OM-815
October 1994
Eff. w/Serial Number KC310301
Processes
Multiprocess Welding
Description
Mounting Rack For Up To Four XMT
300 Welding Power Sources With
AUTO-LINK And Requiring 230/460
Volt Input Power
R
XMT 4-Rack
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Call
TABLE OF CONTENTS
1-800-4-A-MILLER
for your local
Miller distributor.
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2. Arc Welding Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3. Additional Symbols For Installation, Operation, And Maintenance . . . . . . . . . . . . . . . . . . . . .
1-4. Principal Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5. EMF Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 2 – SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3 – SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4 – INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1. Selecting A Location And Moving Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2. Installing Welding Power Source Onto Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3. Welding Power Source Input Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4. Common Work Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5. Paralleling Welding Power Sources For SMAW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6. Connecting Input Power To Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1
1
Your distributor gives
you ...
3
Service
3
4
You always get the fast,
reliable response you
need. Most replacement
parts can be in your
hands in 24 hours.
5
5
6
Support
6
6
7
8
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.
9
10
SECTION 5 – MAINTENANCE & TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5-1. Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2. Overload Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
12
12
SECTION 6 – ELECTRICAL DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SECTION 7 – PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
WARRANTY
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.
For practical information on
welding, process applica-
tions, and Miller products,
visit our website at
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SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING
som _nd_5/97
1-1. Symbol Usage
Means Warning! Watch Out! There are possible hazards
with this procedure! The possible hazards are shown in
the adjoining symbols.
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.
Y
Marks a special safety message.
. Means “Note”; not safety related.
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.
D
D
D
If earth grounding of the workpiece is required, ground it directly
with a separate cable – do not use work clamp or work cable.
Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
D
D
D
Wear a safety harness if working above floor level.
Keep all panels and covers securely in place.
Y
Y
Only qualified persons should install, operate, maintain, and
repair this unit.
During operation, keep everybody, especially children, away.
Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
D
D
Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
ELECTRIC SHOCK can kill.
Do not connect more than one electrode or work cable to any
single weld output terminal.
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
SIGNIFICANT DC VOLTAGE exists after removal of
input power on inverters.
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.
D
Turn Off inverter, disconnect input power, and discharge input
capacitors according to instructions in Maintenance Section
before touching any parts.
D
D
D
Do not touch live electrical parts.
Wear dry, hole-free insulating gloves and body protection.
FUMES AND GASES can be hazardous.
Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
Welding produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
D
Do not use AC output in damp areas, if movement is confined, or if
there is a danger of falling.
D
D
Keep your head out of the fumes. Do not breathe the fumes.
D
D
Use AC output ONLY if required for the welding process.
If inside, ventilate the area and/or use exhaust at the arc to remove
welding fumes and gases.
If AC output is required, use remote output control if present on
unit.
D
D
If ventilation is poor, use an approved air-supplied respirator.
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).
Read the Material Safety Data Sheets (MSDSs) and the
manufacturer’s instructions for metals, consumables, coatings,
cleaners, and degreasers.
D
D
Properly install and ground this equipment according to its
Owner’s Manual and national, state, and local codes.
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.
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.
D
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
D
When making input connections, attach proper grounding conduc-
tor first – double-check connections.
Frequently inspect input power cord for damage or bare wiring –
replace cord immediately if damaged – bare wiring can kill.
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 if necessary, while wearing an
air-suppliedrespirator. The coatings and any metals containing
these elements can give off toxic fumes if welded.
D
D
D
Turn off all equipment when not in use.
Do not use worn, damaged, undersized, or poorly spliced cables.
Do not drape cables over your body.
OM-815 Page 1
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ARC RAYS can burn eyes and skin.
BUILDUP OF GAS can injure or kill.
D
D
Shut off shielding gas supply when not in use.
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.
Always ventilate confined spaces or use
approved air-supplied respirator.
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).
HOT PARTS can cause severe burns.
D
D
D
Wear approved safety glasses with side shields under your
helmet.
D
D
Do not touch hot parts bare handed.
Use protective screens or barriers to protect others from flash and
glare; warn others not to watch the arc.
Allow cooling period before working on gun or
torch.
Wear protective clothing made from durable, flame-resistant mate-
rial (leather and wool) and foot protection.
MAGNETIC FIELDS can affect pacemakers.
WELDING can cause fire or explosion.
D
D
Pacemaker wearers keep away.
Wearers should consult their doctor before
going near arc welding, gouging, or spot
welding operations.
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.
NOISE can damage hearing.
D
D
D
Protect yourself and others from flying sparks and hot metal.
Do not weld where flying sparks can strike flammable material.
Noise from some processes or equipment can
damagehearing.
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
Wear approved ear protection if noise level is
high.
D
Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
D
D
Watch for fire, and keep a fire extinguisher nearby.
CYLINDERS can explode if damaged.
Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
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.
D
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).
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
D
Protect compressed gas cylinders from excessive heat, mechani-
cal shocks, slag, open flames, sparks, and arcs.
Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
D
D
Do not use welder to thaw frozen pipes.
Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
D
D
D
D
D
Keep cylinders away from any welding or other electrical circuits.
Never drape a welding torch over a gas cylinder.
D
D
Wear oil-free protective garments such as leather gloves, heavy
shirt, cuffless trousers, high shoes, and a cap.
Never allow a welding electrode to touch any cylinder.
Never weld on a pressurized cylinder – explosion will result.
Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
Use only correct shielding gas cylinders, regulators, hoses, and fit-
tings designed for the specific application; maintain them and
associated parts in good condition.
FLYING METAL can injure eyes.
D
D
Turn face away from valve outlet when opening cylinder valve.
D
Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
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.
D
Wear approved safety glasses with side
shields even under your welding helmet.
OM-815 Page 2
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1-3. Additional Symbols For Installation, Operation, And Maintenance
FIRE OR EXPLOSION hazard.
MOVING PARTS can cause injury.
D
Do not install or place unit on, over, or near
combustiblesurfaces.
D
D
Keep away from moving parts such as fans.
Keep all doors, panels, covers, and guards
closed and securely in place.
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.
H.F. RADIATION can cause interference.
D
D
D
Use lifting eye to lift unit only, NOT running
gear, gas cylinders, or any other accessories.
D
High-frequency (H.F.) can interfere with radio
navigation, safety services, computers, and
communicationsequipment.
Use equipment of adequate capacity to lift and
support unit.
D
Have only qualified persons familiar with
electronic equipment perform this installation.
If using lift forks to move unit, be sure forks are
long enough to extend beyond opposite side of
unit.
D
D
The user is responsible for having a qualified electrician prompt-
ly correct any interference problem resulting from the installa-
tion.
If notified by the FCC about interference, stop using the
equipmentat once.
OVERUSE can cause OVERHEATING
D
D
Allow cooling period; follow rated duty cycle.
D
D
Have the installation regularly checked and maintained.
Reduce current or reduce duty cycle before
starting to weld again.
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.
D
Do not block or filter airflow to unit.
STATIC (ESD) can damage PC boards.
D
D
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.
D
Electromagnetic energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
MOVING PARTS can cause injury.
D
Be sure all equipment in the welding area is
electromagneticallycompatible.
D
D
Keep away from moving parts.
Keep away from pinch points such as drive
rolls.
D
D
D
D
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.
D
D
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.
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
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,
from Compressed Gas Association, 1235 Jefferson Davis Highway,
Suite 501, Arlington, VA 22202.
Safety and Health Standards, OSHA 29 CFR 1910, from Superinten-
dent of Documents, U.S. Government Printing Office, Washington, D.C.
20402.
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.
Recommended Safe Practices for the Preparation for Weldingand 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
NationalElectrical Code, NFPA Standard 70, from National Fire Protec-
tion Association, Batterymarch Park, Quincy, MA 02269.
Cutting And Welding Processes, NFPA Standard 51B, from National
Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
OM-815 Page 3
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1-5. 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.
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
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.
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:
To reduce magnetic fields in the workplace, use the following
procedures:
Pacemaker wearers consult your doctor first. If cleared by your doctor,
then following the above procedures is recommended.
OM-815 Page 4
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SECTION 2 – SAFETY INFORMATION
mod1.1 2/93
Read all safety messages throughout this manual.
Obey all safety messages to avoid injury.
Learn the meaning of WARNING and CAUTION.
1
2
Safety Alert Symbol
Signal Word
1
2
2
WARNING means possible death
or serious injury can happen.
WARNING
CAUTION
3
4
CAUTION means possible minor
injury or equipment damage can
happen.
ELECTRIC SHOCK can kill.
MOVING PARTS can injure.
• Do not touch live electrical parts.
• Keep away from moving parts.
• Disconnect input power before
• Keep all panels and covers closed
3
Statement Of Hazard And Re-
sult
installing or servicing.
when operating.
4
Safety Instructions To Avoid
Hazard
5
5
6
Hazard Symbol (If Available)
Safety Banner
READ SAFETY BLOCKS at start of
Section 3-1 before proceeding.
WARNING
Read safety blocks for each sym-
bol shown.
6
7
7
NOTE
Turn Off switch when using high frequency.
Special instructions for best oper-
NOTE
ation – not related to safety.
Figure 2-1. Safety Information
SECTION 3 – SPECIFICATIONS
Table 3-1. Rack
Description
Specifications
Overall Dimensions
Required Input Power
Weight
Height: 48-5/8 in (1.23 m); Width: 63 in (1.60 m); Depth: 40 in (1.02 m)
230 Or 460 Volts AC; 50/60 Hz; Three-Phase
Net: 850 lb (385.6 kg); Ship: 860 lb (390.1 kg)
Required Welding Power Source
Capacity
300 Amp XMT With AUTO-LINK Requiring 230 Or 460 Volts Input Power
4 Welding Power Sources Maximum
OM-815 Page 5
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SECTION 4 – INSTALLATION
4-1. Selecting A Location And Moving Rack
WARNING
ELECTRIC SHOCK can kill.
FUMES can be hazardous; LACK OF
FRESH AIR AND PROPER VEN-
TILATION can be harmful.
• Do not touch live electrical parts.
• Disconnect input power conductors from de-
• Do not breathe welding fumes.
energized supply line BEFORE moving rack.
• Place unit only where there is a good fresh air supply
and proper ventilation.
FIRE OR EXPLOSION can result from
placing unit on, over, or near com-
bustible surfaces.
FALLING EQUIPMENT can cause
serious personal injury and equipment
damage.
• Do not locate unit on, over, or near combustible
surfaces.
• Move unit with crane or fork lift vehicle of adequate
• Do not install unit near flammables.
capacity.
swarn11.1* 3/93
1
Lifting Eye
Use lifting eye to move unit.
Lifting Forks
1
2
If using lifting forks, be sure forks
are fully inserted.
2
ST-158 366
Figure 4-1. Location And Movement Of Rack
4-2. Installing Welding Power Source Onto Rack
1
Bracket
Remove user-supplied bolt or lock
if applicable.
6
As Shipped
2
Securing Bolts
Loosen.
3
Front Bracket
In Use
Swing end near rack center away
from rack.
4
5
Rear Bracket
Securing Bracket
Place welding power source on
rack so rear is against rear bracket
and securing bracket is centered
between welding power source
feet.
4
Swing front bracket back into
position.
1
Tighten securing bolts.
5
Reinstall user-supplied bolt or lock
if applicable.
2
3
6
Weld Cable Hanger
ST-158 332 / S-0548 / ST-151 268-A
Figure 4-2. Welding Power Source Installation
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4-3. Welding Power Source Input Power Connections
WARNING
ELECTRIC SHOCK can kill.
• Do not touch live electrical parts.
• Turn Off welding power source, and disconnect input power to rack before inspecting or installing.
• Have only qualified persons install unit.
swarn3.1* 2/93
• Installation must meet National Electrical Code and all other codes.
When installing conductors from the welding power source, torque the Power
circuit breaker terminals and grounding terminal to 40 in-lbs (4.5 N·m).
NOTE
1
2
5
8
7
Tools Needed:
6
4
3
ST-158 333 / ST-151 269-B
Have only qualified persons make this instal-
lation.
4
Strain Relief Connector
8
Grounding Terminal
Insert input power cord through strain relief
into entry hole for opened access door.
Install input conductors from welding power
source to Power circuit breaker.
1
2
Control Box
Access Door
5
Grounding Conductor – Green Or
Green With Yellow Stripe(s)
Open access door with same number as
welding power source location.
Install grounding conductor to grounding
terminal.
6
7
Input Conductors
3
Welding Power Source Input Power
Cord
Power Circuit Breaker Terminals
Close and secure access door.
Figure 4-3. Welding Power Source Input Power Connections
Table 4-1. Weld Cable Size*
Total Cable (Copper) Length In Weld Circuit Not Exceeding
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
100 ft (30 m) Or Less
Welding
Amperes
10 To 60% 60 Thru 100%
10 Thru 100% Duty Cycle
Duty Cycle
Duty Cycle
100
150
200
250
300
350
400
500
600
700
800
900
1000
1250
1500
4
3
4
4
3
2
1
1/0
1/0
3
2
1
1/0
2/0
3/0
3/0
3
2
1
1/0
2/0
3/0
4/0
4/0
2
1
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
4-4/0
4-4/0
2-2/0
2-3/0
2-4/0
2-4/0
3-3/0
3-4/0
4-4/0
4-4/0
1
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
4-4/0
4-4/0
1/0
1/0
2/0
3/0
4/0
4/0
2-2/0
2-2/0
2-3/0
2-4/0
2/0
3/0
4/0
2-2/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
4-3/0
4-4/0
2/0
3/0
4/0
3/0
4/0
2-2/0
2-3/0
2-4/0
2-4/0
3-3/0
3-3/0
4-3/0
4-4/0
4/0
2-2/0
2-3/0
2-3/0
2-4/0
2-4/0
3-3/0
3-4/0
2-2/0
2-2/0
2-3/0
2-3/0
2-4/0
3-3/0
*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.
S-0007-D
OM-815 Page 7
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4-4. Common Work Connections
WARNING
ELECTRIC SHOCK can kill.
ARCING can burn skin or damage
electrical equipment.
• Do not touch live electrical parts.
• Do not change position of the welding cable
• Turn Off welding power sources by placing Power
connectors while welding.
circuit breakers in the Off position before making any
weld output connections.
• Be sure the connectors are secure in receptacles
before welding.
• Do not connect welding output of different polarities
to the same structure.
INADEQUATE
WORK
CABLE
• See ANSI Z49.1 and OSHA Title 29, Chapter XVII,
Part 1910, Subpart Q (addresses at beginning of
manual).
CONNECTIONS can cause serious
damage to input power service and
create a hazardous condition.
• Do not handle or come in contact with two live
• Connect an electrical cable of adequate size
between the isolated terminal and the workpiece
whenever any welding power sources are
connected to the isolated terminal.
electrodes at the same time.
The following procedure is for
Electrode
Positive
welding
connections.
3
1
Positive (+) Weld Output
Cables
2
Determine cable lengths and sizes
according to welding power source
Owner’s Manual.
2
3
Isolated Terminal
Negative (–) Weld Output
Cables
5
Determinecable sizes according to
welding power source Owner’s
Manual. Cable must reach from
negative (–) output receptacle to
isolated terminal.
4
4
Common Negative (–) Weld
Output Cable
2
4
Cable must be able to carry com-
bined weld output of all welding
power sources using common work
connections. Use Table 4-1 to se-
lect proper cable size.
5
Terminal Lugs
Use lugs of proper amperage ca-
pacity and hole size for connecting
to isolated terminal.
For Electrode Negative, reverse
cable connections. Positive (+)
weld output cables connect to iso-
lated terminal, negative (–) weld
output cables go to electrode. Com-
mon weld output cable is positive.
3
GTAW
GMAW
SMAW
GTAW
GMAW
SMAW
1
ST-155 335 / Ref. ST-154 540-A
Figure 4-4. Common Work Connections
OM-815 Page 8
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4-5. Paralleling Welding Power Sources For SMAW
WARNING
ELECTRIC SHOCK can kill.
ARCING can burn skin or damage
electrical equipment.
• Do not touch live electrical parts.
• Do not change position of the welding cable
• Turn Off welding power sources by placing Power
circuit breakers in the Off position before making any
weld output connections.
connectors while welding.
• Be sure the connectors are secure in receptacles
before welding.
• Do not connect welding output of different polarities
to the same structure.
INADEQUATE
WORK
CABLE
• See ANSI Z49.1 and OSHA Title 29, Chapter XVII,
CONNECTIONS can cause serious
damage to input power service and
create a hazardous condition.
Part 1910, Subpart Q (addresses at beginning of
manual).
• Do not handle or come in contact with two live
electrodes at the same time.
• Connect an electrical cable of adequate size
between the isolated terminal and the workpiece
whenever any welding power sources are
connected to the isolated terminal.
UNDERSIZED WELDING CABLES can
cause fire.
• Use single cables of adequate capacity to carry the
total combined amperage of the paralleled welding
power sources.
Set the Amperage/Voltage control
on all paralleled welding power
sources to the same value. The iso-
lated terminal may be used as a
common connection point if no
other connections are made to it.
The procedure shown is for
Electrode
Positive
welding
connections.
1
Weld Output Cables
Determinecable sizes according to
welding power source Owner’s
Manual. Cables must reach cable
connection point. Cables con-
nected together must be the same
polarity.
2
ConnectionPoint
Cover with proper insulating
material after making connections.
1
3
Terminal Lugs
Use lugs of proper amperage
capacity and hole size for connec-
tion.
1
4
Common Weld Output Cable
4
4
Cable must be able to carry com-
bined weld output of all welding
power sources connected in paral-
lel. Use Table 4-1 to select proper
cable size.
2
–
SMAW
+
For Electrode Negative, reverse
cable connections. Positive (+)
weld output cables connect to work,
negative (–) weld output cables go
to electrode.
1
Securely cover connection
with proper insulating
material.
3
4
ST-158 334 / Ref. ST-154 540-A
Figure 4-5. Paralleling Welding Power Sources For SMAW
OM-815 Page 9
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4-6. Connecting Input Power To Rack
WARNING
ELECTRIC SHOCK can kill.
• Do not touch live electrical parts.
• Turn Off welding power sources before inspecting or installing rack.
• Have only qualified persons install rack.
swarn3.1* 2/93
• Installation must meet National Electrical Code and all other codes.
Have only qualified persons make
this installation.
1
2
Rear Control Box Center
Access Panel
Remove access panel.
3
Line Disconnect Device Of
Proper Rating
1
2
4
5
Input Conductors
Grounding Conductor
Select size and length using
Table 4-2. Conductors must be
able to carry the combined amper-
age draw of all welding power
sources mounted on the rack. Con-
ductor insulation must comply with
national, state, and local electrical
codes. Use lugs of proper amper-
age capacity and correct hole size.
6
User-SuppliedStrain Relief
Connector
Insert conductors through strain
relief.
7
8
9
Input Terminal Block
Line Terminals
Ground Terminal
Connect grounding conductor to
ground terminal first. Then connect
input conductors to line terminals.
Reinstall access panel.
Install grounding conductor and in-
put conductors in conduit or equiv-
alent to deenergized line discon-
nect device.
8
7
4
3
Connect grounding conductor first,
then line input conductors.
Be sure grounding conductor goes
to an earth ground.
10
10 Overcurrent Protection
Select type and size using
Table 4-2. Install into deenergized
line disconnect device (fused
disconnect switch shown).
5
6
5
9
ST-151 270-C
Figure 4-6. Input Power Connections
OM-815 Page 10
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Table 4-2. Electrical Service Requirements*
230
250
460
Input Voltage
1
125
Recommended Standard Fuse Or Circuit Breaker Rating In Amperes
2
1/0
4
397 (121)
6
Input Conductor Size In AWG/Kcmil
3
229 (70)
4
Max Input Conductor Length In Feet (Meters)
4
Grounding Conductor Size In AWG/Kcmil
*
These values are calculated from the 1993 edition of the National Electrical Code (NEC).
1 Recommendedfuse or circuit breaker size is that closest to 150% of rated input amperage of the welding power source. Article 630-12(a) of NEC
allows fuse or circuit breaker sizing up to 200% of rated input amperage.
2 Input conductor size is for insulated copper wire with 75°C rating with not more than three single current-carrying conductors in a cable or raceway
(Table 310-16 of NEC).
3 Maximum length is to prevent more than a 3% voltage drop between service entrance and input terminals of the welding power source (Articles
210-19(a) and 215-2(b) of NEC).
4 The grounding conductor shall be colored or identified as specified in the NEC. Grounding conductor size for copper wire is not required to be larger
than input conductor (Article 250-95 of NEC).
Ref. S-0092-G
SECTION 5 – MAINTENANCE & TROUBLESHOOTING
WARNING
ELECTRIC SHOCK can kill.
• Do not touch live electrical parts.
• Turn Off welding power sources, and disconnect input power to rack before inspecting, maintaining, or servicing.
Maintenance to be performed only by qualified persons.
5-1. Routine Maintenance
Turn Off all power before maintaining.
3 Months
Tape Or
Replace
Cracked
Cables
6 Months
Replace
Unreadable
Labels
See
Section
7
Blow Out
Or
Vacuum
Inside
OR
During Heavy Service,
Clean Monthly
– –
Clean
And
Tighten Weld
Connections
ST-151 267-B
Figure 5-1. Maintenance Schedule
OM-815 Page 11
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5-2. Overload Protection
1
Power Circuit Breakers
CB1-CB4
Each Power circuit breaker CB1
through CB4 protects the welding
power source connected to it from
overload.
If a Power circuit breaker opens,
the matching welding power source
would shut down. Manually reset
the Power circuit breaker.
1
ST-158 333 / Ref. ST-155 839 / Ref. ST-151 269-B
Figure 5-2. Circuit Breaker Locations
5-3. Troubleshooting
WARNING
ELECTRIC SHOCK can kill.
• Do not touch live electrical parts.
• Turn Off welding power sources, and disconnect input power to rack before inspecting, maintaining, or servicing.
Troubleshooting to be performed only by qualified persons.
Table 5-1. Rack Trouble
Trouble
Remedy
Section
No weld output from any welding power
sources; units completely inoperative.
Place line disconnect switch in On position.
4-6
Check line fuse(s) and replace if needed. Reset circuit breakers.
Check for proper input power connections to rack.
4-6
4-6
No weld output from one welding power
source.
Place applicable Power circuit breaker in On position.
5-2
Check for proper input power connections to welding power source.
Check applicable welding power source according to its manual.
4-3
– –
OM-815 Page 12
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SECTION 6 – ELECTRICAL DIAGRAM
SA-155 857
Figure 6-1. Circuit Diagram For Rack Control Box
OM-815 Page 13
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SECTION 7 – PARTS LIST
Item
No.
Part
No.
Description
Quantity
Figure 7-1. Main Assembly
. . . 1 . . . 155 878 . . COVER, top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 2 . . . 032 473 . . GASKET, lift eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 3 . . +155 844 . . BASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 4 . . . 151 928 . . RETAINER, hold down brkt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 5 . . . 148 851 . . BRACKET, nut-sert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 6 . . . 049 399 . . NUT, speed push-on-type .312 stud .625 OD x .45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 7 . . . 153 926 . . BRACKET, hold down right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 8 . . . 151 946 . . WASHER, flat nyl .317 ID x .500 OD x .032thk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . 9 . . . 153 927 . . BRACKET, hold down left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 10 . . . 134 327 . . LABEL, warning general precautionary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 11 . . . 155 156 . . CHAIN, sash stl No. 30 double loop (order by ft) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3ft
. . . 12 . . . 147 380 . . PIN, cotter hair .148dia x 2.687 lg x .625 shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . 13 . . . 147 331 . . PEG, cable holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 14 . . . . Fig 7-2 . . CONTROL BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. Hardware is common and
1
not available unless listed.
2
3
Fig 7-2
14
13
4
5
6
7
12
11
8
9
10
8
ST-158 153-A
Figure 7-1. Main Assembly
+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-815 Page 14
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1
. Hardware is common and
not available unless listed.
2
19
20
21
22
18
17
23
3
11
12
16
4
15
5
9
6
10
7
11
8
14
12
13
ST-158 152
Figure 7-2. Control Box
OM-815 Page 15
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Item
No.
Dia.
Mkgs.
Part
No.
Description
Quantity
Figure 7-2. Control Box (Fig 7-1 Item 14)
. . . 1 . . . . . . . . . . . . . 155 846 . . COVER, top control box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 2 . . . CB1-4 . . 147 810 . . CIRCUIT BREAKER, mag 3P 60A 600V . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 3 . . . . . . . . . . . . . . . . . . . + . . NAMEPLATE, (order by model and serial number) . . . . . . . . . . . . . . . . . . . 2
. . . 4 . . . . . . . . . . . . . 155 843 . . BLANK, door opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 5 . . . . . . . . . . . . . 145 743 . . LUG, univ w/scr 600V 2-14 wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 6 . . . . . . . . . . . . . . 148 311 . . DOOR, access w/hinge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 7 . . . . . . . . . . . . . 078 034 . . FASTENER, screw sltd hd .736 lg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 8 . . . . . . . . . . . . . 010 855 . . RETAINER, screw No. 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 9 . . . . . . . . . . . . . 010 357 . . NUT, speed No. 2 clip-on-type knrl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 10 . . . . . . . . . . . . . 604 102 . . CONNECTOR, clamp cable 1.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 11 . . . . . . . . . . . . . 124 245 . . LABEL, warning electric shock can kill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . 12 . . . . . . . . . . . . . 155 949 . . LABEL, caution unmatched voltage can cause . . . . . . . . . . . . . . . . . . . . . . 3
. . . 13 . . . . . . . . . . . . . 057 360 . . BLANK, snap-in nyl 1.375mtg hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 14 . . . . . . . . . . . . +155 847 . . CONTROL BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 15 . . . . . . . . . . . . +147 228 . . COVER, box large . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
. . . 16 . . . . . . . . . . . . . 148 025 . . LUG, univ w/scr 600V 2/0-6 wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 17 . . . . DB1 . . . 147 861 . . DISTRIBUTION BLOCK, pwr 600V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 18 . . . . . . . . . . . . . 147 225 . . BRACKET, mtg distribution block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 19 . . . . . . . . . . . . . 084 435 . . SCREW, cap brs hexhd .500-13 x 2.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 20 . . . . . . . . . . . . . 039 045 . . TERMINAL BOARD, black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 21 . . . . . . . . . . . . . 602 247 . . WASHER, flat stl SAE .500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 22 . . . . . . . . . . . . . 602 216 . . WASHER, lock stl split .500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . 23 . . . . . . . . . . . . . 601 840 . . NUT, brs hex .500-13 jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . 020 279 . . CLAMP, stl cush .750dia x .281mtg hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . 087 318 . . CLAMP, stl cush 1.000dia x .203mtg hole . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . 010 311 . . CLAMP, nyl .750 clamp dia x .500 wide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . 010 145 . . CLAMP, nyl .500 clamp dia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
+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-815 Page 16
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Notes
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Notes
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Effective January 1, 2000
(Equipment with a serial number preface of “LA” or newer)
This limited warranty supersedes all previous Miller warranties and is exclusive with no other
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.
*
APT, ZIPCUT & PLAZCUT Model Plasma Cutting
Torches
Call
1-800-4-A-MILLER
for your local
Miller distributor.
*
*
*
*
*
Remote Controls
Accessory Kits
Replacement Parts (No labor)
Spoolmate 185 & Spoolmate 250
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:
1. Consumable components; such as contact tips,
cutting nozzles, contactors, brushes, slip rings,
relays or parts that fail due to normal wear.
Service
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 date that
the equipment was delivered to the original retail purchaser, or
one year after the equipment is sent to a North American
distributor or eighteen months after the equipment is sent to an
International distributor.
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
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.
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.
1. 5 Years Parts – 3 Years Labor
*
*
Original main power rectifiers
Inverters (input and output rectifiers only)
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.
2. 3 Years — Parts and Labor
*
*
*
*
*
*
Transformer/Rectifier Power Sources
Plasma Arc Cutting Power Sources
Semi-Automatic and Automatic Wire Feeders
Inverter Power Supplies
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.
Intellitig
Engine Driven Welding Generators
(NOTE: Engines are warranted separately by
the engine manufacturer.)
3. 1 Year — Parts and Labor
*
*
DS-2 Wire Feeder
Motor Driven Guns (w/exception of Spoolmate
185 & Spoolmate 250)
TO THE EXTENT PERMITTED BY LAW, THE REMEDIES
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF
PROFIT), WHETHER BASED ON CONTRACT, TORT OR
ANY OTHER LEGAL THEORY.
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Process Controllers
Positioners and Controllers
Automatic Motion Devices
RFCS Foot Controls
Induction Heating Power Sources
Water Coolant Systems
HF Units
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN
AND ANY IMPLIED WARRANTY, GUARANTY OR
REPRESENTATION AS TO PERFORMANCE, AND ANY
REMEDY FOR BREACH OF CONTRACT TORT OR ANY
OTHER LEGAL THEORY WHICH, BUT FOR THIS
Grids
Maxstar 140
PROVISION,
MIGHT
ARISE
BY
IMPLICATION,
Spot Welders
OPERATION OF LAW, CUSTOM OF TRADE OR COURSE
OF DEALING, INCLUDING ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSE, WITH RESPECT TO ANY AND ALL
EQUIPMENT FURNISHED BY MILLER IS EXCLUDED AND
DISCLAIMED BY MILLER.
Load Banks
Miller Cyclomatic Equipment
Running Gear/Trailers
Plasma Cutting Torches (except APT & SAF
Models)
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.
*
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.)
In Canada, legislation in some provinces provides for certain
additional warranties or remedies other than as stated herein,
and to the extent that they may not be waived, the limitations
and exclusions set out above may not apply. This Limited
Warranty provides specific legal rights, and other rights may
be available, but may vary from province to province.
4. 6 Months — Batteries
5. 90 Days — Parts
*
*
MIG Guns/TIG Torches
Induction Heating Coils and Blankets
miller_warr 7/00
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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
to locate a DISTRIBUTOR or SERVICE AGENCY near you.
Always provide Model Name and Serial/Style Number.
Contact your Distributor for:
Welding Supplies and Consumables
Options and Accessories
Personal Safety Equipment
Service and Repair
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
Contact the Delivering Carrier for:
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
2000 Miller Electric Mfg. Co. 6/00
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