Kemppi MinarcMig Evo 170, MinarcMig Evo 200 User manual
MinarcMig
Evo 170, 200
Operating manual
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Manual de utilização
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OPERATING MANUAL
English
© Kemppi Oy / 1340
EN
CONTENTS
1. Preface ................................................................................................................. 3
1.1 General ....................................................................................................................................... 3
1.2 Product introduction ............................................................................................................ 3
1.2.1 Properties ......................................................................................................................... 3
1.2.2 About welding ................................................................................................................. 4
2. Before you start using the unit ................................................................... 4
2.1 Unpacking ................................................................................................................................. 4
2.2 Positioning and location of the machine ...................................................................... 5
2.3 Distribution network ............................................................................................................. 5
2.4 Serial number ........................................................................................................................... 5
2.5 General view of the machine ............................................................................................. 5
2.6 Cable connections ................................................................................................................. 6
2.7 Filler wire .................................................................................................................................... 8
2.7.1 Changing the feed roll groove ........................................................................................ 8
2.7.2 Loading and threading the ller wire ............................................................................. 9
2.7.3 Reversing polarity ..........................................................................................................10
2.8 Controls and indicator lights ............................................................................................11
2.8.1 Display in automatic mode ...........................................................................................13
2.8.2 Welding power adjustment in automatic mode .........................................................13
2.8.3 Arc length trimmer in automatic mode .......................................................................14
2.8.4 Display in manual mode ...............................................................................................14
2.8.5 Adjustments in manual mode ......................................................................................15
2.9 MIG/MAG welding ................................................................................................................15
2.10 Using the shoulder strap ...................................................................................................17
3. Maintenance ....................................................................................................17
3.1 Daily maintenance ...............................................................................................................17
3.2 Maintenance of the wire feed mechanism .................................................................18
3.3 Troubleshooting ...................................................................................................................19
3.4 Storage .....................................................................................................................................19
3.5 Disposal of the machine ....................................................................................................19
4. Ordering numbers .........................................................................................20
5. Technical data ................................................................................................. 21
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MinarcMig Evo 170, Evo 200
1. PREFACE
1.1 General
Congratulations on choosing MinarcMig Evo welding equipment. Used correctly, Kemppi
p°roducts can signicantly increase the productivity of your welding, and provide years of
economical service.
This operating manual contains important information on the use, maintenance and safety of
your Kemppi product. The technical specications of the equipment can be found at the end
of the manual.
Please read the manual carefully before using the equipment for the rst time. For your
own safety and that of your working environment, pay particular attention to the safety
instructions in the manual.
For more information on Kemppi products, contact Kemppi Oy, consult an authorised Kemppi
dealer, or visit the Kemppi web site at www.kemppi.com.
For Kemppi’s standard safety instructions and warranty terms and conditions, please visit our
web site at www.kemppi.com.
The specications presented in this manual are subject to change without prior notice.
NOTE! Items in the manual that require particular attention in order to minimise damage and
personal harm are indicated with this symbol. Read these sections carefully and follow their
instructions.
Disclaimer
While every eort has been made to ensure that the information contained in this guide
is accurate and complete, no liability can be accepted for any errors or omissions. Kemppi
reserves the right to change the specication of the product described at any time without
prior notice. Do not copy, record, reproduce or transmit the contents of this guide without
prior permission from Kemppi.
EN
1.2 Product introduction
MinarcMig Evo 170 and 200 are easy-to-use MIG/MAG welding machines suitable for
professional industry, site and repair welding. Before use or doing any maintenance work on
the machine, read the operating manual and keep it for further reference.
MinarcMig Evo tolerates input voltage uctuation and is suitable for work on sites using
power generators and use with long power cables. The power source utilises PFC technology,
ensuring optimum usage on single phase power supplies. The IGBT inverter design delivers
reliable arc ignition and welding performance, with all ller wire types.
Welding and earth return cables are supplied in the delivery package, including gun, earth
clamp and connections.
1.2.1 Properties
The welding machine is small, ecient and light. It is easy to carry with the handle or shoulder
strap. It is suitable for a wide range of welding applications, and the possibility to use long
power extension cables makes it easy to use in worksite conditions. It is also suitable for use
with power generators.
The MinarcMig Evo 170 is set manually, with separate control for wire feed speed and voltage.
MinarcMig Evo 200 machine has both an automatic and manual operation mode. In the
automatic mode, you must rst select the ller wire material after which the welding voltage
and wire feed speed can be adjusted with one control knob, according to the thickness of
the sheet to be welded. Thus, selecting the right parameters is easy. In automatic mode, the
length of the arc, or welding heat, is trimmed with another control. In manual mode, the
welding voltage and wire feed speed are adjusted separately with their own controls. The
use of the machine is aided with an LCD display which indicates the welding current, welding
voltage and wire feed speed.
© Kemppi Oy / 1340
3
EN
You can use steel (solid or cored wire), stainless steel, aluminium and CuSi as ller wire in the
machine. The steel wire can be 0.6 mm, 0.8 mm, 0.9 mm or 1.0 mm thick, but the machine’s
welding properties are optimum with a steel wire of 0.8 mm diameter. The stainless steel wire
can be 0.8 mm, 0.9 mm or 1.0 mm in diameter, the aluminium wire 1.0 mm and CuSi wire 0.8,
0.9 and 1.0 mm.
1.2.2 About welding
In addition to the welding machine, welding outcome is inuenced by the work piece to be
welded, welding technique and the welding environment. Therefore, recommendations in this
manual must be followed.
During welding, an electric welding circuit is created between the positive and negative
poles of the machine. On delivery, the welding gun is connected to the positive pole of the
machine terminals. The terminals are located inside the case door and should not be changed
unless you intend to run a ller wire that is directed to be used in reverse polarity, electrode
negative. When a ller wire is loaded to the machine, the wire feed mechanism drives the ller
wire through the contact tip mounted in the welding gun, and thus transfers electrical power
from the contact tip to the ller wire. The earth return clamp and cable (already connected to
the machine on delivery to the negative terminal) connects to the workpiece to be welded.
When the ller wire touches the work piece a short circuit occurs, forming the needed closed
electrical circuit, an arc is formed and welding commences. Unrestricted current ow is
possible only when the earth return clamp is properly attached to the workpiece and the
xing point of the clamp to the workpiece is clean, and free from paint and rust.
Shielding gas must be used during welding in order to prevent air from mixing with the weld
pool. Pure carbon dioxide or a mixture of argon and carbon dioxide is a suitable shielding
gas for steel ller wire. Argon + 2 % CO₂ mixture is suitable for stainless steel wires. Argon is
suitable for welding aluminium and CuSi wires. Some ller wires (referred to as self shielded)
form a gas shield from the burning composition of the wire’s core, thus eliminating the need
for a separate shielding gas supply.
2. BEFORE YOU START USING THE UNIT
NOTE! Please read the separate safety instruction booklet provided before you commence welding.
Pay particular attention to the risks associated with re and explosion.
2.1 Unpacking
When machine leaves factory, it is set up for use with 0.8 mm diameter ller wire. If you wish
to use an alternative thickness ller wire or type, make sure that you suitably adjust the feed
roll groove, welding gun contact tip and machine polarity for the material type selected.
If you mainly use aluminium or stainless steel ller wire, we recommend you change the wire
liner to a Kemppi plastic type, which is better suited for the material.
Always before using the equipment, make sure it was not damaged during transportation.
Also check that you have received what you ordered and that there are instructions for it.
The packaging material of the products is suitable for recycling.
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 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…+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 ow in the machine is unrestricted.
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MinarcMig Evo 170, Evo 200
2.2 Positioning and location of the machine
Place the machine on a rm, dry and level surface. Where possible, do not allow dust or other
impurities to enter the machines cooling air ow. Preferably site the machine above oor level;
for example on a suitable carriage unit.
Notes for positioning the machine
• The surface inclination should not exceed 15 degrees.
• Ensure the free circulation of the cooling air. There must be at least 20 cm of free space in
front of and behind the machine for cooling air to circulate.
• Protect the machine against heavy rain and direct sunshine.
NOTE! The machine should not be operated in the rain as the protection class of the machine,
IP23S, allows for outside preserving and storage only.
NOTE! Never use a wet welding machine.
NOTE! Never aim metallic grinding spray/sparks towards the equipment.
2.3 Distribution network
All regular electrical devices without special circuits generate harmonic currents into
distribution network. High rates of harmonic current may cause losses and disturbance to
some equipment.
MinarcMig Evo 170 and 200 comply with IEC 61000-3-12.
2.4 Serial number
The serial number of the unit is marked on the rating plate. The serial number makes it
possible to trace product manufacturing series. You might need the serial number when
placing spare parts orders or when planning maintenance.
EN
2.5 General view of the machine
5.
4.
1. Supply voltage cable
2. Main switch
3. Shielding gas hose connector
4. Welding gun and cable
5. Earth return clamp and cable
2.
3.
1.
© Kemppi Oy / 1340
5
2.6 Cable connections
Connection to the mains
The machine is tted with a 3 m long supply voltage cable and plug. Connect the supply
voltage cable to the mains. Should you need to t an alternative plug or mains cable, ensure
installation is completed by an authorised electrician.
NOTE! The fuse size needed is 16 A delayed.
If you use an extension cable, its cross-sectional area should be at least as large as the
machines supply cable (3 x 1.5 mm²). It is recommended to use 3 x 2.5 mm² extension cable.
The maximum length for the extension cable is 100 meters.
The machine can also be used with a generator. The minimum power for the generator is
4.2 kVA, and the recommended power 8.0 kVA in order for the machine to be used at
maximum capacity.
Earth return
The welding circuit earth return cable is already connected to the machine. Clean the
workpiece surface and x the earth return clamp to the work piece in order to create a
welding circuit.
EN
Welding gun
The welding gun is already connected to the machine. The ller wire, shielding gas and
electric current is delivered to the weld inside the welding gun cable. When you press the gun
trigger, shielding gas starts to ow and ller wire feed begins. The arc ignites when the ller
wire touches the work piece. Inside the gun cable there is a factory-installed wire liner that
is best suited for welding with steel and CuSi ller wires. It can temporarily be used also with
stainless steel and aluminium wires. However, this is not recommended because of greater
friction and reduced welding performance, and it may nally lead into failure of ller wire
delivery.
If you mainly use aluminium or stainless steel ller wire, we recommend that you replace the
wire liner with a Kemppi plastic type, which is better suited for the material. For instructions
on how to change the wire liner, please refer to the Maintenance section later in this manual.
The gun neck can be rotated 360° to suit dierent welding positions. The neck is connected via
a standard clockwise screw thread. Always make sure that the neck is almost fully connected
to the bottom thread. This prevents damaging and overheating the neck.
NOTE! If you intend to use other than 0.8 mm diameter steel ller wire, change the welding gun
contact tip, gun liner, and drive roll to match the selected ller wire type and thickness.
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MinarcMig Evo 170, Evo 200
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