Kemppi MinarcMig Adaptive 150 Manuel utilisateur

Operation instructions • English

Gebrauchsanweisung • Deutsch

Gebruiksaanwijzing • Nederlands

Manuel d’utilisation • Français

1910170E

0550

MinarcMig™ Adaptive 150

OPERATION INSTRUCTIONS

ENGLISH

MinarcMig™ Adaptive 150
© Kemppi Oy 0550
EN
CONTENTS
INTRODUCTION  ..................................................................3
1. PROPERTIES  .............................................................................3
2. ABOUT WELDING  ...................................................................... 3
SAFETY INSTRUCTIONS  ...................................................4
1. USE OF PROTECTIVE ACCESSORIES  ....................................4
2. SAFE USE OF THE WELDING GUN  .......................................... 4
3. FIRE SAFETY  .............................................................................4
4. SUPPLY VOLTAGE  .....................................................................5
5. WELDING CIRCUIT  ....................................................................5
6. WELDING FUMES  ......................................................................5
MACHINE USE  ....................................................................6
1. BEFORE IMPLEMENTATION  ..................................................... 6
2. GENERAL VIEW OF THE MACHINE  ......................................... 7
3. CABLE CONNECTIONS Connection to the mains  .....................7
4. FILLER WIRE  ..............................................................................9
4.1. Changing the feed roll groove  ..................................................9
4.2. Threading the ﬁller wire  ..........................................................10
4.3. Reversing polarity  .................................................................. 11
5. CONTROLS AND INDICATOR LIGHTS .................................... 12
5.1. Welding power adjustment  .....................................................13
5.2. Arc length trimmer  .................................................................. 13
6. THREADING THE SHOULDER STRAP .................................... 14
SERVICE  ............................................................................14
1. DAILY MAINTENANCE  ............................................................. 15
2. MAINTENANCE OF THE WIRE FEED MECHANISM  .............. 15
3. MACHINE DISPOSAL  ............................................................... 16
4. ORDERING NUMBERS ............................................................. 17
TROUBLESHOOTING ........................................................18
TECHNICAL DATA .............................................................19
TERMS OF GUARANTEE  .................................................20

MinarcMig™ Adaptive 150

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

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

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

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

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

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

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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