
avoir reçu l’instruction.  
D
Le rayonnement haute fréquence (H.F.) peut  
provoquer des interférences avec les équipe-  
ments de radio−navigation et de communica-  
tion, les services de sécurité et les ordinateurs.  
D
Ne pas diriger le pistolet vers soi, d’autres per-  
sonnes ou toute pièce mécanique en enga-  
geant le fil de soudage.  
D
Demander seulement à des personnes qualifiées familiarisées  
avec des équipements électroniques de faire fonctionner l’installa-  
tion.  
DES ORGANES MOBILES peuvent  
provoquer des blessures.  
D
D
L’utilisateur est tenu de faire corriger rapidement par un électricien  
qualifié les interférences résultant de l’installation.  
Si le FCC signale des interférences, arrêter immédiatement l’ap-  
pareil.  
D
S’abstenirde toucher des organes mobiles tels  
que des ventilateurs.  
D
Maintenirfermés et verrouillés les portes, pan-  
neaux, recouvrements et dispositifs de protec-  
tion.  
LE SOUDAGE À L’ARC risque de  
provoquer des interférences.  
D
D
Seules des personnes qualifiées sont autorisées à enlever les  
portes, panneaux, recouvrements ou dispositifs de protection  
pour l’entretien.  
D
L’énergie électromagnétique risque de provo-  
quer des interférences pour l’équipement élec-  
tronique sensible tel que les ordinateurs et l’é-  
quipement commandé par ordinateur tel que  
les robots.  
Remettreles portes, panneaux, recouvrements ou dispositifs de  
protection quand l’entretien est terminé et avant de rebrancher  
l’alimentation électrique.  
D
Veiller à ce que tout l’équipement de la zone de soudage soit  
compatibleélectromagnétiquement.  
D
Pour réduire la possibilité d’interférence, maintenir les câbles de  
soudage aussi courts que possible, les grouper, et les poser  
aussi bas que possible (ex. par terre).  
LIRE LES INSTRUCTIONS.  
D
Lisez le manuel d’instructions avant l’utilisation  
ou la maintenance de l’appareil.  
D
D
D
Veiller à souder à une distance de 100 mètres de tout équipe-  
ment électronique sensible.  
D
N’utiliser que les pièces de rechange recom-  
mandées par le constructeur.  
Veiller à ce que ce poste de soudage soit posé et mis à la terre  
conformément à ce mode d’emploi.  
D
Effectuer régulièrement le contrôle et l’entretien de l’installation.  
En cas d’interférences après avoir pris les mesures précéden-  
tes, il incombe à l’utilisateur de prendre des mesures supplé-  
mentairestelles que le déplacement du poste, l’utilisation de câ-  
bles blindés, l’utilisation de filtres de ligne ou la pose de protec-  
teurs dans la zone de travail.  
D
Maintenir soigneusement fermés les portes et les panneaux des  
sources de haute fréquence, maintenir les éclateurs à une distan-  
ce correcte et utiliser une terre et un blindage pour réduire les  
interférences éventuelles.  
2-4. Proposition californienne 65 Avertissements  
Pour les moteurs à essence :  
Les équipements de soudage et de coupage produisent des  
fumées et des gaz qui contiennent des produits chimiques  
dont l’État de Californie reconnaît qu’ils provoquent des mal-  
formations congénitales et, dans certains cas, des cancers.  
(Code de santé et de sécurité de Californie, chapitre 25249.5  
et suivants)  
Les gaz d’échappement des moteurs contiennent des pro-  
duits chimiques dont l’État de Californie reconnaît qu’ils  
provoquent des cancers et des malformations congénitales  
ou autres problèmes de procréation.  
Pour les moteurs diesel :  
Les batteries, les bornes et autres accessoires contiennent  
du plomb et des composés à base de plomb, produits chimi-  
ques dont l’État de Californie reconnaît qu’ils provoquent des  
cancers et des malformations congénitales ou autres  
problèmesde procréation. Se laver les mains après manipu-  
lation.  
Les gaz d’échappement des moteurs diesel et certains de  
leurs composants sont reconnus par l’État de Californie com-  
me provoquant des cancers et des malformations  
congénitalesou autres problèmes de procréation.  
OM-220 389 Page 8  
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2-5. Principales normes de sécurité  
Safety inWelding, Cutting, and Allied Processes, ANSI Standard Z49.1,  
de Global Engineering Documents (téléphone : 1-877-413-5184, site  
Internet : www.global.ihs.com).  
L4W 5NS (téléphone : 800-463-6727 ou à Toronto 416-747-4044, site  
Internet : www.csa-international.org).  
Safe Practice For Occupational And Educational Eye And Face Protec-  
tion, ANSI Standard Z87.1, de American National Standards Institute,  
11 West 43rd Street, New York, NY 10036-8002 (téléphone :  
212-642-4900,site Internet : www.ansi.org).  
RecommendedSafe Practices for the Preparation for Welding and Cut-  
ting of Containers and Piping, American Welding Society Standard  
AWS F4.1 de Global Engineering Documents (téléphone  
1-877-413-5184,site Internet : www.global.ihs.com).  
:
Standard for Fire Prevention During Welding, Cutting, and Other Hot  
Work, NFPA Standard 51B, de National Fire Protection Association,  
P.O. Box 9101, Quincy, MA 02269-9101 (téléphone : 617-770-3000,  
site Internet : www.nfpa.org).  
National Electrical Code, NFPA Standard 70, de National Fire Protec-  
tion Association, P.O. Box 9101, Quincy, MA 02269-9101 (téléphone :  
617-770-3000, site Internet : www.nfpa.org).  
OSHA, Occupational Safety and Health Standards for General Indus-  
try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,  
and Part 1926, Subpart J, de U.S. Government Printing Office, Superin-  
tendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954  
(téléphone: 1-866-512-1800) (il y a 10 bureaux régionaux−−le télépho-  
ne de la région 5, Chicago, est 312-353-2220, site Internet :  
www.osha.gov).  
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,  
de Compressed Gas Association, 4221 Walney Road, 5th Floor, Chan-  
tilly, VA 20151 (téléphone  
www.cganet.com).  
:
703-788-2700, site Internet  
:
Code for Safety in Welding and Cutting, CSA Standard W117.2, de  
CanadianStandards Association, 5060 Mississauga, Ontario, Canada  
2-6. Information EMF  
Considérationssur le soudage et les effets de basse fréquence et des  
champs magnétiques et électriques.  
1. Garder les câbles ensemble, les torsader, les scotcher, ou les  
recouvrir d’une housse.  
2. Disposer les câbles d’un côté et à distance de l’opérateur.  
3. Ne pas courber pas et ne pas entourer pas les câbles autour de  
votre corps.  
4. Garder le poste de soudage et les câbles le plus loin possible de  
vous.  
Le courant de soudage, pendant son passage dans les câbles de sou-  
dage, causera des champs électromagnétiques. Il y a eu et il y a encore  
un certain souci à propos de tels champs. Cependant, après avoir exa-  
miné 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  
magnétiqueset 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  
souhaitablede réduire votre exposition aux champs électromagnéti-  
ques pendant le soudage ou le coupage.  
5. Connecter la pince sur la pièce aussi près que possible de la  
soudure.  
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 induc-  
tion. Si le médecin approuve, il est recommandé de suivre les  
procédures précédentes.  
Pour réduire les champs magnétiques sur le poste de travail, appliquer  
les procédures suivantes :  
OM-220 389 Page 9  
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OM-220 389 Page 10  
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SECTION 3 − DEFINITIONS  
3-1. Manufacturer’s Warning Label Definitions  
Warning! Watch Out! There are  
possible hazards as shown by the  
symbols.  
1
Electric shock from welding  
electrode or wiring can kill.  
1.1 Wear dry insulating gloves.  
Do not touch electrode with  
bare hand. Do not wear wet or  
damaged gloves.  
1.2 Protect yourself from electric  
shock by insulating yourself  
from work and ground.  
1.3 Disconnect input plug or  
power before working on  
machine.  
2
Breathing welding fumes can  
be hazardous to your health.  
1
2
1.1  
2.1  
1.2  
1.3  
2.1 Keep your head out of the  
fumes.  
2.2 Use forced ventilation or local  
exhaust to remove the fumes.  
2.3 Use ventilating fan to remove  
fumes.  
2.2  
2.3  
3
Welding sparks can cause  
explosion or fire.  
3.1 Keep flammables away from  
welding. Do not weld near  
flammables.  
3.2 Welding sparks can cause  
fires. Have a fire extinguisher  
nearby, and have a  
3
4
5
3.1  
4.1  
3.2  
3.3  
watchperson ready to use it.  
3.3 Do not weld on drums or any  
closed containers.  
4
Arc rays can burn eyes and  
injure skin.  
4.1 Wear hat and safety glasses.  
Use ear protection and button  
shirt collar. Use welding  
helmet with correct shade of  
filter. Wear complete body  
protection.  
+ + +  
6
5
Become trained and read the  
instructions before working on  
the machine or welding.  
+
6
Do not remove or paint over  
(cover) the label.  
S-179 310  
1/96  
OM-220 389 Page 11  
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1
2
5
6
3
4
V
V
> 5 min  
V
219ꢀ844−A  
8
10  
9
7
1
Warning! Watch Out! There are  
possible hazards as shown by the  
symbols.  
Do not touch fully charged  
capacitors.  
can explode or cause other parts to  
explode.  
8
9
Flying pieces of parts can cause  
injury. Always wear a face shield  
when servicing unit.  
5
6
Always wait 5 minutes after power is  
turned off before working on unit, OR  
2
3
Electric shock from wiring can kill.  
Disconnect input plug or power  
before working on machine.  
Check input capacitor voltage, and  
be sure it is near 0 before touching  
any parts.  
Always wear long sleeves and button  
your collar when servicing unit.  
4
Hazardous voltage remains on input  
capacitors after power is turned off.  
10 After taking proper precautions as  
shown, connect power to unit.  
7
When power is applied failed parts  
4/04  
1
1
Warning! Watch Out! There  
are possible hazards as  
shown by the symbols.  
2
3
Falling equipment can cause  
injury and damage to unit.  
Always lift and support unit  
using both eye bolts. Keep  
angle of lifting device less  
than 60 degrees.  
°
= <60  
4
5
Use a proper cart to move  
unit.  
Do not use one eye bolt to lift  
or support unit.  
S-179 309-A  
5
2
3
4
1/96  
3-2. WEEE Label  
Do not discard this product with  
general waste.  
Reuse or recycle Waste Electrical  
and Electronic Equipment (WEEE)  
by disposing at a designated collec-  
tion facility.  
Contact your local recycling office  
or your local distributor for further  
information.  
OM-220 389 Page 12  
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3-3. Symbols And Definitions  
Direct Current  
(DC)  
Alternating  
Current (AC)  
Amperage  
Voltage  
On  
V
A
Output  
Off  
Circuit Breaker  
Positive  
Remote  
Negative  
Voltage Input  
Protective Earth  
(Ground)  
Arc Force  
Constant Voltage  
Inductance  
Three Phase Static  
Frequency Con-  
verter-  
Gas Metal Arc  
Welding (GMAW)  
Increase  
Line Connection  
Primary Voltage  
Transformer-  
Rectifier  
Rated No Load  
Voltage (Average)  
Conventional  
Load Voltage  
Duty Cycle  
U0  
X
U1  
IP  
U2  
I2  
Degree Of  
Protection  
Rated Welding  
Current  
Hertz  
Percent  
%
Hz  
Pulsed  
Single Phase  
Three Phase  
Suitable for Some  
Hazardous  
Rated Maximum  
Supply Current  
Maximum Effective  
Supply Current  
I1max  
I1eff  
S
Locations  
3-4. Manufacturer’s Rating Label  
5/04 − 225 636-C  
OM-220 389 Page 13  
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SECTION 4 − INSTALLATION  
. Appearanceof actual unit may vary from unit shown in manual.  
4-1. Specifications  
Amperes In-  
put At Rated  
Load Output  
50/60 ,  
Max  
Open  
Circuit Volt-  
age  
Rated  
Wire Feed  
Speed  
Range**  
Wire  
Diameter  
Range  
Input  
Voltage  
Range  
Input  
kVA  
Input  
KW  
Welding  
Power  
Output  
Three-Phase  
DC  
400V  
Three  
Phase  
10-44  
Standard:  
50-1400  
ipm  
.030-.062 in  
(0.8-1.6 mm)  
80  
27.9  
(0-1A*)  
19.46  
(0.8*)  
18.68  
(0.17*)  
400 V  
Input: 450 A @  
36.5 V DC,  
100%  
(1.3-35.6 mpm)  
Duty  
Cycle  
*While idling; Input amperage fluctuates while idling and is always less than one Ampere. Use one Ampere for power efficiency calculations.  
**Wire feed speed ranges are for GMAW welding. While pulse welding, wire feed speed ranges may be more limited.  
4-2. Dimensions And Weight  
Hole Layout Dimensions  
E
22-1/2 in  
(572 mm)  
A
A
B
C
D
E
17-3/32 in (434 mm)  
17-3/8 in (441 mm)  
19-3/32 in (485 mm)  
16-3/32 in (409 mm)  
1/2 in (13 mm)  
31 in  
(787 mm)  
B
C
Weight  
17-3/32 in  
(434 mm)  
163 lb (74 kg) Net  
180 lb (82 kg) Ship  
D
Ref. 803 410-B  
OM-220 389 Page 14  
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4-3. Duty Cycle And Overheating  
Duty Cycle is percentage of 10  
minutes that unit can weld at rated  
load without overheating.  
If unit overheats, thermostat(s)  
opens, output stops, and cooling  
fan runs. Wait fifteen minutes for  
unit to cool. Reduce amperage or  
duty cycle before welding.  
NOTICE − Exceeding duty cycle  
can damage unit and void warranty.  
100% Duty Cycle At 450 Amperes  
60% Duty Cycle At 580 Amperes  
6 Minutes Welding  
4 Minutes Resting  
ContinuousWelding  
Overheating  
0
A/V  
15  
OR  
Reduce Duty Cycle  
Minutes  
duty1 4/95 − 220 485-A  
4-4. Volt-Ampere Curves  
Volt-amperecurves show minimum  
and maximum voltage and  
amperage output capabilities of  
unit. Curves of other settings fall  
between curves shown.  
CV MODE  
80  
70  
60  
50  
40  
30  
20  
10  
0
. This  
volt-ampere  
curve  
represents the dynamic output  
of the unit with a static load.  
0
100  
200  
300  
400  
500  
600  
700  
AMPERAGE  
va_curve1 4/95 − 220 486-A  
OM-220 389 Page 15  
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4-5. Selecting A Location  
Movement  
Tipping  
!
Do not move or operate  
unit where it could tip.  
2
OR  
1
Location  
Do not stack units. Beware of  
tipping.  
!
Special installation may be required where gasoline or volatile  
liquids are present − see NEC Article 511 or CEC Section 20.  
1
Lifting Forks  
Use lifting forks to move unit.  
4
Extend forks beyond opposite side  
of unit.  
3
2
Hand Cart  
Use cart or similar device to move  
unit.  
18 in  
(460 mm)  
3
Rating Label  
Use rating label to determine input  
power needs.  
4
Line Disconnect Device  
Locate unit near correct input  
power supply.  
18 in  
(460 mm)  
loc_2 3/96 -Ref. 803 410-B  
4-6. Connection Diagram  
1
2
3
4
5
6
7
8
Welding Power Source  
Wire Feeder  
Gas Cylinder  
3
Gas Hose  
Network Feeder Cable  
Negative (−) Weld Cable  
Workpiece  
4
Work Sense Lead  
Recommendedfor Accu-pulse and  
RMD (optional).  
5
. Positive (+) voltage sensing  
lead is contained in the motor  
cable.  
2
1
9
Positive (+) Weld Cable  
7
8
9
6
Ref. 803 410-B / Ref. 801 915-A  
OM-220 389 Page 16  
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4-7. Rear Panel Receptacles And Supplementary Protectors  
1
115 V 10 A AC Receptacle RC2  
Receptacle supplies 60 Hz  
single-phase power. Maximum output  
from RC2 is limited by supplementary  
protector CB1 to 10 amps.  
4
2
2
3
Supplementary Protector CB1  
Supplementary Protector CB2  
1
3
CB1 protects 115 volt receptacle RC2  
from overload. If CB1 opens, RC2 does  
not work.  
CB2 protects the wirefeed motor from  
overload. If CB2 opens, the wirefeeder  
does not work.  
. Press button to reset breaker. If  
breaker continue to open, contact a  
Factory Authorized Service Agent.  
4
Network Wire Feeder Receptacle  
RC1  
Use receptacle to connect network  
feeder cable to power source (see  
Section 4-6).  
Ref. 803 417-A  
OM-220 389 Page 17  
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4-8. Connecting To Weld Terminals  
. If using an electrode negative (straight polarity)  
process, the volt sense lead must be connected  
to the work.  
1
2
6
3
Do not place  
anything between  
weld cable terminal  
and copper bar.  
4
5
Tools Needed:  
3/4 in (19mm)  
Correct Installation  
Incorrect Installation  
Ref. 803 410-B / 803 778-A  
cable size.  
6
Copper Bar  
!
Turn off power before connecting to  
weld output terminals.  
1
2
Positive (+) Weld Output Terminal  
Negative (−) Weld Output Terminal  
Remove supplied nut from weld output  
terminal. Slide weld cable terminal onto  
weld output terminal and secure with nut so  
that weld cable terminal is tight against  
copper bar. Do not place anything  
between weld cable terminal and copper  
bar. Make sure that the surfaces of the  
weld cable terminal and copper bar are  
clean.  
Failure to properly connect weld  
cables may cause excessive heat  
and start a fire, or damage your  
machine.  
Connect positive weld cable to Positive (+)  
weld terminal and negative (−) cable to  
Negative weld terminal.  
Determinetotal cable length in weld circuit  
(both positive and negative cables  
combined) and maximum welding  
amperes. See Section 5-1 to select proper  
3
4
5
Weld Output Terminal  
Supplied Weld Output Terminal Nut  
Weld Cable Terminal  
OM-220 389 Page 18  
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4-9. Network Wire Feeder Receptacle Functions  
Pin*  
Pin Information  
9
A
B
C
D
E
F
Not used.  
F
I
E
G
Shield.  
D
H
C
Volt sense.  
A
B
Can low.  
Can high.  
+24 volts dc common.  
+ 24 volts dc  
Motor voltage −40 volts  
G
H
I
Motor voltage +40 volts  
Ref. 803 417-A  
*The remaining pins are not used.  
4-10. Electrical Service Guide  
Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda-  
tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source.  
NOTICE − INCORRECT INPUT POWER can damage this welding power source. This welding power source requires a CONTINUOUS supply of  
input power at rated frequency(+10%) and voltage (+10%). Phase to ground voltage shall not exceed +10% of rated input voltage. Do not use a genera-  
tor with automatic idle device (that idles engine when no load is sensed) to supply input power to this welding power source.  
. Actual input voltage should not exceed 10% of indicated required input voltage. If actual input voltage is outside of this range, output may not  
be available.  
50/60 Hz  
Three  
Phase  
Input Voltage  
400  
28  
Input Amperes At Rated Output  
Max Recommended Standard Fuse Rating In Amperes  
1
2
3
Circuit Breaker , Time-Delay  
35  
40  
10  
Normal Operating  
4
Min Input Conductor Size In AWG  
211  
(64)  
Max Recommended Input Conductor Length In Feet (Meters)  
4
Min Grounding Conductor Size In AWG  
10  
Reference: 2005 National Electrical Code (NEC) (including article 630)  
1 Choose a circuit breaker with time-current curves comparable to a Time Delay Fuse.  
2 “Time-Delay” fuses are UL class “RK5” .  
3 “Normal Operating” (general purpose - no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and  
above).  
4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table  
310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.  
OM-220 389 Page 19  
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4-11. Connecting Input Power  
3
= GND/PE Earth Ground  
5
8
3
2
L1  
4
L2  
L3  
6
7
1
Route input conductors  
to filter board.  
Route ground conductor  
through tubing and cur-  
rent transducer to  
Kasjf;laksf;lkasdf’l;aksdf;lkasd;flksadflkasd;lk  
Kasjf;laksf;lkasdf’l;aksdf;lkasflkasd;lk  
Kasjf;laksf;lkasdf’l;aksdf;lkaslkasd;lk  
ground terminal.  
219ꢀ842−A  
Tools Needed:  
803 855-A / Ref. 803 766-A / 219 842-A  
5/16 in  
applicable, use lugs of proper amperage Disconnect  
Device  
Input  
Power  
Turn Off welding power source, and  
check voltage on input capacitors  
according to Section 9-1 before  
proceeding.  
capacity and correct hole size.  
Connections  
Welding Power Source Input Power  
Connections  
3
Disconnect Device (switch shown in  
the OFF position)  
4
Green Or Green/Yellow Grounding  
Conductor  
2
Strain Relief  
!
!
Installation must meet all National  
and Local Codes − have only qualified  
persons make this installation.  
Install strain relief of proper size for unit and  
input conductors. Route conductors (cord)  
through strain relief and tighten screws.  
5
6
7
Disconnect Device Grounding Terminal  
Input Conductors (L1, L2 And L3)  
Disconnect Device Line Terminals  
Disconnect and lockout/tagout input  
power before connecting input  
conductors from unit.  
S
Use large strain relief for input conductor  
size 8 and larger.  
Connect green or green/yellow grounding  
conductor to disconnect device grounding  
terminal first.  
S
Use small strain relief with reducing  
!
!
Make input power connections to the  
welding power source first.  
washers for input conductor size 10.  
Connect input conductors as shown in  
illustration.  
Connect input conductors L1, L2, and L3 to  
disconnect device line terminals.  
Always  
connect  
green  
or  
green/yellow conductor to supply  
grounding terminal first, and never to  
a line terminal.  
Route green or green/yellow grounding  
conductor through current transducer and  
connect to welding power source grounding  
terminalfirst. Then connect input conductors  
L1, L2, and L3 to welding power source line  
terminals.  
8
Over-Current Protection  
Select type and size of over-current protec-  
tion using Section 4-10 (fused disconnect  
switch shown).  
1
Input Power Conductors (Customer  
Supplied Cord)  
Select size and length of conductors using  
Close and secure door on disconnect device.  
Section 4-10. Conductors must comply with Reinstall side panel onto welding power Remove lockout/tagout device, and place  
national, state, and local electrical codes. If source. switch in the On position.  
OM-220 389 Page 20  
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SECTION 5 − RECOMMENDED SETUP PROCEDURES  
5-1. Selecting Weld Cable Sizes*  
ARC WELDING can cause Electromagnetic Interference.  
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 electronic equipment. Be sure this welding machine is installed  
and grounded according to 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.  
Weld Cable Size*** and Total Cable (Copper) Length in Weld Circuit  
Not Exceeding****  
350 ft  
(105  
m)  
400 ft  
(120  
m)  
150 ft  
(45 m)  
200 ft  
250 ft  
300 ft  
100 ft (30 m) or Less  
(60 m) (70 m) (90 m)  
Weld Output  
Terminals  
Turn off power before  
connecting to weld  
output terminals.  
10 − 60% 60 − 100%  
Welding  
Amperes**  
Duty  
Duty  
10 − 100% Duty Cycle  
Cycle  
Cycle  
Do not use worn, dam-  
aged, undersized, or  
poorly spliced cables.  
100  
150  
4 (20)  
3 (30)  
4 (20)  
3 (30)  
4 (20)  
2 (35)  
3 (30)  
1 (50)  
2 (35)  
1 (50)  
1/0 (60) 1/0 (60)  
3/0 (95) 3/0 (95)  
1/0 (60) 2/0 (70)  
2/0 (70) 3/0 (95)  
4/0  
(120)  
4/0  
(120)  
200  
250  
300  
350  
400  
500  
600  
700  
800  
3 (30)  
2 (35)  
2 (35)  
1 (50)  
1 (50)  
1/0 (60)  
2/0 (70)  
3/0 (95)  
3/0 (95)  
4/0 (120)  
1/0 (60)  
2/0 (70)  
3/0 (95)  
4/0  
3/0 (95)  
2 ea. 2/0 2 ea. 2/0  
(2x70) (2x70)  
(120)  
4/0  
(120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 3/0  
(2x70) (2x95) (2x95)  
1 (50)  
1/0 (60)  
2/0 (70)  
2/0 (70)  
3/0 (95)  
4/0 (120)  
4/0  
(120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 3/0 2 ea. 4/0  
(2x70) (2x95) (2x95) (2x120)  
1/0 (60)  
1/0 (60)  
2/0 (70)  
3/0 (95)  
4/0 (120)  
4/0 (120)  
4/0  
(120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0 2 ea. 4/0  
(2x70) (2x95) (2x120) (2x120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0 3 ea. 3/0 3 ea. 3/0  
(2x70) (2x95) (2x120) (3x95) (3x95)  
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0 3 ea. 3/0 3 ea. 4/0 3 ea. 4/0  
(2x70) (2x95) (2x120) (3x95) (3x120) (3x120)  
Positive  
)
Negative  
*
2 ea. 2/0  
(2x70)  
2 ea. 3/0 2 ea. 4/0 3 ea. 3/0 3 ea. 4/0 3 ea. 4/0 4 ea. 4/0  
(2x95) (2x120) (3x95) (3x120) (3x120) (4x120)  
Ref. 803 418-B  
2 ea. 2/0  
(2x70)  
2 ea. 3/0 2 ea. 4/0 3 ea. 4/0 3 ea. 4/0 4 ea. 4/0 4 ea. 4/0  
(2x95) (2x120) (3x120) (3x120) (4x120) (4x120)  
* This chart is a general guideline and may not suit all applications. If cable overheating occurs, use next size larger cable.  
**Cable should be sized for Peak Amperage (Apk) for pulse welding applications.  
***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.  
2
( ) = mm for metric use  
****For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.  
S-0007-E  
. In pulse welding applications using inverter power sources, peak currents can result in extreme voltage drops producing poor welding  
characteristics with undersized cables. A recommendation for weld cable size is a minimum of 2/0 for 300 ampere welding power sources and  
4/0 for 450 ampere welding power sources when total cable length is less than 100 ft (30m).  
OM-220 389 Page 21  
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5-2. Welding Circuit  
. Minimizingthe welding circuit loop can prevent extreme voltage drops that produce poor welding characteristics.  
1
2
3
4
5
6
7
Welding Power Source  
Electrode Cable  
Feeder Cable  
Work Cable  
1
Standard Welding Circuit  
Voltage Sensing Lead  
Wire Feeder  
Workpiece  
3
2
In pulse welding applications using  
inverter power sources, cable  
ECL  
6
resistance can result in less than  
satisfactory performance. In most  
cases, a welding circuit length of 50 ft  
(15 m) or less will provide satisfactory  
performance with a standard welding  
circuit connection.  
4
5
The length of a welding circuit is  
determinedas follows:  
Gun  
Travel  
WCL  
Welding Circuit = Electrode Cable  
Length (ECL) + Work Cable Length  
(WCL) + Workpiece Length (WL)  
See Section 5-1 for weld cable size.  
Variations in welding processes and  
welding circuit resistance can affect  
apparent voltage at the welding arc.  
Voltage sensing can improve welding  
performance by providing accurate  
feedback to the welding power source.  
7
WL  
Current Flow Path  
1
It is important to connect the voltage  
sensing lead as near to the weld as  
possible, but not in the return current  
path.  
Large Weld Structure  
3
2
ECL  
6
4
5
2
WCL  
7
WL  
Current Flow Path  
Ref. 804 457-A  
OM-220 389 Page 22  
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5-3. Arranging Welding Cables To Reduce Welding Circuit Inductance  
1
2
3
4
5
6
7
Welding Power Source  
Electrode Cable  
Feeder Cable  
Work Cable  
Bad  
Voltage Sensing Lead  
Wire Feeder  
1
Workpiece  
The method used to arrange cables has  
significant affect on welding  
2
3
a
properties. As an example, Accupulse  
and RMD welding processes can  
produce high welding circuit inductance  
depending on cable length and  
arrangement.This can result in limited  
current rise during droplet transfer into  
the welding puddle.  
6
5
The electrode sense lead is contained  
in the feeder control cable and  
automatically becomes enabled for all  
semi-automatic processes. The work  
sense lead connects to the Axcess  
welding power source 4-pin connector  
located above the negative output  
terminal. This work sense lead  
automatically compensates for work  
cable voltage drop when connected to  
the welding power source.  
4
7
Better  
Do not coil excess cables. Use cables  
that are the appropriate length for the  
application.Whenever using long weld  
cables [longer than 50 ft (15 m)] try to  
arrange positive and negative weld  
cables together to reduce the magnetic  
field surrounding the cables. Avoid  
coupling the feeder and work sense  
leads with the weld cables.  
1
2
3
6
4
5
7
Best  
1
2
3
6
4
5
7
Ref. 804 458-A  
OM-220 389 Page 23  
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. Welding on a single workpiece using multiple welding power sources can cause arc blow and arc impedance to develop or intensify.  
5-4. Using Multiple Welding Power Sources  
1
2
3
4
5
6
7
Welding Power Source  
Electrode Cable  
Feeder Cable  
1
Work Cable  
Voltage Sensing Lead  
Wire Feeder  
3
Workpiece  
Each welding power source should  
have a separate work cable connection  
to the workpiece. Do not stack or join  
work cables together at the workpiece.  
This is very important for pulse welding  
applications.  
2
6
It is important to connect the voltage  
sensing lead as near to the weld as  
possible, but not in the return current  
path.  
Connect voltage sensing lead at the end  
of the weld joint.  
The direction of the welding path should  
be away from the work cable  
connections.  
4
Connect work clamp at the beginning of  
the weld joint.  
5
Each welding gun should have its own  
source of shielding gas. Use a separate  
shielding gas regulator and shielding  
gas connection for each welding gun.  
1
7
Arc blow is the deflection of a welding  
arc from its normal path due to magnetic  
forces. It will adversely affect the  
appearanceof a weld, cause excessive  
spatter, and impair the quality of a weld.  
Arc blow occurs primarily during the  
welding of steel or ferromagnetic  
metals.Weld current will take the path of  
least resistance, but not always the  
most direct path through the workpiece  
to the work lead connection. The most  
intense magnet force will be around the  
arc due to a difference in resistance for  
the magnetic path in the base metal.  
The work clamp connection is important  
and should be placed at the starting  
point of a weld. It is recommended to  
have as short of an arc as possible so  
that there is less of an arc for the  
magnetic forces to control. Conditions  
affecting the magnetic force acting on  
the arc vary so widely that the reference  
here is only about cabling connections  
and arc preferences.  
5
Gun  
Travel  
3
2
6
4
Current Flow Path  
Ref. 804 459-A  
OM-220 389 Page 24  
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5-5. Voltage Sensing Lead And Work Cable Connections For Multiple Welding Arcs  
A. Bad Setup  
1
3
2
6
5
1
3
2
5
6
4
7
Current Flow Path  
Ref. 804 460-A  
1
2
3
4
5
6
Welding Power Source  
Electrode Cable  
Feeder Cable  
Work Cable  
Voltage Sensing Lead  
Wire Feeder  
7
Workpiece  
across the workpiece will not be measured  
correctly for the voltage feedback signal.  
Voltage feedback to the welding power  
sources will not be correct at either sense  
lead and result in poor arc starts and arc  
quality.  
This arrangement is a bad setup due to  
sensing leads being directly in the current  
flow path of the welding arc. Interaction  
between welding circuits will affect voltage  
drop in the workpiece. The voltage drop  
OM-220 389 Page 25  
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B. Better Setup  
1
3
2
6
4
5
1
7
3
2
6
4
5
Current Flow Path  
Ref. 804 461-A  
1
2
3
4
5
Welding Power Source  
Electrode Cable  
Feeder Cable  
Work Cable  
Voltage Sensing Lead  
6
7
Wire Feeder  
Workpiece  
the welding power sources. The most  
accurate voltage sensing may not be  
achieved due to voltage drops in the  
workpiece.  
This  
may  
require  
This arrangement is a better setup for  
supporting separate voltage feedback to  
compensationin the welding parameters.  
OM-220 389 Page 26  
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C. Best Setup  
1
3
2
6
5
1
7
4
5
3
2
6
4
Current Flow Path  
Ref. 804 462-A  
1
2
3
4
Welding Power Source  
Electrode Cable  
Feeder Cable  
5
6
7
Voltage Sensing Lead  
Wire Feeder  
This arrangement is the best setup for  
proper voltage sensing at the workpiece.  
Voltage feedback to the welding power  
sources will more accurate and result in  
reliable arc starts and better arc quality.  
Work Cable  
Workpiece  
OM-220 389 Page 27  
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SECTION 6 − OPERATION  
6-1. Front Panel Switches  
2
1
3
4
Ref. 803 418-B  
1
Power Switch  
2
Pilot Light  
3
4
PDA Port  
PC Port  
Light indicates status of welding power  
source, on when unit is on and off when unit is  
off.  
Turns unit On or Off.  
OM-220 389 Page 28  
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SECTION 7 − MAINTENANCE  
7-1. Routine Maintenance  
. Maintain more often  
Disconnect power  
before maintaining.  
during severe conditions.  
n = Check  
Z = Change  
~ = Clean  
l = Replace  
Reference  
* To be done by Factory Authorized Service Agent  
Every  
3
l Unreadable Labels  
~ Weld Terminals  
l Damaged Gas Hose  
nl Weld Cables  
Months  
nl Cords  
nl Gun Cables  
OR  
Every  
6
Months  
~ Drive Rolls  
~ Inside Unit  
7-2. Blowing Out Inside of Unit  
!
Do not remove case when  
blowing out inside of unit.  
To blow out unit, direct airflow  
through front and back louvers as  
shown.  
Ref. 803 410-B  
OM-220 389 Page 29  
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SECTION 8 − SAFETY PRECAUTIONS FOR SERVICING  
Protect yourself and others from injury — read and follow these precautions.  
8-1. Symbol Usage  
OM-220 389J - 2007−10, safety_stm 2007−04  
DANGER! − Indicates a hazardous situation which, if  
. Indicates special instructions.  
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.  
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.  
NOTICE − Indicates statements not related to personal injury.  
8-2. Servicing Hazards  
FIRE OR EXPLOSION hazard.  
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.  
D
D
Do not place unit on, over, or near combustible  
surfaces.  
Do not service unit near flammables.  
Only qualified persons should test, maintain, and repair this  
unit.  
During servicing, keep everybody, especially children, away.  
FLYING METAL or DIRT can injure eyes.  
D
D
Wear safety glasses with side shields or face  
shield during servicing.  
ELECTRIC SHOCK can kill.  
Be careful not to short metal tools, parts, or  
wires together during testing and servicing.  
D
D
Do not touch live electrical parts.  
Turn Off welding power source and wire feeder  
and disconnect and lockout input power using  
line disconnect switch, circuit breakers, or by removing plug from re-  
ceptacle, or stop engine before servicing unless the procedure spe-  
cifically requires an energized unit.  
HOT PARTS can cause severe burns.  
D
D
Do not touch hot parts bare handed.  
D
Insulate yourself from ground by standing or working on dry insulat-  
ing mats big enough to prevent contact with the ground.  
Allow cooling period before working on  
equipment.  
D
D
Do not leave live unit unattended.  
D
To handle hot parts, use proper tools and/or  
wear heavy, insulated welding gloves and  
clothing to prevent burns.  
If this procedure requires an energized unit, have only personnel  
familiar with and following standard safety practices do the job.  
D
D
When testing a live unit, use the one-hand method. Do not put both  
hands inside unit. Keep one hand free.  
EXPLODING PARTS can cause injury.  
Disconnect input power conductors from deenergized supply line  
BEFORE moving a welding power source.  
D
D
Failedparts can explode or cause other parts to  
explode when power is applied to inverters.  
SIGNIFICANT DC VOLTAGE exists after removal of  
input power on inverters.  
Always wear a face shield and long sleeves  
when servicing inverters.  
D
Turn Off inverter, disconnect input power, and discharge input  
capacitors according to instructions in Troubleshooting Section be-  
fore touching any parts.  
SHOCK HAZARD from testing.  
D
Turn Off welding power source and wire feeder  
or stop engine before making or changing me-  
ter lead connections.  
STATIC (ESD) can damage PC boards.  
D
D
Put on grounded wrist strap BEFORE handling  
boards or parts.  
D
D
Use at least one meter lead that has a self-  
retainingspring clip such as an alligator clip.  
Use proper static-proof bags and boxes to  
store, move, or ship PC boards.  
Read instructions for test equipment.  
OM-220 389 Page 30  
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OVERUSE can cause OVERHEATING.  
FALLING UNIT can cause injury.  
D
D
Allow cooling period; follow rated duty cycle.  
D
D
D
Use lifting eye to lift unit only, NOT running  
gear, gas cylinders, or any other accessories.  
Reduce current or reduce duty cycle before  
starting to weld again.  
Use equipment of adequate capacity to lift and  
support unit.  
D
Do not block or filter airflow to unit.  
If using lift forks to move unit, be sure forks are  
long enough to extend beyond opposite side of  
unit.  
H.F. RADIATION can cause interference.  
D
High-frequency (H.F.) can interfere with radio  
navigation, safety services, computers, and  
communicationsequipment.  
D
Have only qualified persons familiar with  
electronic equipment install, test, and service  
H.F. producing units.  
MOVING PARTS can cause injury.  
D
D
Keep away from moving parts such as fans.  
D
D
The user is responsible for having a qualified electrician prompt-  
ly correct any interference problem resulting from the installa-  
tion.  
Keep away from pinch points such as drive  
rolls.  
D
Have only qualified persons remove doors,  
panels, covers, or guards for maintenance as  
necessary.  
If notified by the FCC about interference, stop using the  
equipmentat once.  
D
D
Have the installation regularly checked and maintained.  
D
D
Keep hands, hair, loose clothing, and tools  
away from moving parts.  
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.  
Reinstall doors, panels, covers, or guards  
when maintenance is finished and before re-  
connecting input power.  
READ INSTRUCTIONS.  
MAGNETIC FIELDS can affect Implanted  
Medical Devices.  
D
D
D
Use Testing Booklet (Part No. 150 853) when  
servicing this unit.  
D
Wearers of Pacemakers and other Implanted  
Medical Devices should keep away from serv-  
icing areas until consulting their doctor and the  
device manufacturer.  
Consult the Owner’s Manual for welding safety  
precautions.  
Use only genuine replacement parts from the  
manufacturer.  
8-3. California Proposition 65 Warnings  
For Gasoline Engines:  
Welding or cutting equipment 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.)  
Engine exhaust contains chemicals known to the State of  
California to cause cancer, birth defects, or other reproduc-  
tive harm.  
For Diesel Engines:  
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  
reproductiveharm. Wash hands after handling.  
Diesel engine exhaust and some of its constituents are  
known to the State of California to cause cancer, birth  
defects, and other reproductive harm.  
8-4. EMF Information  
Considerations About Welding And The Effects Of Low Frequency  
Electric And Magnetic Fields  
1. Keep cables close together by twisting or taping them, or using a  
cable cover.  
2. Arrange cables to one side and away from the operator.  
3. Do not coil or drape cables around your body.  
Welding current, as it flows through welding cables, will cause electro-  
magnetic 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  
committees 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.  
4. Keep welding power source and cables as far away from opera-  
tor as practical.  
5. Connect work clamp to workpiece as close to the weld as possi-  
ble.  
About Implanted Medical Devices:  
ImplantedMedical 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.  
To reduce magnetic fields in the workplace, use the following  
procedures:  
OM-220 389 Page 31  
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SECTION 9 − TROUBLESHOOTING  
9-1. Removing Cover and Measuring Input Capacitor Voltage  
Turn Off welding power source, and  
disconnect input power.  
900 Volts dc can be present on the capacitor bus and  
significant DC voltage can remain on capacitors  
after unit is Off. Always check the voltage on both  
inverter assemblies as shown to be sure the input  
capacitorshave discharged before working on unit.  
Remove cover  
1
Power Interconnect Board  
PC2  
Tools Needed:  
2
Voltmeter  
5/16 in  
Measure the dc voltage across the  
+ bus terminal and − bus terminal on  
PC2 as shown until voltage drops to  
near 0 (zero) volts. Measure input  
capacitor voltage on both inverter  
assemblies before proceeding.  
3
Typical Bleeder Resistor  
An example of a typical bleeder  
resistor is shown on this page.  
Proceed with job inside unit.  
Reinstall cover when finished.  
1
2
+ lead to left bus terminal, − lead to right bus terminal  
1
2
3
Typical Bleeder Resistor  
25 to 1000 ohm, 5  
watt resistor  
+ lead to left bus terminal, − lead to right bus terminal  
#16 AWG 1000 volts dc  
insulation rating, approx  
3 in (76 mm) leads  
802 985 / Ref. 803 419-B  
OM-220 389 Page 32  
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9-2. Process Control Module PC4 Diagnostic LED’s  
1
Process Control Module PC4  
Diagnostic LED’s are visible inside unit,  
located on PC4 mounted on the top tray.  
Refer to Section 9-3 for information on  
diagnostic LED’s.  
1
Reinstall cover after checking diagnostic  
LED’s.  
LED1  
LED2  
LED3  
LED4  
216 956-A / Ref. 803 419-B  
9-3. Diagnostic LED’s On Process Control Module PC4  
LED  
Status  
Diagnosis  
1
On  
Off  
On  
Off  
On  
Off  
Indicates −25 volts dc is present on process control module PC4  
Indicates −25 volts dc is not present on process control module PC4  
Indicates +25 volts dc is present on process control module PC4  
Indicates +25 volts dc is not present on process control module PC4  
See Network Status Table in Section 9-4  
2
3,4  
See Network Status Table in Section 9-4  
OM-220 389 Page 33  
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9-4. Network And Module Status LED’s  
A. Network Status LED’s  
The following is a network status LED:  
LED4 on the PCM circuit board.  
Status  
Diagnosis  
Off  
Green  
The circuit board is not on-line with the network or there is no power applied to the circuit board.  
The circuit board is operating normally and the on-line connection is made with the network.  
The circuit board is waiting for an on-line connection to be made with the network.  
Flashing Green  
Red  
The circuit board has encountered a communication link failure with the network. Check DeviceNet cable connections. Verify  
dip switch positions according to Sections 1-2 and 1-3. Replace circuit board if necessary.  
B. Module Status LED’s  
The following is a module status LED:  
LED3 on the PCM circuit board.  
Status  
Diagnosis  
Off  
Green  
There is no power applied to the circuit board or the board software is not executing its functions.  
The circuit board is operating normally.  
Flashing Red  
Red  
The circuit board has encountered a recoverable fault. Wait or cycle power to clear fault.  
The circuit board has encountered an unrecoverable fault.  
OM-220 389 Page 34  
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9-5. Troubleshooting  
Trouble  
Remedy  
No weld output; completely inoperative Place line disconnect in On position (see Section 4-11).  
Check and replace line fuse(s), if necessary, or reset circuit breaker  
No weld output; meter display on with no Check to see if the contactor indicator light is lit when contactor line is asserted on.  
error displayed.  
Erratic or improper weld output with no Use proper size and type of weld cable (see Section 5-1).  
errors displayed.  
Clean and tighten all weld connections.  
No 115 volts AC at the duplex  
receptacle.  
Reset circuit breaker CB1.  
Wire does not feed.  
Check circuit breaker CB2 and reset if necessary.  
Check motor control cable connections.  
Readjust hub tension.  
Wire feeds erratically.  
Readjust drive roll pressure.  
Clean or replace dirty or worn drive rolls.  
Remove weld spatter around the nozzle opening.  
Replace contact tip or liner. See gun Owner’s Manual.  
Check motor control cable connections.  
Wire feeds as soon as power is supplied. Check gun trigger. See gun Owner’s Manual.  
Wire stubbing on low end using a Increase output setting of the power source.  
constant current power source.  
Check voltage sense lead connection, clean and tighten if necessary.  
Gas does not flow or does not stop flow- Check gas valve and flow meter.  
ing; wire feeds.  
Wire burns back to gun contact tip when Check to be sure that volt sense lead is connected to the work.  
using electrode negative (straight  
polarity) process.  
OM-220 389 Page 35  
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SECTION 10 − ELECTRICAL DIAGRAMS  
Figure 10-1. Circuit Diagram For Welding Power Source  
OM-220 389 Page 36  
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220 420-B  
OM-220 389 Page 37  
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SECTION 11 − PARTS LIST  
. Hardware is common and  
not available unless listed.  
2
1
3
17  
18  
6
19  
9
7
5
18  
9
13  
12  
11  
10  
15  
14  
15  
Ref. 803 856-B  
Figure 11-1. Main Assembly  
OM-220 389 Page 38  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . . 1 . . . . . . . . . . . . . . . . 210492 . . . Cover, Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 2 . . . . . T2 . . . . . . . 212543 . . . Xfmr, Control Toroidal 665 VAC Pri 1900 VA 60 Hz . . . . . . . . . . . . . . . . . 1  
. . . 3 . . . . . . . . . . . . . . . . 210481 . . . Plate, Mtg Toroid Xfmr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 4 . . . . . . . . . . . . . . . . Fig 11-3 . . . Top Tray Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 5 . . IM1, IM2 . . . . 214597 . . . Windtunnel, LH w/Components (Fig 11-2) . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . . . . . . . 222958 . . . Windtunnel, RH w/Components (Fig 11-2) . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 6 . . . . . . . . . . . . . . . . 198961 . . . Panel, Module Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 7 . . . . . W1 . . . . . . . 180270 . . . Contactor, DEF PRP 40A 3P 24VAC Coil W/Boxlug . . . . . . . . . . . . . . . . 1  
. . . 8 . . . . . . . . . . . . . . . . Fig 11-4 . . . Rear Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 9 . . . . . . . . . . . . . . . . 227793 . . . Panel, Side W/Insulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 10 . . . . . . . . . . . . . . . . 210482 . . . Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 11 . . . . . . . . . . . . . . . . 220200 . . . Filter Assembly, Primary Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 12 . . . . HD2 . . . . . . 182918 . . . Transducer, Current 400A Module Supply V +/− 15V . . . . . . . . . . . . . . . 1  
. . . 13 . . . . PC14 . . . . . . 185697 . . . Circuit Card Assy, Input Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 14 . . . . . . . . . . . . . . . . 148025 . . . Lug, Univ W/SCR 600V 2/0−6 Wire .266 Stud . . . . . . . . . . . . . . . . . . . . . 1  
. . . 15 . . . . . . . . . . . . . . . . 213372 . . . Filter Assy, Secondary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 16 . . . . . . . . . . . . . . . . Fig 11-5 . . . Front Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 227855 . . . Kit, Connectors W/Washer For Power Cables (Includes) . . . . . . . . . . . . 1  
. . . 17 . . . . . . . . . . . . . . . . 010467 . . . . Connector, Clamp Cable 1.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 18 . . . . . . . . . . . . . . . . 225840 . . . . Washer, Reducer 1.25 in − 0.75 in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 19 . . . . . . . . . . . . . . . . 010916 . . . . Connector, Clamp Cable 0.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
OPTIONAL  
+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.  
14  
. Hardware is common and  
15  
not available unless listed.  
2
1
3
4
5
6
7
12  
11  
8
13  
9
33  
34  
10  
35  
17  
6
16  
18  
7
19  
32  
31  
20  
21  
30  
23  
24  
29  
25  
23  
27  
36  
13  
28  
26  
22  
23  
38  
37  
802 955-A  
Figure 11-2. Windtunnel Assembly LH And RH  
OM-220 389 Page 39  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . . 1 . . . . . . . . . . . . . . . . 214597 . . . Windtunnel, LH w/Components (including). . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 2 . . . . . . . . . . . . . . . . 196351 . . . . Windtunnel, LH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 3 . . . . . L1 . . . . . . . 213940 . . . . Inductor, Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 4 . . . . . . . . . . . . . . . . 214519 . . . . Insulator, Heat Sink Rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 5 . . . R3, C4 . . . . . 233052 . . . . Resistor/Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 6 . . . . . . . . . . . . . . . . 199840 . . . . Bus Bar, Diode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 7 . . . D1, D2 . . . . . 201531 . . . . Kit, Diode Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 8 . . . . . . . . . . . . . . . . 196347 . . . . Heat Sink, Rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 9 . . . . . . . . . . . . . . . . 196349 . . . . Spacer, Windtunnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . . 10 . . . . . T1 . . . . . . . 203408 . . . . Xfmr, HF Litz/Litz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 11 . . . . . Z1 . . . . . . . 220496 . . . . Output Inductor Assy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 12 . . . . . . . . . . . . . . . . 170647 . . . . Bushing, Snap−in Nyl 1.312 Id X 1.500 Mtg Hole . . . . . . . . . . . . . . . . 2  
. . . 13 . . . . . . . . . . . . . . . . 179276 . . . . Bushing, Snap−in Nyl 1.000 Id X 1.375 Mtg Hole Cent . . . . . . . . . . . . 4  
. . . 14 . . . . . . . . . . . . . . . . 196355 . . . . Insulator, Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . . 15 . . . . . . . . . . . . . . . . 010546 . . . . Bushing, Snap−in Nyl .375 Id X .500 Mtg Hole . . . . . . . . . . . . . . . . . . . 1  
. . . 16 . . . . . . . . . . . . . . . . 222958 . . . Windtunnel, RH w/Components (including) . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 17 . . . . . . . . . . . . . . . . 196332 . . . . Windtunnel, RH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 18 . . . . . . . . . . . . . . . . 030170 . . . . Bushing, Snap−in Nyl .750 Id X 1.000 Mtg Hole Cent . . . . . . . . . . . . . 2  
. . . 19 . . . . . . . . . . . . . . . . 196259 . . . . Plugs, w/Leads & Current Xfmr (including) . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 115092 . . . . . . . Housing, Plug & Skts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 115091 . . . . . . . Housing, Plug & Skts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . CT1 . . . . . . 196231 . . . . . . . Xfmr, Current Sensing 200/1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 20 . . . . . . . . . . . . . . . . 201695 . . . . Clamp, Capacitor (Bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 21 . . . C1, C2 . . . . . 226081 . . . . Capacitor,Elctlt 2400 Uf 500 Vdc Can 2.50 Dia . . . . . . . . . . . . . . . . . 2  
. . . 22 . . . . . . . . . . . . . . . . 210507 . . . . Clamp, Capacitor (Top) Machined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 23 . . . . . . . . . . . . . . . . 217625 . . . . Kit, Input/Pre−regulator And Inverter Module . . . . . . . . . . . . . . . . . . . . 1  
. . . 24 . . RT1, RT2 . . . . 214015 . . . . Thermistor, NTC 30K Ohm @ 25 Deg C 7&18in Lead . . . . . . . . . . . . 1  
. . . 25 . . . . PC2 . . . . . . 222661 . . . . Circuit Card Assy, Power Interconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 26 . . . . . C3 . . . . . . . 196143 . . . . Capacitor, Polyp Met Film 16. Uf 400 VAC 10% . . . . . . . . . . . . . . . . . . 1  
. . . 27 . . . . . . . . . . . . . . . . 196378 . . . . Bracket, Mtg Current Xfmr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 28 . . . . HD1 . . . . . . 182918 . . . . Transducer, Current 400A Module Supply V +/− 15v . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 196384 . . . . Cable, Transducer 20in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 29 . . . R1, R2 . . . . . 196343 . . . . Resistors, W/Leads & Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 196840 . . . . Insulator, Resistors/Interface Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 30 . . . . . . . . . . . . . . . . 109056 . . . . Core, Ferrite E 2.164 Lg X 1.094 High X .826 Wide . . . . . . . . . . . . . . 1  
. . . 31 . . . . . . . . . . . . . . . . 196514 . . . . Gasket, Inductor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 32 . . . . . . . . . . . . . . . . 196512 . . . . Bracket, Inductor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 33 . . . . . . . . . . . . . . . . 196330 . . . . Heat Sink, Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 34 . . . . . L2 . . . . . . . 196345 . . . . Coil, Inductor (Pre−regulator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 35 . . . . . . . . . . . . . . . . 196588 . . . . Baffle, Foam Rubber (Lower) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 196365 . . . . Plugs, w/Leads (Fan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . . . . . 199136 . . . . Plugs, w/Leads (PC2 To PC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 36 . . . . PC1 . . . . . . 218790 . . . Circuit Card Assy, Control (Inverter 300A) . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 37 . . . . . . . . . . . . . . . . 204846 . . . Insulator, Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . . 38 . . . . . . . . . . . . . . . . 083147 . . . Grommet, Scr No 8/10 Panel Hole .312 Sq .500 High . . . . . . . . . . . . . . 4  
+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-220 389 Page 40  
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. Hardware is common and  
1
not available unless listed.  
2
3
4
5
6
5
7
803 422-B  
Figure 11-3. Top Tray Assembly  
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
Figure 11-3. Top Tray Assembly (Fig 11-1 Item 4)  
. . . 1 . . . . PC3 . . . . . . 231928 . . . Circuit Card Assy, Aux Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 2 . . . . . . . . . . . . . . . . 223439 . . . Insulator, Circuit Card (Aux Power) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 3 . . . . . . . . . . . . . . . . 170647 . . . Bushing, Snap−in Nyl 1.312 Id X 1.500 Mtg Hole . . . . . . . . . . . . . . . . . . 1  
. . . 4 . . . . PC4 . . . . . . 204048 . . . Circuit Card Assy, Process Control Module . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 5 . . . . . . . . . . . . . . . . 083147 . . . Grommet, SCR No 8/10 Panel Hole .312 Sq .500 High . . . . . . . . . . . . . 8  
. . . 6 . . . . . . . . . . . . . . . . 210491 . . . Panel, Mtg Components Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 7 . . . . . . . . . . . . . . . . 198122 . . . Stand−Off Support, PC Card .250 w/Post&Lock .500 . . . . . . . . . . . . . . . 1  
OPTIONAL  
+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-220 389 Page 41  
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. Hardware is common and  
3
4
not available unless listed.  
2
1
11  
10  
9
5
6
7
8
Ref. 803 423-B  
Figure 11-4. Rear Panel Assembly  
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . . 1 . . . . . . . . . . . . . . . . 210474 . . . Panel, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 2 . . . . . . . . . . . . . . . . 210358 . . . Eye Bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 3 . . . . . . . . . . . . . . . . 219929 . . . Nameplate, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 4 . . . . . . . . . . . . . . . . 217297 . . . Cover, Receptacle Weatherproof Duplex Rcpt . . . . . . . . . . . . . . . . . . . . . 1  
. . . 5 . . . . . . . . . . . . . . . . 210483 . . . Bracket, lift eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 6 . . . . CB1 . . . . . . 083432 . . . Supplementary Protector, Man Reset 1P 10A 250VAC Frict . . . . . . . . . 1  
. . . 7 . . . . CB2 . . . . . . 093995 . . . Supplementary Protector, Man Reset 1P 15A 250VAC Frict . . . . . . . . . 1  
. . . 8 . . . . RC2 . . . . . . 196814 . . . Receptacle, w/Leads (115V Duplex) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 9 . . . . PC12 . . . . . . 209676 . . . Circuit Card Assy, E-Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 10 . . . . . . . . . . . . . . . . 115440 . . . Stand-off, no 6-32 x .687 lg .250 hex al fem . . . . . . . . . . . . . . . . . . . . . . . 4  
. . . 11 . . . . . . . . . . . . . . . . 212764 . . . Plug Assy,Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
OPTIONAL  
+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-220 389 Page 42  
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. Hardware is common and  
not available unless listed.  
2
22  
1
21  
3
5
6
7
6
20  
19  
4
18  
7
8
9
10  
6
11  
12  
13  
15  
11  
14  
17  
16  
17  
Ref. 803 424-B  
Figure 11-5. Front Panel Assembly  
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . . 1 . . . . . S1 . . . . . . . 207456 . . . Switch, Rotary 2 Posn 1P 40A 600VAC PNLMTG 90Deg . . . . . . . . . . . 1  
. . . 2 . . . . . . . . . . . . . . . . 207895 . . . Insulator,Switch Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 3 . . . . . . . . . . . . . . . . 211475 . . . Plate, front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 4 . . . . PC13 . . . . . . 208071 . . . Circuit Card Assy,ISO/COMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 5 . . . . . FM . . . . . . . 196313 . . . Fan, Muffin 115V 50/60 Hz 3000 Rpm 6.378 Mtg Holes . . . . . . . . . . . . . 2  
. . . 6 . C6, C7, C8 . . . 206878 . . . Capacitor Assy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . . 7 . . . . . . . . . . . . . . . . 213102 . . . Choke, Common Mode w/Leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 8 . . . . . . . . . . . . . . . . 216965 . . . Cover, Connector D-sub 9 skt Female w/Chain . . . . . . . . . . . . . . . . . . . . 1  
. . . 9 . . . . . . . . . . . . . . . . 216966 . . . Cover, Connector D-sub 9 pin Male w/Chain . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 10 . . . . RC5 . . . . . . 214664 . . . Receptacle, Common Mode Choke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 11 . . . . . . . . . . . . . . . . 025248 . . . Stand−off, Insul .250−20 X 1.250 Lg X .437 Thd . . . . . . . . . . . . . . . . . . . 2  
. . . 12 . . . . . . . . . . . . . . . . 207897 . . . Bus Bar, Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 13 . . . . . . . . . . . . . . . . 210866 . . . Terminal, Pwr Output Black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 14 . . . . . . . . . . . . . . . . 210473 . . . Panel, Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 15 . . . . . . . . . . . . . . . . 219843 . . . Label, Work Sense (Wordless) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
OM-220 389 Page 43  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . . 16 . . . . . . . . . . . . . . . . 207896 . . . Box, Louver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 17 . . . . . . . . . . . . . . . . 186621 . . . Boot, Generic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . 18 . . . . . PL1 . . . . . . 163562 . . . Light, ind white lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 19 . . . . . . . . . . . . . . . . 210496 . . . Nameplate, Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 20 . . . . . . . . . . . . . . . . 210865 . . . Terminal, Pwr Output Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 21 . . . . . . . . . . . . . . . . 210483 . . . Bracket, lift eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . 22 . . . . . . . . . . . . . . . . 210358 . . . Bolt, eye shld thd stem .500−13 X 1.500 . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
OPTIONAL  
+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-220 389 Page 44  
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Effective January 1, 2007  
(Equipment with a serial number preface of “LH” or newer)  
This limited warranty supersedes all previous Miller warranties and is exclusive with no other  
guarantees or warranties expressed or implied.  
Warranty Questions?  
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.  
*
Induction Heating Coils and Blankets, Cables, and  
Non-Electronic Controls  
Call  
1-800-4-A-MILLER  
for your local  
Miller distributor.  
*
*
*
*
*
*
APT & SAF Model Plasma Cutting Torches  
Remote Controls  
Accessory (Kits)  
Replacement Parts (No labor)  
Spoolmate Spoolguns  
Canvas Covers  
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.  
Your distributor also gives  
you ...  
Miller’s True Blue® Limited Warranty shall not apply to:  
Service  
1. Consumable components; such as contact tips,  
cutting nozzles, contactors, brushes, slip rings, relays  
or parts that fail due to normal wear. (Exception:  
brushes, slip rings, and relays are covered on Bobcat,  
Trailblazer, and Legend models.)  
You always get the fast,  
reliable response you  
need. Most replacement  
parts can be in your  
hands in 24 hours.  
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  
one year after the equipment is shipped to a North American  
distributor or eighteen months after the equipment is shipped to  
an International distributor.  
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.  
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.  
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.  
1. 5 Years Parts — 3 Years Labor  
*
Original main power rectifiers  
2. 3 Years — Parts and Labor  
*
*
*
*
*
*
*
*
Transformer/Rectifier Power Sources  
Plasma Arc Cutting Power Sources  
Process Controllers  
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.  
Semi-Automatic and Automatic Wire Feeders  
Inverter Power Sources (Unless Otherwise Stated)  
Water Coolant Systems (Integrated)  
Intellitig  
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 based upon actual 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.  
Engine Driven Welding Generators  
(NOTE: Engines are warranted separately by the  
engine manufacturer.)  
3. 1 Year — Parts and Labor Unless Specified  
*
Motor Driven Guns (w/exception of Spoolmate  
Spoolguns)  
*
*
*
*
Positioners and Controllers  
Automatic Motion Devices  
RFCS Foot Controls  
TO THE EXTENT PERMITTED BY LAW, THE REMEDIES  
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE  
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR  
Induction Heating Power Sources, Coolers, and  
Electronic  
Controls/Recorders  
DIRECT,  
INDIRECT,  
SPECIAL,  
INCIDENTAL  
OR  
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF  
PROFIT), WHETHER BASED ON CONTRACT, TORT OR ANY  
OTHER LEGAL THEORY.  
*
*
*
*
*
*
*
*
*
*
Water Coolant Systems (Non-Integrated)  
Flowgauge and Flowmeter Regulators (No Labor)  
HF Units  
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND  
Grids  
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,  
Spot Welders  
Load Banks  
Arc Stud Power Sources & Arc Stud Guns  
Racks  
INCLUDING  
ANY  
IMPLIED  
WARRANTY  
OF  
Running Gear/Trailers  
MERCHANTABILITY OR FITNESS FOR PARTICULAR  
PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT  
FURNISHED BY MILLER IS EXCLUDED AND DISCLAIMED  
BY MILLER.  
Plasma Cutting Torches (except APT & SAF  
Models)  
*
Field Options  
(NOTE: Field options are covered under True Blue®  
for the remaining warranty period of the product they  
are installed in, or for a minimum of one year —  
whichever is greater.)  
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.  
*
*
*
Bernard-Branded Mig Guns (No Labor)  
Weldcraft-Branded TIG Torches (No Labor)  
Subarc Wire Drive Assemblies  
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,  
4. 6 Months — Batteries  
5. 90 Days — Parts  
*
MIG Guns/TIG Torches and Subarc (SAW) Guns  
but may vary from province to province.  
miller_warr 2007−01  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Owner’s Record  
Please complete and retain with your personal records.  
Model Name  
Purchase Date  
Distributor  
Address  
Serial/Style Number  
(Date which equipment was delivered to original customer.)  
City  
State  
Zip  
For Service  
Contact 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  
Miller Electric Mfg. Co.  
An Illinois Tool Works Company  
1635 West Spencer Street  
Appleton, WI 54914 USA  
Replacement Parts  
Training (Schools, Videos, Books)  
International Headquarters−USA  
USA Phone: 920-735-4505 Auto-Attended  
USA & Canada FAX: 920-735-4134  
International FAX: 920-735-4125  
Technical Manuals (Servicing Information  
and Parts)  
Circuit Diagrams  
European Headquarters −  
United Kingdom  
Phone: 44 (0) 1204-593493  
FAX: 44 (0) 1204-598066  
Welding Process Handbooks  
To locate a Distributor or Service Agency visit  
www.MillerWelds.com  
Contact the Delivering Carrier to:  
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.  
PRINTED IN USA  
© 2007 Miller Electric Mfg. Co.2007−01  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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