Miller M-10 Gun Owner's manual

Category
Welding System
Type
Owner's manual

This manual is also suitable for

R
Visit our website at
www.MillerWelds.com
Processes
OM-1324 204 408C
April 2003
Arc Welding Power Source And
Wire Feeder
Description
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Millermatic
135/175
And M-10 Gun
Miller Electric manufactures a full line
of welders and welding related equipment.
For information on other quality Miller
products, contact your local Miller distributor to receive the latest full
line catalog orindividual catalog sheets. To locate your nearest
distributor or service agency call 1-800-4-A-Miller, or visit us at
www.MillerWelds.com on the web.
Thank you and congratulations on choosing Miller. Now you can get
the job done and get it done right. We know you don’t have time to do
it any other way.
That’s why when Niels Miller first started building arc welders in 1929,
he made sure his products offered long-lasting value and superior
quality. Like you, his customers couldn’t afford anything less. Miller
products had to be more than the best they could be. They had to be the
best you could buy.
Today, the people that build and sell Miller products continue the
tradition. They’re just as committed to providing equipment and service
that meets the high standards of quality and value established in 1929.
This Owners Manual is designed to help you get the most out of your
Miller products. Please take time to read the Safety precautions. They
will help you protect yourself against potential hazards on the worksite.
We’ve made installation and operation quick
and easy. With Miller you can count on years
of reliable service with proper maintenance.
And if for some reason the unit needs repair,
there’s a Troubleshooting section that will
help you figure out what the problem is. The
parts list will then help you to decide the
exact part you may need to fix the problem.
Warranty and service information for your
particular model are also provided.
Miller is the first welding
equipment manufacturer in
the U.S.A. to be registered to
the ISO 9001:2000 Quality
System Standard.
Working as hard as you do
– every power source from
Miller is backed by the most
hassle-free warranty in the
business.
From Miller to You
Miller offers a Technical
Manual which provides
more detailed service and
parts information for your
unit. To obtain a Technical
Manual, contact your local
distributor. Your distributor
can also supply you with
Welding Process Manuals
such as SMAW, GTAW,
GMAW, and GMAW-P.
The following terms are
used interchangeably
throughout this manual:
MIG=GMAW
TABLE OF CONTENTS
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1. Symbol Usage 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2. Arc Welding Hazards 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3. Additional Symbols For Installation, Operation, And Maintenance 3. . . . . . . . . . . . . . . . . . . . .
1-4. Principal Safety Standards 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5. EMF Information 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1 – CONSIGNES DE SECURITE – LIRE AVANT UTILISATION 5. . . . . . . . . . . . . . . . . . . . .
1-1. Signification des symboles 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2. Dangers relatifs au soudage à l’arc 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement
et la maintenance 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4. Principales normes de sécurité 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5. Information sur les champs électromagnétiques 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 2 – SPECIFICATIONS 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1. Specifications 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2. Duty Cycle And Overheating 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3. Volt-Ampere Curves 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3 – INSTALLATION 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1. Installing Welding Gun 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2. Installing Work Clamp 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3. Work Cable Routing Inside Unit 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4. Process/Polarity Table 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5. Changing Polarity 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6. Installing Gas Supply 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7. Selecting A Location And Connecting Input Power For 115 VAC Model 15. . . . . . . . . . . . . . . . .
3-8. Selecting A Location And Connecting Input Power For 230 VAC Model 16. . . . . . . . . . . . . . . .
3-9. Electrical Service Guide For 230 VAC Model 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10. Installing Wire Spool And Adjusting Hub Tension 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-11. Threading Welding Wire 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4 – OPERATION 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1. Controls 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2. Weld Parameter Chart For 115 VAC Model 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3. Weld Parameter Chart For 230 VAC Model 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5 – MAINTENANCE &TROUBLESHOOTING 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1. Routine Maintenance 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2. Overload Protection 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3. Drive Motor Protection And Tip Saver/Short Circuit Protection 24. . . . . . . . . . . . . . . . . . . . . . . .
5-4. Changing Drive Roll Or Wire Inlet Guide 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-5. Replacing Gun Contact Tip 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6. Cleaning Or Replacing Gun Liner 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-7. Replacing Switch And/Or Head Tube 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-8. Troubleshooting Table 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6 – ELECTRICAL DIAGRAM 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 7 – MIG WELDING (GMAW) GUIDELINES 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-1. Typical MIG Process Connections 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2. Typical MIG Process Control Settings 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3. Holding And Positioning Welding Gun 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4. Conditions That Affect Weld Bead Shape 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-5. Gun Movement During Welding 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-6. Poor Weld Bead Characteristics 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-7. Good Weld Bead Characteristics 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-8. Troubleshooting – Excessive Spatter 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-9. Troubleshooting – Porosity 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-10. Troubleshooting – Excessive Penetration 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-11. Troubleshooting – Lack Of Penetration 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-12. Troubleshooting – Incomplete Fusion 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-13. Troubleshooting – Burn-Through 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-14. Troubleshooting – Waviness Of Bead 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-15. Troubleshooting – Distortion 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-16. Common MIG Shielding Gases 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 8 – PARTS LIST 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY
OM-1324
WARNING
This product, when used
for welding or cutting,
produces fumes or
gases which contain
chemicals known to the
State of California to
cause birth defects and,
in some cases, cancer.
(California Health &
Safety Code Section
25249.5 et seq.)
OM-1324 Page 1
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING
som _nd_4/98
1-1. Symbol Usage
Means Warning! Watch Out! There are possible hazards
with this procedure! The possible hazards are shown in
the adjoining symbols.
Y Marks a special safety message.
. Means “Note”; not safety related.
This group of symbols means Warning! Watch Out! possible
ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.
Consult symbols and related instructions below for necessary actions
to avoid the hazards.
1-2. Arc Welding Hazards
Y The symbols shown below are used throughout this manual to
call attention to and identify possible hazards. When you see
the symbol, watch out, and follow the related instructions to
avoid the hazard. The safety information given below is only
a summary of the more complete safety information found in
the Safety Standards listed in Section 1-4. Read and follow all
Safety Standards.
Y Only qualified persons should install, operate, maintain, and
repair this unit.
Y During operation, keep everybody, especially children, away.
ELECTRIC SHOCK can kill.
Touching live electrical parts can cause fatal shocks
or severe burns. The electrode and work circuit is
electrically live whenever the output is on. The input
power circuit and machine internal circuits are also
live when power is on. In semiautomatic or automatic wire welding, the
wire, wire reel, drive roll housing, and all metal parts touching the
welding wire are electrically live. Incorrectly installed or improperly
grounded equipment is a hazard.
D Do not touch live electrical parts.
D Wear dry, hole-free insulating gloves and body protection.
D Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
D Do not use AC output in damp areas, if movement is confined, or if
there is a danger of falling.
D Use AC output ONLY if required for the welding process.
D If AC output is required, use remote output control if present on
unit.
D 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).
D Properly install and ground this equipment according to its
Owner’s Manual and national, state, and local codes.
D Always verify the supply ground – check and be sure that input
power cord ground wire is properly connected to ground terminal in
disconnect box or that cord plug is connected to a properly
grounded receptacle outlet.
D When making input connections, attach proper grounding conduc-
tor first – double-check connections.
D Frequently inspect input power cord for damage or bare wiring –
replace cord immediately if damaged – bare wiring can kill.
D Turn off all equipment when not in use.
D Do not use worn, damaged, undersized, or poorly spliced cables.
D Do not drape cables over your body.
D If earth grounding of the workpiece is required, ground it directly
with a separate cable.
D Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
D Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
D Wear a safety harness if working above floor level.
D Keep all panels and covers securely in place.
D Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
D Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
D Do not connect more than one electrode or work cable to any
single weld output terminal.
SIGNIFICANT DC VOLTAGE exists after removal of
input power on inverters.
D Turn Off inverter, disconnect input power, and discharge input
capacitors according to instructions in Maintenance Section
before touching any parts.
Welding produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
FUMES AND GASES can be hazardous.
D Keep your head out of the fumes. Do not breathe the fumes.
D If inside, ventilate the area and/or use exhaust at the arc to remove
welding fumes and gases.
D If ventilation is poor, use an approved air-supplied respirator.
D Read the Material Safety Data Sheets (MSDSs) and the
manufacturers instructions for metals, consumables, coatings,
cleaners, and degreasers.
D 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.
D 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.
D Do not weld on coated metals, such as galvanized, lead, or
cadmium plated steel, unless the coating is removed from the weld
area, the area is well ventilated, and if necessary, while wearing an
air-supplied respirator. The coatings and any metals containing
these elements can give off toxic fumes if welded.
OM-1324 Page 2
Arc rays from the welding process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin. Sparks fly off from the
weld.
ARC RAYS can burn eyes and skin.
D Wear a welding helmet fitted with a proper shade of filter to protect
your face and eyes when welding or watching (see ANSI Z49.1
and Z87.1 listed in Safety Standards).
D Wear approved safety glasses with side shields under your
helmet.
D Use protective screens or barriers to protect others from flash and
glare; warn others not to watch the arc.
D Wear protective clothing made from durable, flame-resistant mate-
rial (leather and wool) and foot protection.
Welding on closed containers, such as tanks,
drums, or pipes, can cause them to blow up. Sparks
can fly off from the welding arc. The flying sparks, hot
workpiece, and hot equipment can cause fires and
burns. Accidental contact of electrode to metal objects can cause
sparks, explosion, overheating, or fire. Check and be sure the area is
safe before doing any welding.
WELDING can cause fire or explosion.
D Protect yourself and others from flying sparks and hot metal.
D Do not weld where flying sparks can strike flammable material.
D Remove all flammables within 35 ft (10.7 m) of the welding arc. If
this is not possible, tightly cover them with approved covers.
D Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
D Watch for fire, and keep a fire extinguisher nearby.
D Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
D 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).
D Connect work cable to the work as close to the welding area as
practical to prevent welding current from traveling long, possibly
unknown paths and causing electric shock and fire hazards.
D Do not use welder to thaw frozen pipes.
D Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
D Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
D Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
FLYING METAL can injure eyes.
D Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
D Wear approved safety glasses with side
shields even under your welding helmet.
BUILDUP OF GAS can injure or kill.
D Shut off shielding gas supply when not in use.
D Always ventilate confined spaces or use
approved air-supplied respirator.
HOT PARTS can cause severe burns.
D Do not touch hot parts bare handed.
D Allow cooling period before working on gun or
torch.
MAGNETIC FIELDS can affect pacemakers.
D Pacemaker wearers keep away.
D Wearers should consult their doctor before
going near arc welding, gouging, or spot
welding operations.
NOISE can damage hearing.
Noise from some processes or equipment can
damage hearing.
D Wear approved ear protection if noise level is
high.
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.
CYLINDERS can explode if damaged.
D Protect compressed gas cylinders from excessive heat, mechani-
cal shocks, slag, open flames, sparks, and arcs.
D Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
D Keep cylinders away from any welding or other electrical circuits.
D Never drape a welding torch over a gas cylinder.
D Never allow a welding electrode to touch any cylinder.
D Never weld on a pressurized cylinder – explosion will result.
D Use only correct shielding gas cylinders, regulators, hoses, and fit-
tings designed for the specific application; maintain them and
associated parts in good condition.
D Turn face away from valve outlet when opening cylinder valve.
D Keep protective cap in place over valve except when cylinder is in
use or connected for use.
D Read and follow instructions on compressed gas cylinders,
associated equipment, and CGA publication P-1 listed in Safety
Standards.
OM-1324 Page 3
1-3. Additional Symbols For Installation, Operation, And Maintenance
FIRE OR EXPLOSION hazard.
D Do not install or place unit on, over, or near
combustible surfaces.
D Do not install unit near flammables.
D Do not overload building wiring – be sure power supply system is
properly sized, rated, and protected to handle this unit.
FALLING UNIT can cause injury.
D Use lifting eye to lift unit only, NOT running
gear, gas cylinders, or any other accessories.
D Use equipment of adequate capacity to lift and
support unit.
D If using lift forks to move unit, be sure forks are
long enough to extend beyond opposite side of
unit.
OVERUSE can cause OVERHEATING
D Allow cooling period; follow rated duty cycle.
D Reduce current or reduce duty cycle before
starting to weld again.
D Do not block or filter airflow to unit.
STATIC (ESD) can damage PC boards.
D Put on grounded wrist strap BEFORE handling
boards or parts.
D Use proper static-proof bags and boxes to
store, move, or ship PC boards.
MOVING PARTS can cause injury.
D Keep away from moving parts.
D Keep away from pinch points such as drive
rolls.
WELDING WIRE can cause injury.
D Do not press gun trigger until instructed to do
so.
D Do not point gun toward any part of the body,
other people, or any metal when threading
welding wire.
MOVING PARTS can cause injury.
D Keep away from moving parts such as fans.
D Keep all doors, panels, covers, and guards
closed and securely in place.
H.F. RADIATION can cause interference.
D High-frequency (H.F.) can interfere with radio
navigation, safety services, computers, and
communications equipment.
D Have only qualified persons familiar with
electronic equipment perform this installation.
D The user is responsible for having a qualified electrician prompt-
ly correct any interference problem resulting from the installa-
tion.
D If notified by the FCC about interference, stop using the
equipment at once.
D Have the installation regularly checked and maintained.
D 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.
ARC WELDING can cause interference.
D Electromagnetic energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
D Be sure all equipment in the welding area is
electromagnetically compatible.
D To reduce possible interference, keep weld cables as short as
possible, close together, and down low, such as on the floor.
D Locate welding operation 100 meters from any sensitive elec-
tronic equipment.
D Be sure this welding machine is installed and grounded
according to this manual.
D 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.
1-4. Principal Safety Standards
Safety in Welding and Cutting, ANSI Standard Z49.1, from American
Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126
Safety and Health Standards, OSHA 29 CFR 1910, from Superinten-
dent of Documents, U.S. Government Printing Office, Washington, D.C.
20402.
Recommended Safe Practices for the Preparation for Welding and Cut-
ting of Containers That Have Held Hazardous Substances, American
Welding Society Standard AWS F4.1, from American Welding Society,
550 N.W. LeJeune Rd, Miami, FL 33126
National Electrical Code, NFPA Standard 70, from National Fire Protec-
tion Association, Batterymarch Park, Quincy, MA 02269.
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
from Compressed Gas Association, 1235 Jefferson Davis Highway,
Suite 501, Arlington, VA 22202.
Code for Safety in Welding and Cutting, CSA Standard W117.2, from
Canadian Standards Association, Standards Sales, 178 Rexdale
Boulevard, Rexdale, Ontario, Canada M9W 1R3.
Safe Practices For Occupation And Educational Eye And Face
Protection, ANSI Standard Z87.1, from American National Standards
Institute, 1430 Broadway, New York, NY 10018.
Cutting And Welding Processes, NFPA Standard 51B, from National
Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
OM-1324 Page 4
1-5. EMF Information
Considerations About Welding And The Effects Of Low Frequency
Electric And Magnetic Fields
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
committee’s judgment, has not demonstrated that exposure to power-
frequency electric and magnetic fields is a human-health hazard.”
However, studies are still going forth and evidence continues to be
examined. Until the final conclusions of the research are reached, you
may wish to minimize your exposure to electromagnetic fields when
welding or cutting.
To reduce magnetic fields in the workplace, use the following
procedures:
1. Keep cables close together by twisting or taping them.
2. Arrange cables to one side and away from the operator.
3. Do not coil or drape cables around your body.
4. Keep welding power source and cables as far away from opera-
tor as practical.
5. Connect work clamp to workpiece as close to the weld as possi-
ble.
About Pacemakers:
Pacemaker wearers consult your doctor first. If cleared by your doctor,
then following the above procedures is recommended.
OM-1324 Page 8
1-4. Principales normes de sécurité
Safety in Welding and Cutting, norme ANSI Z49.1, de l’American Wel-
ding Society, 550 N.W. Lejeune Rd, Miami FL 33126
Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent
of Documents, U.S. Government Printing Office, Washington, D.C.
20402.
Recommended Safe Practice for the Preparation for Welding and Cut-
ting of Containers That Have Held Hazardous Substances, norme AWS
F4.1, de l’American Welding Society, 550 N.W. Lejeune Rd, Miami FL
33126
National Electrical Code, NFPA Standard 70, de la National Fire Protec-
tion Association, Batterymarch Park, Quincy, MA 02269.
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
de la Compressed Gas Association, 1235 Jefferson Davis Highway,
Suite 501, Arlington, VA 22202.
Règles de sécurité en soudage, coupage et procédés connexes, norme
CSA W117.2, de l’Association canadienne de normalisation, vente de
normes, 178 Rexdale Boulevard, Rexdale (Ontario) Canada M9W 1R3.
Safe Practices For Occupation And Educational Eye And Face Protec-
tion, norme ANSI Z87.1, de l’American National Standards Institute,
1430 Broadway, New York, NY 10018.
Cutting and Welding Processes, norme NFPA 51B, de la National Fire
Protection Association, Batterymarch Park, Quincy, MA 02269.
1-5. Information sur les champs électromagnétiques
Données sur le soudage électrique et sur les effets, pour l’organisme,
des champs magnétiques basse fréquence
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 ex-
aminé plus de 500 études qui ont été faites pendant une période de
recherche de 17 ans, un comité spécial ruban bleu du National Re-
search Council a conclu: “L’accumulation de preuves, suivant le
jugement du comité, n’a pas démontré que l’exposition aux champs
magnétiques et champs électriques à haute fréquence représente un
risque à la santé humaine”. Toutefois, des études sont toujours en cours
et les preuves continuent à être examinées. En attendant que les con-
clusions finales de la recherche soient établies, il vous serait
souhaitable de réduire votre exposition aux champs électromagnéti-
ques pendant le soudage ou le coupage.
Afin de réduire les champs électromagnétiques dans l’environnement
de travail, respecter les consignes suivantes :
1 Garder les câbles ensembles en les torsadant ou en les
attachant avec du ruban adhésif.
2 Mettre tous les câbles du côté opposé 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.
5 Relier la pince de masse le plus près possible de la zone de
soudure.
Consignes relatives aux stimulateurs cardiaques :
Les personnes qui portent un stimulateur cardiaque doivent avant tout
consulter leur docteur. Si vous êtes déclaré apte par votre docteur, il est
alors recommandé de respecter les consignes ci–dessus.
OM-1324 Page 9
SECTION 2 – SPECIFICATIONS
2-1. Specifications
A. 115 VAC Model
Rated Welding
Output
Amperage Range
Maximum
Open-Circuit
Voltage DC
Amperes Input at
Rated Load Out-
put 115 V, 60 Hz,
Single-Phase
KVA KW
Weight
W/ Gun
Overall
Dimensions
90 A @ 18
Volts DC, 20%
Duty Cycle
63 A @ 21
Volts DC, 20%
Duty Cycle*
30 – 135
28
20
15*
2.88
2.20*
2.40
1.77*
60 lb
(27 kg)
Length: 17-1/2 in
(444 mm)
Width: 10-5/8 in
(273 mm)
Height: 15-3/4 in
(400 mm)
Solid Stainless Flux Cored Wire Feed Speed Range
Wire Type
And Dia
.024 - .030 in
(0.6 - 0.8
mm)
.023 - .030 in
(0.6 - 0.8
mm)
.030 - .035 in
(0.8 - 0.9 mm)
40 – 620 IPM (1.0 – 15.7 m/min) At No Load
20 – 600 IPM (0.5 – 15.2 m/min) Feeding Wire
* CSA Rating
B. 230 VAC Model
Rated Welding
Output
Amperage
Range
Maximum Open-
Circuit Voltage
DC
Amperes Input at
Rated Load Output
230 V, 50/60 Hz,
Single-Phase
KVA KW
Weight
W/ Gun
Overall
Dimensions
130 A @ 20 Volts
DC, 30% Duty Cycle
At 60 Hz Input
30 – 175
30 19.5 4.60 3.75
73 lb
(33.0 kg)
Length: 17-1/2 in
(444 mm)
Width: 10-5/8 in
(273 mm)
Height: 15-3/4 in
(400 mm)
Wire Type
And Dia
Solid/
Stainless
Flux Cored
Wire Feed Speed Range
Wire Type
And Dia
.024 – .035 in
(0.6 – 0.9 mm)
.030 – .045 in
(0.8 – 1.2 mm)
40 – 720 IPM (1.0 – 18.3 m/min) At No Load
20 – 700 IPM (0.5 – 17.8 m/min) Feeding Wire
OM-1324 Page 10
2-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes 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.
Y Exceeding duty cycle can
damage unit or gun and void
warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
duty1 4/95 – 203 771 / 203 796
A. 115 VAC
Model
B. 230 VAC
Model
3 Minutes Welding 7 Minutes Resting
20% duty cycle at 90 amps
30% duty cycle at 130 amps, 60 Hz
20% duty cycle at 130 amps, 50 Hz
2 Minutes Welding 8 Minutes Resting
0
20
40
60
80
100
120
140
10 20 30 40 50 60 70 80 90 100
RatedOutput
Output Amperes
Duty Cycle %
0
20
40
60
80
100
120
140
160
180
200
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Output Amperes
Duty Cycle %
OM-1324 Page 11
2-3. Volt-Ampere Curves
The volt-ampere curves show the
minimum and maximum voltage
and amperage output capabilities of
the welding power source. Curves
of other settings fall between the
curves shown.
ssb1.1 10/91 – 203 772 / 203 797
A. 115 VAC Model
B. 230 VAC Model
0
5
10
15
20
25
30
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100. 110. 120. 130.
AMPERAGE
VOLTAGE
Voltage Control @ 10
Voltage Control @ 9
Voltage Control @ 8
Voltage Control @ 7
Voltage Control @ 6
Voltage Control @ 5
Voltage Control @ 4
Voltage Control @ 3
Voltage Control @ 2
Voltage Control @ 1
Voltage Control @ 0
0
5
10
15
20
25
30
35
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
AMPERAGE
VOLTAGE
Voltage Control @ 10
Voltage Control @ 9
Voltage Control @ 8
Voltage Control @ 7
Voltage Control @ 6
Voltage Control @ 5
Voltage Control @ 4
Voltage Control @ 3
Voltage Control @ 2
Voltage Control @ 1
Voltage Control @ 0
OM-1324 Page 12
SECTION 3 – INSTALLATION
3-1. Installing Welding Gun
Ref. 802 982 / Ref. 801 987
1 Drive Assembly
2 Gun Securing Knob
3 Gun End
Loosen knob. Insert gun end
through opening until it bottoms
against drive assembly. Tighten
knob.
4 Gun Trigger Plug
Insert into receptacle, and tighten
threaded collar.
Close door.
4
2
3
1
3-2. Installing Work Clamp
1 Nut
2 Work Cable From Unit
3 Work Clamp
4 Screw
5 Work Clamp Tabs
Bend tabs around work cable.
802 456
1
2
3
4
5
Tools Needed:
3/8, 7/16 in
3-3. Work Cable Routing Inside Unit
Ref. 802 982
1 Work Cable
2 Output Terminal Block
Insert work cable through opening
in front panel and route along back
of front panel to output terminal
block.
Close door.
2
1
OM-1324 Page 13
3-4. Process/Polarity Table
Process
Polarity
Cable Connections
Process
Polarity
Cable To Gun Cable To Work
GMAW – Solid wire with shield-
ing gas
DCEP – Reverse polarity Connect to positive (+) out-
put terminal
Connect to negative (–) output
terminal
FCAW – Self-shielding wire –
no shielding gas
DCEN – Straight Polarity Connect to negative (–)
output terminal
Connect to positive (+) output
terminal
3-5. Changing Polarity
1 Lead Connections For Direct
Current Electrode Positive
(DCEP)
2 Lead Connections For Direct
Current Electrode Negative
(DCEN)
Always read and follow wire
manufacturers recommended po-
larity, and see Section 3-4.
Close door.
1
Ref. 203 501
2
CHANGING POLARITY
DCEP
Electrode POSITIVE
FOR SOLID WIRE
DCEN
Electrode Negative
Flux Core Wire
Work Clamp
Le ad
Wire Drive
Le ad
WorkClamp
Le ad
Wire Drive
Le ad
CHANGING POLARITY
DCEP
Electrode Positive
FOR SOLID WIRE
DCEN
Electrode Negative
Flux Core Wire
Work Clamp
Le ad
Wire Drive
Le ad
WorkClamp
Le ad
Wire Drive
Le ad
OM-1324 Page 14
3-6. Installing Gas Supply
Obtain gas cylinder and chain to
running gear, wall, or other station-
ary support so cylinder cannot fall
and break off valve.
1 Cap
2 Cylinder Valve
Remove cap, stand to side of valve,
and open valve slightly. Gas flow
blows dust and dirt from valve.
Close valve.
3 Cylinder
4 Regulator/Flowmeter
Install so face is vertical.
5 Regulator/Flowmeter Gas
Hose Connection
6 Welding Power Source Gas
Hose Connection
Connect customer supplied gas
hose between regulator/flowmeter
gas hose connection, and fitting on
rear of welding power source.
7 Flow Adjust
Typical flow rate is 20 cfh (cubic feet
per hour). Check wire manufactur-
ers recommended flow rate.
8CO
2
Adapter (Customer Sup-
plied)
9 O-Ring (Customer Supplied)
Install adapter with O-ring between
regulator/flowmeter and CO
2
cylinder.
Tools Needed:
CO
2
Gas
8 9
3
1
2
4
5
7
1
2
3
OR
802 028 / 802 441
5/8, 1-1/8 in
6
Argon Gas
Or
Argon/CO
2
Gas Mix
OM-1324 Page 15
3-7. Selecting A Location And Connecting Input Power For 115 VAC Model
1 Rating Label
2 Grounded Receptacle
A 115 volt, 20 ampere individual
branch circuit protected by time-de-
lay fuses or circuit breaker is re-
quired.
3 Plug From Unit
Select extension cord of 14 AWG
for up to 50 ft (15 m) or 12 AWG for
50 up to 200 ft (61 m).
Y Special installation may be
required where gasoline or
volatile liquids are present –
see NEC Article 511 or CEC
Section 20.
18 in
(460 mm)
18 in
(460 mm)
Ref. 802 980
1
2
3
OM-1324 Page 16
3-8. Selecting A Location And Connecting Input Power For 230 VAC Model
1 Rating Label
Supply correct input power.
2 Plug
3 Receptacle
Connect plug to receptacle.
4 Line Disconnect Device
See Section 3-9.
Y Special installation may be
required where gasoline or
volatile liquids are present –
see NEC Article 511 or CEC
Section 20.
ssb2.2* 1/94 – 802 980 / Ref. 802 443 / Ref. 802 085
1
18 in (457 mm) of
space for airflow
L1
L2
L1
L2
2
230 VAC, 1
Y Always connect
grounding
conductor first.
= GND/PE
4
3
Y Do not move or operate unit
where it could tip.
OM-1324 Page 17
3-9. Electrical Service Guide For 230 VAC Model
Input Voltage
230
Input Amperes At Rated Output
20
Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes
20
Min Input Conductor Size In AWG/Kcmil
14
Max Recommended Input Conductor Length In Feet (Meters)
66 (20)
Min Grounding Conductor Size In AWG/Kcmil
12
Reference: 1996 National Electrical Code (NEC) S-0092-J
3-10. Installing Wire Spool And Adjusting Hub Tension
When a slight force is needed
to turn spool, tension is set.
1/2 in
Tools Needed:
802 971 / 803 012 / 803 013-A
Installing 8 in (203 mm) Wire Spool
Installing 4 in (102 mm) Wire Spool
Retaining ring used
with 8 in (203 mm)
spool only.
Adapter used with
8 in (203 mm)
spool only.
When a slight force is needed
to turn spool, tension is set.
Use supplied spacer if
spool does not stay on
adapter locating pin.
OM-1324 Page 18
3-11. Threading Welding Wire
1 Wire Spool
2 Welding Wire
3 Inlet Wire Guide
4 Pressure Adjustment Knob
5 Drive Roll
6 Gun Conduit Cable
Lay gun cable out straight.
Tools Needed:
6
1
3
4
5
Pull and hold wire; cut off end.
4 in
(102 mm)
Remove gun nozzle and contact tip.
Open pressure assembly.
Push wire thru guides into gun;
continue to hold wire.
Be sure that wire is positioned
in proper feed roll groove.
Close and tighten pressure
assembly, and let go of wire.
. Hold wire tightly to keep it
from unraveling.
Ref. 802 444 / Ref. 205 837
WOOD
Feed wire to check drive roll pressure.
Tighten knob enough to prevent slipping.
Cut off wire. Close door.
Press gun trigger until wire comes
out of gun.
Be sure that tip matches wire diameter.
Reinstall contact tip and nozzle.
2
Turn power on.
INPUT
POWER
Tighten
1
2
3
4
. Use pressure indicator scale to set a desired
drive roll pressure. Begin with a setting of 3.
If necessary, make additional adjustments
after trying this initial setting.
Pressure
Indicator
Scale
Tighten
1
2
3
4
6 in
(150 mm)
OM-1324 Page 19
SECTION 4 – OPERATION
4-1. Controls
1 Wire Speed Control
Turn control clockwise to increase wire
feed speed. (see weld parameter chart in
welding power source or Sections 4-2 and
4-3, as applicable).
2 Voltage Control
Turn control clockwise to increase voltage
(see weld parameter chart in welding
power source or Sections 4-2 and 4-3, as
applicable).
3 Power Switch
4 Over Temperature Light
5 Gun Trigger Receptacle
Ref. 203 498
2
1
3
4
WI RE SPEED
VOLTAGE
TRI GGER OVER T EMP P OWER
OFF
ON
V
5
OM-1324 Page 20
4-2. Weld Parameter Chart For 115 VAC Model
Selecting Wire, Gas and Control Settings
What
Material
Are
you
Welding
Tri–Mix
90% He / 7.5% Ar / 2.5% CO
2
No Shielding Gas
required. Good for windy
or outdoor applications.
C
25
Gas Mixture
75% Ar / 25% CO
2
(Ar / CO
2
produces less
spatter better overall
appearance)
Suggested
Gases
(Flow Rate
of
20–30
cfh)
.024”
(
0.6 mm
)
.030”
(
0.8 mm
)
.024”
(
0.6 mm
)
.030”
(
0.8 mm
)
.030”
(
0.8 mm
)
.035”
(
0.9 mm
)
.024”
(
0.6 mm
)
.030”
(
0.8 mm
)
Wire
Sizes
(Diameters)
Steel
Stainless
Steel
100% CO
2
Solid Wire
(or Hard)
ER70S–6
(DCEP)
Solid Wire
(or Hard)
ER70S–6
(DCEP)
Flux Core
E71T–11
(DCEN)
Stainless
Steel
(DCEP)
Suggested
Wire
Types,
Polarity
Note: 1. Settings are approximate. Adjust as required.
2. ”––” Means not recommended.
3. Thicker materials can be welded using proper technique,
joint preparation and multiple passes.
M–10 (#195605) Torch Consumables:
Contact Tips:
.024” (0.6 mm) #087299
.030”
(0.8
mm)
#000067
.035” (0.9 mm) #000068
Nozzles:
#169715
Tip Adapter:
#169716
Liners:
.024” (0.6 mm) #194010
.030
.035”
(0.8
0.9
mm)
#194011
.035
.045” (0.9
1.2 mm) #194012
Quick Change Dual Grooved Drive Rolls:
Wire Diameters
.024”
(0.6 mm)
.030” (0.8 mm)
.035”
(0.9
mm)
V–Smooth
#202925
#202925
#202925
V–Knurled
*
#202926
#202926
*
For Flux Core or
Stainless Wire
Match feedroll groove to diameter of wire being used. Set Tension knob setting to 3 at start.
Adjust tension per instructions in the manual.
Shielding
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Miller M-10 Gun Owner's manual

Category
Welding System
Type
Owner's manual
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