Kemppi MinarcMig Adaptive 150 Bedienungsanleitung
Operation instructions • English
Gebrauchsanweisung • Deutsch
Gebruiksaanwijzing • Nederlands
Manuel d’utilisation • Français
1910170E
0550
MinarcMig™ Adaptive 150
MinarcMig™ Adaptive 150
© Kemppi Oy 0550 1
EN
OPERATION INSTRUCTIONS
ENGLISH
MinarcMig™ Adaptive 150
2 © Kemppi Oy 0550
EN
CONTENTS
1. INTRODUCTION ..................................................................3
1.1. PROPERTIES .............................................................................3
1.2. ABOUT WELDING ...................................................................... 3
2. SAFETY INSTRUCTIONS ...................................................4
2.1. USE OF PROTECTIVE ACCESSORIES ....................................4
2.2. SAFE USE OF THE WELDING GUN .......................................... 4
2.3. FIRE SAFETY .............................................................................4
2.4. SUPPLY VOLTAGE .....................................................................5
2.5. WELDING CIRCUIT ....................................................................5
2.6. WELDING FUMES ......................................................................5
3. MACHINE USE ....................................................................6
3.1. BEFORE IMPLEMENTATION ..................................................... 6
3.2. GENERAL VIEW OF THE MACHINE ......................................... 7
3.3. CABLE CONNECTIONS Connection to the mains .....................7
3.4. FILLER WIRE ..............................................................................9
3.4.1. Changing the feed roll groove ..................................................9
3.4.2. Threading the filler wire ..........................................................10
3.4.3. Reversing polarity .................................................................. 11
3.5. CONTROLS AND INDICATOR LIGHTS .................................... 12
3.5.1. Welding power adjustment .....................................................13
3.5.2. Arc length trimmer .................................................................. 13
3.6. THREADING THE SHOULDER STRAP .................................... 14
4. SERVICE ............................................................................14
4.1. DAILY MAINTENANCE ............................................................. 15
4.2. MAINTENANCE OF THE WIRE FEED MECHANISM .............. 15
4.3. MACHINE DISPOSAL ............................................................... 16
4.4. ORDERING NUMBERS ............................................................. 17
5. TROUBLESHOOTING ........................................................18
6. TECHNICAL DATA .............................................................19
7. TERMS OF GUARANTEE .................................................20
MinarcMig™ Adaptive 150
© Kemppi Oy 0550 3
EN
1. INTRODUCTION
MinarcMig™ Adaptive 150 is an easy-to-use MIG welding machine suitable for
both hobby and professional use. Before using or doing any maintenance work
on the machine, read the operating manual and keep it for further reference.
1.1. PROPERTIES
The welding machine is small, efficient and extremely light. It is easy to carry
with the help of a shoulder strap. The machine is suitable for a range of different
purposes and the possibility to use a long extention cord eases operation in
various sites. It is also suitable for generator use on construction sites.
Welding voltage and wire feed speed are adjusted with one control according to
the thickness of the welded sheet. Thus, selecting the right parameters is easy.
The length of the arc, or welding heat, is trimmed with another control, and
once the right value is found there usually is no need to change it even when
welding a thicker or thinner sheet.
The machine’s welding properties are optimum with a steel wire of
0.8 mm diameter. Also, 0.6 mm, 0.9 mm or 1.0 mm solid wire or cored wire
can be used as filler wire. Note, however, that the machine is designed for steel
wire welding only.
1.2. ABOUT WELDING
In addition to the welding machine, welding outcome is influenced by the piece
being welded and the welding environment. Therefore, recommendations in this
manual must be followed.
During welding electric current is led with the welding gun’s current nozzle to
the filler wire and via that to the welded piece. Earthing cable attached to the
workpiece guides the current back to the machine, forming the needed closed
circuit. Unrestricted current flow is possible when the earthing clamp is properly
attached to the workpiece and the fixing point of the clamp on the workpiece is
clean, paintless and rustfree.
Shielding gas must be used during welding in order to prevent air from mixing
with the weld pool. Carbon dioxide or a mixture of carbon dioxide and argon is
suitable for shielding gas. Some filler wires form a shielding gas from the wire’s
filling as it melts thus eliminating the need for a separate shielding gas.
MinarcMig™ Adaptive 150
4 © Kemppi Oy 0550
EN
2. SAFETY INSTRUCTIONS
The machine is safe to use due to its plastic cover, which does not conduct
electricity. The welding gun has an overheating protector which prevents
operation when the machine is overheated. The machine is also protected from
too low or too high supply voltage.
However, there are some risk factors connected to welding. You should therefore
read and follow the following safety instructions carefully.
2.1. USE OF PROTECTIVE ACCESSORIES
The arc and its reflecting radiation damage unprotected eyes. Always protect
your eyes and face with an appropriate welding mask. The arc and welding
spatters burn unprotected skin. When welding, always use protective gloves
and clothing.
2.2. SAFE USE OF THE WELDING GUN
Parts of the machine, such as the end of the filler wire and welding gun, become
burning hot during use. The wire is also sharp and moves quickly, so be careful
when threading it to place.
Never carry the machine on your shoulder during welding, but place it on an
even surface. Also, do not store the machine by hanging it from the shoulder
strap. The shoulder strap is for carrying only.
Do not keep the machine near or on hot objects, as the plastic cover may
melt.
Do not move the shielding gas bottle when the control valve is in place. Fix the
gas bottle securely in an upright position to a separate wall rack or bottle cart.
Always close the gas bottle after use.
2.3. FIRE SAFETY
Welding is always classified as hot work, so pay attention to fire safety regulations.
Protect the environment from welding spatters. Remove inflammable material,
such as burning fluids, from the vicinity of the welding site and supply the site
with adequate fire-fighting equipment.
Take into account dangers caused by special workplaces, such as fire risk and
danger of explosion, when welding container-like pieces.
MinarcMig™ Adaptive 150
© Kemppi Oy 0550 5
EN
NOTE! Fire caused by sparks may brake out even after several hours!
CAUTION! Welding in inflammable and explosive sites is strictly
forbidden!
2.4. SUPPLY VOLTAGE
• Do not take the welding machine inside a workpiece, for example in to a
container or a car.
• Do not place the welding machine on a wet surface.
• Change faulty cables immediately for they are life-threatening and may
cause a fire.
• Ensure that cables are not squeezed or in contact with sharp edges or a hot
workpiece.
2.5. WELDING CIRCUIT
• Insulate yourself from the welding circuit by using dry and undamaged
protective clothing.
• Do not work on a wet surface.
• Do not use damaged welding cables.
• Do not place the welding gun or earthing clamp on the welding machine or
other electrical device.
2.6. WELDING FUMES
Make sure ventilation is sufficient. Take special precautions when welding
metals containing lead, cadmium, zinc, mercury or beryllium.
Supply of sufficient clean air can also be ensured with the use of a fresh air
mask.
MinarcMig™ Adaptive 150
6 © Kemppi Oy 0550
EN
3. MACHINE USE
The machine is delivered ready for operation without adjustments with 0.8 mm
diameter filler wire.
If you use non-recommended filler wire, make sure that the feed roll groove,
welding gun contact tip and machine polarity are suited for the used wire size
and type.
3.1. BEFORE IMPLEMENTATION
The products are packed to durable packages especially designed for them.
However, always make sure before use that the products have not been damaged
during transportation. Check also, that you have received the products you
ordered and the instruction manuals needed. Product packing material is
recyclable.
Transportation
The machine should be transported in an upright position.
NOTE! Always move the welding machine by lifting it from the handle.
Never pull it from the welding gun or other cables.
Environment
The machine is suitable for both indoor and outdoor use, but it should be
protected from heavy rain and sunshine. Store the machine in a dry and clean
environment and protect it from sand and dust during use and storage. The
recommended operating temperature range is -20°C – +40°C.
Place the machine in such a way that it does not come in contact with hot
surfaces, sparks and spatters.
Make sure the air flow in the machine is unrestricted.
MinarcMig™ Adaptive 150
© Kemppi Oy 0550 7
EN
3.2. GENERAL VIEW OF THE MACHINE
Figure 3.1. General view
1. Welding gun
2. Earthing cable
3. Main switch
4. Supply voltage cable
5. Shielding gas hose connector
3.3. CABLE CONNECTIONS
Connection to the mains
The machine is equipped with a 3.3 m long supply voltage cable and plug.
Connect the supply voltage cable to the mains.
NOTE! The fuse size needed is 16 A delayed.
If you use an extension cord, its cross-sectional area should be at least as large
as the supply voltage cable’s (3 x 2.5 mm²). The maximum length for the
extension cord is 50 m.
The machine can also be used with a generator. The minimum power for the
generator is 3.5 kVA, and the recommended power 6.0 kVA in order for the
machine to be used at maximum capacity.
Earthing
The earthing cable is already connected to the machine. Clean the workpiece
surface and fix the earthing cable clamp to the piece in order to create a closed
and interference-free circuit needed for welding.
MinarcMig™ Adaptive 150
8 © Kemppi Oy 0550
EN
Welding gun
The welding gun is already connected to the machine. The welding gun leads
the filler wire, shielding gas and electric current to the weld. When you press
the welding gun trigger, shielding gas flow and wire feed begin. The arc ignites,
when the filler wire touches the welded piece.
The gun neck can be rotated 360°. When turning the neck, always make sure
that the neck is twisted almost all the way to the bottom. This prevents damaging
and overheating the neck.
NOTE! If you use other than 0.8 mm diameter filler wire, change the
welding gun contact tip to match the wire thickness.
Shielding gas
The shielding gas used for steel wires is carbon dioxide or a mixture of argon
and carbon dioxide which replaces air in the arc’s area. Thickness of the welded
sheet and welding power define the flow rate of the shielding gas.
The machine is delivered with a 4.5 m long shielding gas hose. Connect the
bayonet socket of the shielding gas hose to the machine’s hose connector and
the hose connector end to the gas bottle’s control valve.
Figure 3.2. Connecting the gas hose to a typical control valve
1. Connect the hose to the gas
bottle’s control valve and
tighten the connector.
2. Adjust the flow rate with
the control valve screw. A
suitable shielding gas flow
rate is 8-15 l/min.
3. Close the bottle’s valve
after use.
NOTE! Use a shielding gas suitable for the material’s welding. Fix the gas
bottle securely in an upright position before installing the control valve.
MinarcMig™ Adaptive 150
© Kemppi Oy 0550 9
EN
3.4. FILLER WIRE
The machine is delivered with the welding gun connected to +pole making it
suitable for steel solid wire welding without adjustments.
3.4.1. Changing the feed roll groove
The feed roll groove is factory set for welding filler wires of 0.8-1.0 mm
diameter. The feed roll groove must be changed if you use 0.6 mm thick filler
wire.
Figure 3.3. Changing the feed roll groove
1. Open the feed roll from the pressure control lever.
2. Switch the machine on from the main switch.
3. Press the welding gun trigger and drive the feed roll in such a position that
its locking screw is up and can be opened.
4. Switch the power off from the main switch.
5. Open the feed roll locking screw with a 2.0 mm Allen wrench
approximately half a turn.
6. Pull the feed roll from its shaft.
7. Turn the feed roll and reinstall it to its shaft all the way to the bottom
making sure that the screw is on the shaft’s level.
8. Tighten the feed roll locking screw.
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