Powerfist 8785081 Le manuel du propriétaire

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Le manuel du propriétaire
V4.3 8785081
Please read and understand all instructions before use. Retain this manual for
future reference.
User Manual
200A AC/DC Dial Control
TIG Welder 202KE
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
2 For technical questions call 1-800-665-8685
SPECIFICATIONS
120V 230V
Rating (Voltage, Frequency)
120/230V ±15%, 60Hz
Phase
Single
Input Current
20A
31A
Rated Input Capacitance
2.4 kVA
7.5 kVA
No Load Voltage
65V
Insulation Class
F
Protection Class
IP21S
Cooling Type
Fan Cooled
Dimension (L × W × H)
19-3/4 x 9-1/2 x 16-1/8 in.
(50.1 x 24.1 x 43.8 cm)
Weight
17 kg
MMA (Stick)
Current
20 to 65A
20 to 160A
Electrode Size
1/16 in.
3/16 in.
Duty Cycle (10 min.)
35%
Max. Metal Thickness
1/16 in.
5/16 in.
DC TIG
Current
10 to 95A
10 to 200A
Electrode Size
1/8 in.
3/16 in.
Duty Cycle (10 min.)
35%
Max. Metal Thickness
1/8 in.
1/2 in.
DC Pulse TIG
Current
10 to 95A
10 to 200A
Pulse Frequency
50% Peak Current
Duty Cycle (10 min.)
35%
Max. Metal Thickness
1/8 in.
1/2 in.
AC TIG
Current
20 to 95A
20 to 200A
Exchange Frequency
50 to 150Hz
(Balance) Cleaning Width
50 to 85%
Pulse Frequency
0.2
20Hz
Duty Cycle (10 min.)
35%
Max. Metal Thickness
1/8 in.
1/2 in.
200A AC/DC Dial Control
TIG Welder 202KE
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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AC Pulse TIG
Peak Current
20
95A
20
200A
Base Current
50% Peak Current
Exchange Frequency
50
150Hz
(Balance) Cleaning Width
50%
85%
Pulse Frequency
0.2
20Hz
Duty Cycle (10 min.)
35%
Max. Metal Thickness
1/2 in.
INTRODUCTION
The 200 AC/DC Dial Control TIG Welder 202KE produces smooth, stable arcs with
AC or DC circuits, making it the go-to option for serious DIYers and fabricators.
Among its many features are a digital-controlled display, easy, single knob
operation, AC/DC current and built-in thermal overload protection. It welds carbon
steel, cast iron, stainless steel, copper, aluminum alloy and magnesium alloy.
SAFETY
WARNING! Read and understand all instructions before using this tool. The
operator must follow basic precautions to reduce the risk of personal injury
and/or damage to the equipment.
Keep this manual for safety warnings, precautions, operating or inspection and
maintenance instructions.
HAZARD DEFINITIONS
Please familiarize yourself with the hazard notices found in this manual. A notice
is an alert that there is a possibility of property damage, injury or death if certain
instructions are not followed.
DANGER! This notice indicates an immediate and specific hazard that will
result in severe personal injury or death if the proper precautions
are not taken.
WARNING! This notice indicates a specific hazard or unsafe practice that
could result in severe personal injury or death if the proper
precautions are not taken.
CAUTION! This notice indicates a potentially hazardous situation that may result
in minor or moderate injury if proper practices are not taken.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
4 For technical questions call 1-800-665-8685
NOTICE! This notice indicates that a specific hazard or unsafe practice will
result in equipment or property damage, but not personal injury.
WORK AREA
1. Operate in a safe work environment. Keep your work area clean, well-lit and
free of distractions.
2. Remove all unnecessary people from the work area when welding.
Anyone remaining in the work area must wear the appropriate welding
safety equipment.
3. Store tools properly in a safe and dry location. Keep tools out of the reach
of children.
4. Do not weld on damp surfaces that can transmit the electric current
without taking precautions for the welder and bystanders. The electrode,
welding head and nozzle are electrically ‘hot’.
5. Do not install or use in the presence of flammable gases, dust or liquids.
6. Welding sparks and ejected molten slag can start a fire. Remove
combustible materials within 39 ft (12 metres) of the welding unit. See Fire
and Explosion Precautions.
7. Have a fire extinguisher readily available (see Fire and Explosion
Precautions).
8. Erect protective screens or barriers to protect bystanders from the flash
and glare; warn others in the area not to watch the arc. Do not strike a
welding arc until all bystanders and you (the user) have welding shields
and/or helmets in place.
9. Keep the welding unit at least one foot from any wall or structure.
10. Check that the work area is free from fires, sparks or hot debris
before leaving.
PERSONAL SAFETY
WARNING! Wear personal protective equipment approved by the Canadian
Standards Association (CSA) or American National Standards Institute (ANSI).
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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HEAD PROTECTION
DANGER! Never look directly at the welding arc without the proper
protection. The light can cause flash burn damage and impair vision.
Although treatment is possible, multiple occurrences can result in
permanent eye damage.
1. Protect your eyes from welding light by wearing a welder's helmet fitted
with a filter shade suitable for the type of welding you are doing. The
welding process produces intense white light, infrared and ultraviolet light,
these arc rays can burn both eyes and skin.
a. Consult the Welding Shade Guide in Appendix A for the minimum
shade to protect the eyes based on the amperage and type of welding.
2. An opaque helmet will protect against the ultraviolet or infrared light. A
helmet will also protect against ejected hot material and slag. The helmet
should protect the face, forehead, ears and neck.
3. Wear a fire-resistant head covering like a skullcap or balaclava hood to
protect your head when the faceplate is down or when using a welding
hand-held face shield.
4. Wear ventilated safety goggles beneath the welding helmet or behind the
hand-held face shield. The cooling weld bead may fragment or eject slag that
can damage the eyes, when the helmet or hand-held face shield is not in place.
a. Eye protection equipment should comply with CSA Z94.3-07 or ANSI
Z87.1 standards based on the type of work performed.
5. Wear fire resistant earplugs when welding overhead to prevent spatter or
slag from falling into ear.
PROTECTIVE CLOTHING
1. Wear a leather apron or jacket, leather welding gloves and full foot protection.
Choose clothing fabrics that resist sparks, heat, flames and splashes of molten
material. Artificial fabrics may burn and melt, resulting in a more severe injury.
a. Wear welding capes and sleeves when performing overhead welding.
2. Do not wear clothes or protective gear that are frayed, oily or greasy as
they may ignite from the heat or ejected slag and sparks.
3. Wear thick clothes that do not expose the skin. Ultraviolet or infrared light
can burn skin with sufficient exposure.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
6 For technical questions call 1-800-665-8685
4. Do not wear clothing that can hold hot debris or sparks such as pant cuffs,
shirt pockets or boots. Choose clothing that has flaps over pockets or wear
clothing to cover the openings such as pant legs over the boots or an apron
over the shirt.
5. Gloves shall should contain an insulating lining to protect against an
electric shock.
6. Rubber soled footwear or electrically insulated work boots are
recommended while working with a welding unit. The non- skid sole is will
also help maintain footing and balance during work.
a. Select boots with steel toe protection to prevent injury from falling objects.
RESPIRATORS
1. Respiratory protection is needed when ventilation is not sufficient to
remove welding fumes or when there is risk of oxygen deficiency.
a. Wear a NIOSH approved respirator when working on materials that
produce dust or particulate matter.
2. Work in a confined space only if it is well ventilated or while wearing an air-
supplied respirator. Welding fumes and gases can displace air and lower
the oxygen level causing injury or death. Be sure the breathing air is safe
(See Fumes and Gases).
3. The user can take the additional precaution of informing another person in
the work area of the potential danger, so that person can watch for
indications that the user is suffering from oxygen deprivation.
PERSONAL PRECAUTIONS
Control the tool, personal movement and the work environment to avoid
personal injury or damage to the tool.
1. Do not operate any tool when tired or under the influence of drugs, alcohol
or medications.
2. Avoid wearing clothes or jewelry that can become entangled with the
moving parts of a tool. Keep long hair covered or bound.
3. Remove all jewelry or metal items from your person before welding. Metal
items may connect to the welding unit’s electrical circuit, causing an injury
or death.
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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4. Do not overreach when operating the tool. Proper footing and balance enables
better control in unexpected situations.
5. Support the workpiece or clamp it to a stable platform. Holding the
workpiece by hand or against your body may lead to personal injury.
6. Do not wear any personal grooming products that are flammable, such as
hair preparations, perfume or cologne with an alcohol base.
7. Remove any combustibles, such as butane lighters or matches, from your
person before doing any welding. Hot welding sparks may light the
matches or ignite leaking lighter fuel.
SPECIFIC SAFETY PRECAUTIONS
WARNING! DO NOT let comfort or familiarity with product (gained from
repeated use) replace strict adherence to the tool safety rules. If you use
this tool unsafely or incorrectly, you can suffer serious personal injury.
1. Use the correct tool for the job. This tool was designed for a specific function.
Do not modify or alter this tool or use it for an unintended purpose.
2. Arc welding requires the use a hand-held face shield or helmets with full
face protection per CSA standard Z94.3.1.
3. Protect against reflected arc rays. The rays can reflect off a shiny surfaces
behind the user, into the helmet and off the filter lens into the eyes.
Remove or cover any reflective surface behind the user such as a glossy
painted surface, aluminum, stainless steel or glass.
4. Welding produces sparks and molten slag. A cooling bead can eject chips
or fragments of slag. Any of these can cause direct harm to the eyes or
skin of the user or bystanders.
5. Immediately replace a cracked or broken helmet or a scratched or
damaged lens filter to avoid damage to the eyes or face from arc flash or
ejected molten material.
6. Do not allow the welding electrode to accidentally touch the ground clamp or
grounded work. An arc flash will result from contact and can injury the
unprepared user and bystanders.
7. Do not handle hot metal or electrode stubs with bare hands. Handling may result
in a burn injury.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
8 For technical questions call 1-800-665-8685
8. Do not use the welding unit if personal movement is confined or if there is a
danger of falling.
9. Keep all panels and covers securely in place when operating the welding unit.
10. Insulate the ground clamp when not connected to a workpiece to prevent
contact with any metal object.
11. Do not operate the welding unit if the torch, electrode holder, welding cable or
ground cable are wet. Do not immerse them in water. These components and
the welding unit must be completely dry before attempting to use them.
12. Never dip the electrode in water for cooling.
13. Remove the electrode from the holder when not in use.
14. Do not point the torch or electrode holder at any body part of yourself or at
anyone else.
15. Do not use a welding unit to thaw frozen pipes.
16. Insulate yourself from the work and the ground using dry insulation. Make
certain that the insulation is large enough to cover your full area of physical
contact.
17. When not welding, make certain that no part of the electrode circuit is touching
the workpiece or the ground. Accidental contact can cause overheating and
create a fire hazard.
18. Maintain good ventilation of the louvers on this equipment. Good
ventilation is of critical importance for the normal performance and service
life of this equipment.
19. When working above floor level, use a safety belt to protect yourself from a
fall should you get a shock.
20. The electrode, electrode reel, welding head, nozzle and semiautomatic
welding torches are electrically ‘hot’ when the welding unit is in
semiautomatic or automatic wire welding mode.
21. The welder must be horizontal. An incline of 10º or less is acceptable.
FIRE AND EXPLOSION PRECAUTIONS
Arc welding can produce sparks, hot slag or spatter, molten metal drops and hot
metal parts that can start fires.
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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1. Clear the floor and walls of an area of all combustible and/or flammable
materials up to 39 ft (12 metres) away from the welding unit. Hot debris
ejected during welding can land at a considerable distance away. Solid
floors of concrete or masonry is the preferred working surface.
a. Cover any combustible material with fire resistant covers or shields, if
it cannot be removed. The covering must be tight and should not
leave openings for sparks or ejected slag to enter.
b. Check both sides of a panel or wall for combustible material. Remove
the combustible material before welding.
2. A combustible floor should be protected with a fire resistant covering.
Alternatives are to spray the floor with water to keep it wet for the duration
of the welding or cover with damp sand. Care must also be taken to avoid
an electric shock when this is done. A combustible floor directly laid onto
concrete does not need to be sprayed with water.
3. Seal cracks and openings to adjacent areas that a spark or slag can enter.
Seal any openings found with a fire-resistant cover. Shut doors and windows
that do not provide ventilation or erect protective screens in front of them
when possible.
4. Avoid welding near hydraulic lines or containers containing flammable
contents.
5. Do not perform any welding work on containers that held flammable or
toxic substance, until they are cleaned by a person trained in removing
toxic and flammable substances and vapours per the American Welding
Standard AWS F4.1.
6. Open a container before performing any welding work on it. The heat
generated by the welding process will cause the air and gases to expand.
The internal pressure may cause a sealed or closed container to rupture,
possibly causing an injury or death.
7. Do not weld pipes or metal that are covered in combustible material or in
contact with combustible structure such as a wall. Only weld if the
covering can be safely removed.
a. Follow all safety precautions and legal requirements before welding a
workpiece that contains Asbestos or attempting to remove the
Asbestos covering. This requires expert knowledge and equipment.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
10 For technical questions call 1-800-665-8685
b. Molten slag can run down the inside and outside of a pipe and start a
fire. Be aware where the pipe terminates and take precautions.
8. Do not weld a panel that is a sandwich construction of combustible and
metal materials.
9. Have a fire extinguisher available for immediate use. A dry chemical fire
extinguisher for Types A, B and C is suggested.
a. Welding a combustible metal like zinc, magnesium or titanium
requires a Type D fire extinguisher.
b. Do not use liquid based fire extinguishing methods near the electric
arc welding unit, as it may cause a shock hazard.
10. Ventilation systems should be positioned so sparks or molten slag isn’t
carried to an adjacent area.
11. Have a Fire Watcher observing areas outside of the welder’s view, such as
the opposite side of a wall or behind the welder. A fire may also start on the
other side of a structure that could not be removed. The Fire Watcher will
extinguish a fire or raise the alarm to evacuate if the fire cannot be
contained by the extinguishing equipment.
a. A fire watch extends at least 30 minutes after the welding is complete to
ensure there are no fires caused by smoldering sparks or ejected material.
FUMES AND GASES
WARNING! Stop welding and move to a location with ventilation if your eyes,
nose or throat become irritated. This indicates the ventilation is not adequate
to remove the fumes. Do not resume welding until the ventilation is improved
and the discomfort ceases. Seek medical attention if the symptoms do not
diminish or if the welder experiences nausea, dizziness or malaise.
Welding may produce hazardous fumes and gas during the welding process. A well
ventilated work area can normally remove the fumes and gases, but sometimes the
welding produces fumes and gases that are hazardous to your health.
1. Only work in a confined space if the area is well ventilated or while wearing
a respirator or an air-supplied respirator. Welding fumes and gases can
displace air and lower the oxygen level causing injury or death. Be sure the
breathing air is safe. Always have a trained watchperson nearby.
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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a. If ventilation in the work area is poor, use an approved air-supplied
respirator. All the people in the work area must also have air-supplied
respirators.
b. Oxygen displacement can occur in confined areas when the shielding
gas fills the area and pushes out air.
2. Avoid positions that allow welding fumes to reach your face. Always attempt to
weld ‘upwind’ of the workpiece with the airflow across the face of the welder.
Airflow from behind may create a low pressure area in front of the welder and
draw the fumes to the person.
3. Ventilate the work area to remove welding fumes and gases. The fumes
and gases should be drawn away from the user.
a. Ventilation should be enough to disperse fumes, but not enough to
disturb the shielding gas or flame during welding.
b. Ventilation exhaust shall be directed to a non-work area to avoid
exposing other people to potential toxic or dangerous fumes.
c. Air removed from the work area by the ventilation system must be
replenished with fresh air to avoid oxygen starvation or a build-up of fumes
or gases. Only use air to provide ventilation. Any other combination of
gases may be explosive or toxic to people in the work area.
d. Ventilation methods that remove gas and fumes from the welding
point before they reach the welder’s face should be given preference.
4. Avoid welding in a work area that has vapours from cleaning, degreasing or any
spraying operations. The heat and light from welding can react with the vapour
and form irritating or potentially toxic gases. Wait for the vapours to disperse.
5. Consult the manufacturer's Safety Data Sheets (SDS) for instructions and
precautions about metals, consumables, coatings, cleaners and degreasers.
a. Do not weld on coated metals such as galvanized, lead or cadmium
plated steel, unless the coating is removed from the weld area. The
coatings and any metals containing these elements can give off toxic
fumes during the welding process.
b. Do not weld, cut or heat lead, zinc, cadmium, mercury, beryllium or
similar metals without seeking professional advice and inspection of the
welding area’s ventilation. These metals produce extreme toxic fumes,
which can cause discomfort, illness and death.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
12 For technical questions call 1-800-665-8685
c. Do not weld or cut near chlorinated solvents or in areas that
chlorinates solvents can enter. The heat or ultraviolet light of the arc
can separate chlorinated hydrocarbons into a toxic gas (phosgene)
that can poison or suffocate the user or bystanders.
6. Check the Safety Data Sheet for the proper handling and safety precautions
for consumable welding rods as the coating can have multiple chemicals.
COMPRESSED GAS CYLINDER PRECAUTIONS
WARNING! Improper handling or maintenance of compressed gas cylinders
and regulators can result in serious injury or death. Do not use a cylinder or
its contents for anything other than its intended use.
1. Only use inert or nonflammable gas with the welding unit such as Carbon
Dioxide, Argon or Helium with the welding unit.
a. Never use flammable gases. They will ignite and may result in an explosion
or fire that can cause death or injury.
2. Do not attempt to mix gases or refill a gas cylinder. Exchange a cylinder or
have it refilled by a professional service.
3. Do not deface or alter the name, number or other markings on a cylinder. Do not
rely on a cylinders colour to identify the contents. Do not connect a regulator to
a cylinder that contains a gas that the regulator was not designed to handle.
4. Do not expose a cylinder to excessive heat, sparks, slag, flame or any other
heat source.
a. A cylinder exposed to temperatures above 130 °F will require water
spray cooling. This method may not be compatible with electric
welding units due to the hazard of electrocution.
5. Do not expose a cylinder to electricity of any kind.
6. Do not attempt to lubricate a regulator. Always change a cylinder carefully
to prevent leaks and damage to the cylinder’s walls, valve or safety devices.
7. Gases in the cylinder are under pressure. Protect the cylinder from bumps,
falls, falling objects and harsh weather. A punctured cylinder under
pressure can become a lethal projectile. If a cylinder is punctured, do not
approach until all pressure is released.
a. Protect the valve and regulator. Damage to either can result in
regulator’s explosive ejection from the cylinder.
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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8. Always secure a gas cylinder in a vertical position to a welding cart or
other fixed support with a steel chain, so it cannot be knocked over.
a. Away from areas where they may be struck or subjected to physical
damage.
b. A safe distance from arc welding or cutting operations and any other
source of heat, sparks or flame.
b. Do not use as an improvised support or roller.
9. Always place the cylinder cap securely on the cylinder unless it is in use or
being serviced.
10. Do not use a wrench or hammer to open a cylinder valve that cannot be
opened by hand. Notify your supplier for instructions.
11. Do not modify or exchange gas cylinder fittings.
12. Close the cylinder valve and immediately remove the faulty regulator from
service for repair, if any of the following conditions exist:
a. Gas leaks externally.
b. Delivery pressure continues to rise with the downstream valve closed.
c. The gauge pointer does not move off the stop pin when pressurized or
fails to return to the stop pin after pressure is released.
13. Do not attempt to make regulator repairs. Send faulty regulators to the
manufacturer's designated repair center.
14. Do not weld on the gas cylinder.
15. Keep your head and face away from the cylinder valve outlet when opening the
cylinder valve.
16. Compressed gas cylinders must not be located in a confined space with the
person welding to prevent the possibility of leaks displacing the oxygen.
ELECTRICAL SAFETY
1. Do not come into physical contact with the welding current circuit. The
welding current circuit includes:
a. The workpiece or any conductive material in contact with it.
b. The ground clamp.
c. The electrode or welding wire;
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
14 For technical questions call 1-800-665-8685
d. Any metal parts on the electrode holder or wire feed torch.
e. The output terminals.
2. Insulate yourself from the electrical current and ground using electrical
insulating mats or covers big enough to prevent physical contact with the
workpiece or ground.
3. Connect the ground clamp as close to the welding area on the workpiece
as practical to prevent welding current from traveling along an unexpected
path and causing an electric shock or fire hazard.
a. An option is to attach the ground clamp to a bare metal spot on a
metal workbench. The circuit will complete as long as the workpiece
is also in full contact with the bare metal workbench.
4. Only use insulated connectors to join welding cables.
5. Ensure there are no contacts between the workpiece and work area that
would allow it to ground, other than through the ground cable circuit
6. Do not exceed the duty cycle or amperage required for the type of welding.
Excessive amperage can cause the deterioration of protective insulation
and create a shock hazard.
7. Unplug the welding unit when not in use as the unit as current is still
entering the unit, even when it is turned off.
8. Frequently inspect input power cable for wear and tear, replace the cable
immediately if damaged. Bare wiring is dangerous and can kill.
9. Do not use damaged, under sized or badly joined cables.
10. Do not disconnect the power cord in place of using the ON/OFF switch on
the tool. This will prevent an accidental startup when the power cord is
plugged into the power supply.
a. In the event of a power failure, turn off the machine as soon as the
power is interrupted. The possibility of accidental injury could occur, if
the power returns and the unit is not switched off.
11. Make certain the power source conforms to requirements of your
equipment (see Specifications).
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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POWER TOOL PRECAUTIONS
This equipment requires a dedicated 120/230 VAC, 15 amp single-phase
alternating current circuit equipped with a similarly rated circuit breaker or slow
blow fuse. Do not run other appliances, lights, tools or equipment on the circuit
while operating this welding unit.
1. Do not drape or carry coiled welding cables on your body while the cables
are plugged into the welding unit.
2. Do not start the tool when the electrode is touching the workpiece.
3. Hold the tool by the insulated gripping surfaces when performing an operation
where it may contact hidden wiring or its own cord and cables. Contact with a
‘live’ wire will electrify exposed metal parts and shock the operator.
4. Take work breaks to prevent the tool's motor from overheating and/or
overloading. Refer to the welding unit’s duty cycle in Specifications.
5. Keep hands away from the electrode and the area it is being applied to
when the tool is in operation.
6. Do not connect the welding unit ground clamp to an electrical conduit. Do
not weld on an electrical conduit.
7. Do not touch the electrode or welded surface immediately after use. The
surface will be hot and may cause an injury.
8. Never use a tool with a cracked or worn electrode. Change the electrode
before using and discard the damaged one.
POWER CORD
1. Insert the power cord plug directly to the power supply whenever possible.
Extension cords are not recommended for use with this welding unit.
a. When an extension cord is required, use a welding version that
exceeds the welding unit’s maximum power requirement.
2. Do not operate this tool if the power cord is frayed or damaged, as an electric
shock or surge may occur, resulting in personal injury or property damage.
a. Inspect the tool's power cord for cracks, fraying or other faults in the
insulation or plug before each use.
b. Discontinue use if a power cord feels more than comfortably warm
while operating the tool.
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
16 For technical questions call 1-800-665-8685
3. Keep all connections dry and off the ground to reduce the risk of electric
shock. Do not touch plug with wet hands.
4. Prevent damage to the power cord by observing the following:
a. Do not pull on the cord to disconnect the plug from an outlet.
b. Keep cord away from heat, oil, sharp edges or moving parts.
c. Place the electrical cord in a position that prevents it from contacting the
tool or workpiece. The cord should always stay behind the tool.
5. Make sure to locate the cord so that it is not stepped on, tripped over or
otherwise subject to damage or stress.
6. Do not wrap the cord around the tool, as sharp edges may cut insulation or
cause cracks if wound too tight. Gently coil cord and either hang on a hook
or fasten with a device to keep cord together during storage.
ELECTROMAGNETIC FIELDS
WARNING! Stop welding immediately and move away from the welding unit if
you feel faint, dizzy, nausea or shocks. Seek medical attention.
Electromagnetic Fields (EMF) can interfere with electronic devices such as
pacemakers. Anyone with a pacemaker should consult with their doctor before
working with or near an arc welding unit. The following steps can minimize the
effects of electromagnetic fields.
1. Twist or tape cables together and prevent coils.
2. Do not drape cables on your body.
3. Keep the welding power source and cables as far away from the user as
practical. A minimum of 24 in. is recommended.
4. Connect the workpiece clamp as close to the weld as possible, but lay the
electrode and workpiece cables away from the user.
5. Use the lowest current setting possible during welding.
6. Avoid long and regular bursts of energy while welding. Apply the electrode
in short strokes and intermittently. This will prevent the pacemaker from
interpreting the signal as a rapid heartbeat.
7. Do not allow the electrode to touch the metal while welding.
8. Keep the lead cable and ground cables on the same side of your body.
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
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9. Do not weld while carrying the welding power source.
10. Do not work next to, sit or lean on the welding power source.
UNPACKING
WARNING! Do not operate the tool if any part is missing. Replace the
missing part before operating. Failure to do so could result in a malfunction
and personal injury.
Remove the parts and accessories from the packaging and inspect for damage.
Make sure that all items in the contents are included.
Contents: • TIG Torch Ground Lead Quick Connector
Gas Hose w/Clamp Electrode Holder
IDENTIFICATION KEY
A Handle
B Control Panel
C Remote Connection
D Torch Switch Connector
E Positive (+) Power Socket
F Gas Outlet
G Negative (-) Power Socket
H Power LED
I Work LED
J Digital Display
K Overheating LED
L Overvoltage LED Power LED
M Welding Mode
N Welding Selection Key
O Adjustment Knob
P Welding Parameters
Q Parameter Selection Key
Fig. 1
Fig. 2
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
18 For technical questions call 1-800-665-8685
OPERATION
Letter references in parenthesis (A) refer to the included Identification Key.
CONTROL PANEL SET-UP FOR WELDING
1. Turn on the machine. All LED indicators
will light up for two seconds before
turning off. The power indicator and
selected welding mode will remain on.
The digital display (J) will display the
current setting.
2. Select the welding mode (M) by pushing the welding selection key (N) on
the top or bottom half to move the selection. The LED will light up each
time a new welding selection is chosen.
3. Adjust the welding parameters (P) for the chosen welding mode.
a. Select the parameter by pressing the top or bottom of the parameter
selection key (Q). The selected parameter’s LED indicator will light up.
b. Turn the adjustment knob (O) to alter the parameter setting displayed
in the digital display (J).
4. Set each parameter in the same manner.
5. All parameters are locked in five seconds after there are no further adjustments.
SELECTING WELDING TYPE
DC TIGPrimary TIG welding method. The welding machine set-up can be
either DC positive or DC negative, based on the particular requirements for the
welding task.
Pulse DC TIG – Accuracy and neater welds result from this welding method.
The frequency determines how many times a second power is applied to the
material and filler stick. A lower frequency reduces the amount of overall heat
applied to the workpiece and permits more time for precision work. A higher
frequency increases the heat applied to the material, but allows you to increase
your travel speed to create a weld much quicker than normal without
compromising the weld strength. A foot pedal is often used for variable
frequency during the welding task.
Fig. 3
V4.3 200A AC/DC Dial Control TIG Welder 202KE 8785081
Visit www.princessauto.com for more information 19
AC TIG Primary welding method for aluminum, magnesium and their metal alloys
Pulse AC TIGPrimary welding method for aluminum, magnesium and their
metal alloys. Reduces the welding heat input in the same way as Pulse DC TIG
to obtain a better weld.
DC StickWide variety of electrodes are an option. DC stick arc is stable and
smoother than the AC stick arc. DC positive polarity results in higher material
penetration while DC negative is better at material deposition.
WELDING PARAMETERS
Each welding parameter has an adjustable range that you can set based on the
type of welding and welding materials. Some welding parameters do not apply
to all welding methods.
Current(A)Available for all welding modes.
Adjust the amount of amps (heat) being applied to the weld. See Specifications
for the ranges available based on the type of welding and amount of voltage
being supplied (120/230V).
DC current is constant application of power to the weld.
AC current polarity switches between negative and positive, completing a cycle.
Pulse Frequency(Hz)Available for Pulse DC TIG.
Adjust the frequency for a slower or quicker pulse. Pulse TIG creates a neater
weld and allows you to adjust the speed of creating the weld. The lower the
pulse the less overall heat is applied to the weld and material.
AC Frequency(Hz)Available for AC TIG and Pulse AC TIG.
A higher frequency creates a narrower arc cone, penetrating deeper into the
material and forming a narrower bead weld with less build up. A lower
frequency will create a broad arc cone, with less penetration and more bead
build up.
AC Balance(%) Available for AC TIG and Pulse AC TIG.
The electrode positive phase penetrates the material. The electrode negative
phase cleans (etches) the area around the weld of oxides, reducing the welding
temperature needed for aluminum and magnesium. The unadjusted AC balance
is approximately 50% penetrating (EP), 50% cleaning (EN).
8785081 200A AC/DC Dial Control TIG Welder 202KE V4.3
20 For technical questions call 1-800-665-8685
Change the etching duration in the welding cycle to increase or decrease the
area that is cleaned around the welding pool. A larger percentage will result in a
better removal of oxides, but reduces the heat devoted to penetrating the
material. A lower percentage will increase the penetration, but result in less
effective cleaning.
AUTO Balance / Frequency – Available for AC TIG and Pulse AC TIG.
Welding machine automatically determines the percentage of AC Frequency and
AC Balance for optimal penetration and cleaning during the welding task.
FOOT PEDAL CONTROL (NOT INCLUDED)
The control panel selections determine
the amount and frequency of current
delivered to the torch.
The foot pedal allows you to vary the
amount of welding current applied from
moment-to-moment. This increases the
precision control of heat for delicate
welding situations. The panel setting still
determines the maximum amperage that
the torch can generate.
OVERHEATING ALARM
Exceeding the duty cycle (see Specification)
can cause the welding machine to overheat
and shut down. The yellow overheating LED
(K) will illuminate and code E01 will appear in
the digital display (J). The welding machine
fan will continue to operate and cool the unit.
The welding machine will reset once it has cooled enough. Wait a further 10
minutes to allow the unit to cool below the overheating trigger threshold.
OVERVOLTAGE
This equipment has an automatic voltage compensation function, which enables
the unit to maintain the voltage within the given range.In case that the input
voltage or amperage exceeds the stipulated value, it is possible to damage the
Fig. 4
Fig. 5
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