BossWeld BUDDY ARC 140 Manuale utente
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ARC 140
STICK TIG
INSTRUCTION MANUAL
PO RTABLE
POWERFUL
INVERTER WELDER
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CONTENTS
Specications......................................................................................................................... Page 02
Machine Overview.................................................................................................................. Page 02
Safety Information .................................................................................................................. Page 03
Machine Safety....................................................................................................................... Page 04
Work Area Safety....................................................................................................................Page 04
Personal Protective Equipment (PPE) ....................................................................................Page 05
Maintenance...........................................................................................................................Page 05
MMA (Stick) Machine Set Up ................................................................................................. Page 06
MMA (Stick) Operation ...........................................................................................................Page 07
TIG Machine Set Up............................................................................................................... Page 08
TIG Operation.........................................................................................................................Page 09
Trouble Shooting ....................................................................................................................Page 10
Disposal..................................................................................................................................Page 10
Box Contents .........................................................................................................................Page 11
Optional Accessories ............................................................................................................. Page 11
Warranty Information .............................................................................................................. Page 12
SPECIFICATIONS
Power Supply
Primary Input Plug Fitted
Duty Cycle
Open Circuit Voltage
Output Current Range
I ieff
Input Current Max
Protection Class
Electrode Diameter Range
Thermal Overload Protection
Machine Dimensions
Machine Weight
240V
10 Amp
15% @ 140A
60% @ 70A
100% @ 54A
62V (18V VRD)
10 - 140 Amps
10 Amps
25 Amps
IP21S
2.5mm - 3.2mm
Yes
210 x 110 x 137mm
2.2kg
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MACHINE OVERVIEW
1. Control Panel
2. Positive Output Connection Socket
3. Negative Output Connection Socket
4. Power Switch (rear of machine)
5. Power Lead Input (rear of machine)
Control Panel
1. Digital Setting Display
2. Overload Indicator Light
3. VRD Indicator Light
Indicates that the Voltage Reduction Device is operating. VRD
reduces the Open Circuit Voltage before welding for added safety
4. Current Adjustment Knob
5. Process Selection Button
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1 432
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WARNING! The device and packaging material are not toys! Children must not be allowed to
play with the machine and its accessories. Plastic parts and packaging are choking risks for
children.
• Open the packaging and remove the welder carefully.
• Check that the delivery is complete.
• If possible, store the packaging until the warranty period has expired.
The user of this welder is responsible for their own safety and the safety of others. It is important
to read, understand and respect the contents of this user guide. When using this welder, basic
safety precautions, including those in the following sections must be followed to reduce the risk
of re, electric shock and personal injury. Ensure that you have read and understood all of these
instructions before using this welder.
Persons who are not familiar with this user guide should not use this welder. Keep this booklet in a
safe place for future reference.
TRAINING
The operator should be properly trained to use the welding machine safely and should be informed
about the risks relating to arc welding procedures. This user guide does not attempt to cover
welding technique. Training should be sought from qualied / experienced personnel on this aspect,
especially for any welds requiring a high level of integrity for safety.
SERIOUS FIRE RISK
The welding process produces sparks, droplets of fused metal, metal projectiles and fumes.
This constitutes a serious re risk. Ensure that the area in which welding will be undertaken is clear
of all inammable materials. It is also advisable to have a re extinguisher, and a welding blanket on
hand to protect work surfaces.
SAFETY INFORMATION
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• Ensure a clear, well lit work area with unrestricted movement for the operator.
• The work area should be well ventilated, as welding emits fumes which can be dangerous.
• Always maintain easy access to the ON/OFF switch of the welder, and the electrical mains supply
• Do not expose the welder to rain and do not operate in damp or wet locations
Where welding must be undertaken in environments with increased risk of electric shock, conned
spaces or in the presence of ammable or explosive materials, it is important that the environment
be evaluated in advance by an “expert supervisor”. It is also recommended that welding in these
circumstances be carried out in the presence of persons trained to intervene in emergencies.
AVOID ELECTRICAL CONTACT
Use adequate electrical insulation with regard to the electrode, the work piece and any accessible
earthed metal parts in the vicinity. Avoid direct contact with the welding circuit. The no load voltage
between the work clamp and the electrode can be dangerous under certain circumstances.
Note: For additional protection from electric shock. It is recommended that this welder be used in
conjunction with a residual current device (RCD) with rated residual current of 30MA or less.
In general the use of extension leads should be avoided. If used however, ensure that the extension
lead used with the welder is of a suitable current rating and heavy duty in nature that MUST have an
earth connection. If using the welder outdoors, ensure that the extension lead is suitable for outdoor
use. Always keep extension leads away from the welding zone, moisture and any hot materials.
WELDING SURFACES
• Do not weld containers or pipes that hold, or have held, ammable liquids or combustible gases
or pressure.
• Do not weld on coated, painted or varnished surfaces as the coatings may ignite, or can give off
dangerous fumes.
WORK PIECE
When welding, the work piece will remain at high temperature for a relatively long period. The
operator must not touch the weld or the work piece unless wearing welding gloves. Always use
pliers or tongs. Never touch the welded material with bare hands until it has completely cooled
VOLTAGE BETWEEN ELECTRODE HOLDERS OR TORCHES
Working with more than one welding machine on a single work piece, or on work pieces that are
connected, may generate a dangerous accumulation of no-load voltage between two different
electrode holders or torches, the value of which may reach double the allowed limit.
Keep the welding cables, work clamp and electrode holder in good condition. Failure to do this can
result in poor welding quality, which could be dangerous in structural situations.
Prior to use, check for breakage of parts and any other conditions that may affect operation of the
welder. Any part of the welder that is damaged should be carefully checked to determine whether
it will perform its intended function whilst being safe for the operator. Any part that is damaged
should be properly repaired, or replaced by an authorised service centre.
IMPROPER USE
It is hazardous to use the welding machine for any work other than that for which it was designed
e.g. do not use welder for thawing pipes.
HANDLING
Ensure the handle is correctly tted. As welding machines can be heavy, always use safe lifting
practices when lifting.
POSITION AND HANDLING
To reduce risk of the machine being unstable / danger of overturning, position the welding machine
on a horizontal surface that is able to support the machine weight. Operators MUST NOT BE
ALLOWED to weld in raised positions unless safety platforms are used.
MACHINE SAFETY
WORK AREA SAFETY
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PERSONAL PROTECTIVE EQUIPMENT MUST BE USED WHEN MACHINE IS IN USE!
GLOVES AND PROTECTIVE CLOTHING
Use protective gloves and re resistant protective clothing when welding. Avoid exposing skin to
ultraviolet rays produced by the arc.
WELDING HELMET
Under no circumstances should the welder be operated unless the operator is wearing a welding
helmet to protect the eyes and face. There is serious risk of eye damage if a helmet is not used. The
sparks and metal projectiles can cause serious damage to the eyes and face. The light radiation
produced by the arc can cause damage to eyesight, and burns to skin. Never remove the welding
helmet whilst welding.
SAFETY GLASSES
Always use appropriate safety glasses when brushing, chipping or grinding the slag from the weld.
OTHER PERSONS
Ensure that other persons are screened from the welding arc and are at least 15 metres away from
the work piece. Always ensure that the welding arc is screened from onlookers. Use screens if
necessary or non-reecting welding curtain. Do not allow children or animals access to the welding
equipment or to the work area.
SWITCHING OFF
When the operator has nished welding they must switch the welder off. DO NOT put the electrode
holder down with the welder switched ON. When leaving the welder unattended, switch OFF and
disconnect the welder from the electrical mains supply. Do not leave hot material unattended after
welding.
FUMES & GASES ARE DANGEROUS
Smoke and gas generated whilst welding or cutting can be harmful to people’s health. Welding
produces fumes and gases. Breathing these fumes and gases can be hazardous to your health.
• Do not breathe the smoke and gas generated whilst welding or cutting, keep your head out of the fumes
• Keep the working area well ventilated, use fume extraction or ventilation to remove fumes and gases
• In conned or heavy fume environments always wear an approved 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.
• Do not weld in locations near de-greasing, cleaning, or spraying operations. The heat and rays of
the arc can react with vapours to form highly toxic and irritating gases.
• Materials such as galvanized, lead, or cadmium plated steel, containing elements that can give off
toxic fumes when welded. Do not weld these materials unless the area is very well ventilated, and
or wearing an air supplied respirator.
WARNING! Before starting any cleaning, or maintenance procedures on the welding machine, make
sure that it is switched OFF and disconnected from the mains supply.
There are no user serviceable parts inside the welder. Refer to a qualied service personnel if any
internal maintenance is required. After use, wipe the welder down with a clean soft dry cloth.
Regular inspection of the supply cord is required. If damaged is suspected, must be immediately
replaced by the manufacturer, its service agent or similarly qualied persons.
STORAGE/ TRANSPORT
Store the welder and accessories out of children’s reach in a dry place. If possible store the welder in
the original packaging. The appliance must be secured against falling or rolling over during transport.
PERSONAL PROTECTIVE EQUIPMENT (PPE)
MAINTENANCE
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WARNING! Ensure the machine is turned off and disconnected from the power supply before
performing any of the following operations.
Fitting the Arc and Work Leads
1. For the most common applications, plug the work clamp
connector into the Negative terminal. Twist to ensure a
good connection.
2. Plug the Electrode holder connector into the positive
terminal. Twist to ensure a good connection.
Grounding and Fitting the Electrode
3. Connect the work clamp rmly to the work-piece ensuring
that the clamp makes good contact with bare metal.
4. Take the electrode holder and press the handle to open the
tong. Insert the bare metal rod end of the electrode and
release the handle to clamp the electrode.
Welding Setup
5. Plug the machine 10Amp input power lead into the wall
socket, ensuring that the power switch on the machine is in
the OFF position.
6. Turn the power outlet on and turn on the machine using the
power switch on the rear of the machine
WARNING: Ensure the electrode/electrode holder is not
near the work-piece when switching on the machine.
7. Select MMA using the Process Selection Button.
8. Select your required welding current by turning the Welding
Current Adjustment Knob on the machine control panel.
Work ClampElectrode Holder
MMA (STICK) WELDING MACHINE SET UP
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Average Metal Thickness Electrode Size
1.0 - 2.0mm 2.0mm
2.0 - 5.0mm 2.6mm
5.0 - 8.0mm 3.2mm
8.0mm + 4.0mm
Electrode Selection Guide
Electrode size selection will be determined by the thickness
of the section being welded. Use the table below as a guide:
Welding Current Guide
Welding current level is determined by the size of electrode.
Use the table below as a guide:
Electrode Size/Gauge Welding Current
1.6mm 40-50 Amps
2.0mm 50-75 Amps
2.5mm 75-105 Amps
3.2mm 105-140 Amps
4.0mm 140-160 Amps
WARNING! Ensure appropriate PPE is worn, and work area is clear of hazards prior to operation.
Starting The Arc
1. Hold the Electrode above the work piece. In a smooth, quick motion, scratch the electrode
across the work piece to create the arc.
Welding Work Piece
2. Hold the Electrode slightly above the work piece to maintain the arc, moving the electrode at an
even speed to create an even weld distribution.
Finishing the Weld
3. Pull the electrode away from work piece quickly to break the arc.
4. Once the weld has cooled, clean the weld by chipping away at slag to reveal the weld metal.
MMA (STICK) WELDING OPERATION
8
TIG WELDING MACHINE SET UP
WARNING! Ensure the machine is turned off and disconnected from the power supply before
performing any of the following operations.
Fitting the TIG Torch, Work Clamp & Gas Leads
1. Plug work clamp connector into the Positive terminal.
Twist to ensure a good connection.
2. Plug TIG Torch into the Negative terminal. Twist to ensure
a good connection.
3. Connect gas line to regulator on gas bottle.
Note: CHECK FOR LEAKS prior to welding
Welding Setup
4. Connect the work clamp rmly to the work-piece ensuring
that the clamp makes good contact with bare metal.
5. Plug the machine 10Amp input power lead into the wall
socket, ensuring that the power switch on the machine is in
the OFF position.
6. Turn the power outlet on and turn on the machine on using
the power switch on the rear of the machine
7. Carefully open the valve of the gas cylinder. Adjust to
required gas ow rate as indicated on the regulator.
8. Select TIG welding mode by pressing the Welding Process
Selection Button until the TIG Welding Process Indicator
Light is illuminated.
9. Rotate the Adjustment Knob to set the welding current as
required.
NOTE: TIG TORCH SOLD SEPERATELY
Electrode HolderWork Clamp
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TIG WELDING OPERATION (LIFT START)
WARNING! Ensure appropriate PPE is worn, and work area is clear of hazards prior to operation.
Starting The Arc
1. Lay the outside edge of the Gas Cup on the work piece.
Maintain a 1-3mm gap between the Tungsten Electrode and
the work piece.
2. Rock the torch sideways so the Tungsten Electrode touches
the work piece and hold momentarily.
3. Rock the torch back, the arc will ignite as the Tungsten
Electrode lifts off the work piece.
4. Lift the torch and hold approximately 2mm above the work
piece to maintain the arc.
Welding Work Piece
5. Hold the Torch in place, moving in a small circular motion,
until a weld pool is generated.
6. Tilt the torch at a 75° angle, introducing the ller wire (TIG
rod) into the leading edge of the weld pool at a 15° angle.
7. Move Torch and ller wire smoothly and at an even speed to
create an even weld distribution. The arc will melt the ller
wire into the pool as the torch moves forward.
Note: It is important to keep the molten end of the ller
wire inside the gas shield to protect from oxidation and
contamination.
Finishing the Weld
8. Pull electrode away from work piece quickly to break the arc.
Welding Gas Selection Guide
Use the table below as a guide:
Metal Type Recommended Gas
Mild Steel Argon
Stainless Steel Argon
Low Alloy Steel Argon
Aluminium Argon
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Problem Suggested Remedy
Power indicator is not lit,
fan does not work and
no output current
1. Check that the welder is plugged into the 240V mains outlet and is
switched on.
2. Check that the mains fuse or breaker has not operated.
3. Check that the main switch on the rear of the unit is in the on position.
Power indicator is lit, fan
works, no output current
1. Check the welding cables are connected correctly.
2. Check the output connectors are not disconnected or damaged.
3. Check that the work clamp is connected securely to the work piece
and that the contact point is clean of paint or rust.
Over temperature
indicator is on, no output
current
1. Duty cycle of the unit has been exceeded. Allow the unit to cool.
Output current is not
stable.
1. Check mains voltage is constant.
2. Check the welding cable connectors are tight in the sockets.
3. Check the work clamp connection to the work piece.
4. Check the welding leads are not reversed.
Excessive Spatter 1. Check that the output polarity is correct for the type of electrode
being used
DISPOSING OF THE PACKAGING
Recycling packaging reduces the need for landll and raw materials. Reuse of the recycled material
decreases pollution in the environment. Please recycle packaging where facilities exist. Check with
your local council authority for recycling advice.
DISPOSING OF THE WELDER
Welders that are no longer usable should not be disposed of with household waste but in an
environmentally friendly way. Please recycle where facilities exist. Check with your local council
authority for recycling advice.
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DISPOSAL
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