Kemppi MinarcMig 180 Manuel utilisateur

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MinarcMig™ 180

191017210

0640

MinarcMig™ Adaptive 180

OPERATION INSTRUCTIONS

ENGLISH

MinarcMig™ Adaptive 180

2 © Kemppi Oy 0640

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 .............................................................7

3.4. FILLER WIRE ............................................................................10

3.4.1. Changing the feed roll groove ................................................10

3.4.2. Threading the ller wire .......................................................... 11

3.4.3. Reversing polarity ..................................................................12

3.5. CONTROLS AND INDICATOR LIGHTS ....................................13

3.5.1. Display in automatic mode .....................................................14

3.5.2. Welding power adjustment in automatic mode ....................... 15

3.5.3. Arc length trimmer in automatic mode ....................................15

3.5.4. Display in manual mode .........................................................16

3.5.5. Adjustments in manual mode .................................................17

3.6. THREADING THE SHOULDER STRAP .................................... 17

4. SERVICE ............................................................................18

4.1. DAILY MAINTENANCE ............................................................. 18

4.2. MAINTENANCE OF THE WIRE FEED MECHANISM ..............18

4.3. MACHINE DISPOSAL ...............................................................20

4.4. ORDERING NUMBERS.............................................................21

5. TROUBLESHOOTING........................................................22

6. TECHNICAL DATA .............................................................23

7. TERMS OF GUARANTEE .................................................24

MinarcMig™ Adaptive 180

1. INTRODUCTION

MinarcMig™Adaptive 180 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, efcient 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.

The machine has both an automatic and manul 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 according to the thickness

of the welded sheet. 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 a display which

also displays the welding current, welding voltage and wire feed speed.

You can also use steel wire (solid or cored wire), stainless steel wire or

aluminium wire as ller wire in the machine. The steel wire can be 0.6 mm,

0.8 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 and the aluminium wire 1.0 mm.

1.2. ABOUT WELDING

In addition to the welding machine, welding outcome is inuenced 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 ller 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 ow is possible when the earthing clamp

is properly attached to the workpiece and the xing 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. Pure carbon dioxide or a mixture of argon and carbon

dioxide is suitable for steel wire shielding gas. Argon + 2 % CO² mixture is

MinarcMig™ Adaptive 180

4 © Kemppi Oy 0640

suitable for stainless steel wires. Argon is suitable for welding aluminium

wires. Some ller wires form a shielding gas from the wire’s lling as it melts

thus eliminating the need for a separate shielding gas.

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 reecting 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 ller 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 classied as hot work, so pay attention to re safety

regulations. Protect the environment from welding spatters. Remove

inammable material, such as burning uids, from the vicinity of the welding

site and supply the site with adequate re-ghting equipment.

MinarcMig™ Adaptive 180

Take into account dangers caused by special workplaces, such as re risk and

danger of explosion, when welding container-like pieces.

NOTE! Fire caused by sparks may brake out even after several hours!

CAUTION! Welding in inammable 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 re.

• 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 sufcient. Take special precautions when welding

metals containing lead, cadmium, zinc, mercury or beryllium.

Supply of sufcient clean air can also be ensured with the use of a fresh air

mask.

MinarcMig™ Adaptive 180

6 © Kemppi Oy 0640

3. MACHINE USE

The machine is delivered ready for operation without adjustments with 0.8 mm

diameter ller wire.

If you use different thickness ller wire, make sure that the feed roll groove,

welding gun contact tip and machine polarity are suited for the used wire size

and type. If you mainly use aluminium or stainless steel wire, we recommend

you change the wire guide to a plastic one which is better suited for the wire

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 ow in the machine is unrestricted.

MinarcMig™ Adaptive 180

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 4.2 kVA, and the recommended power 8.0 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 x the earthing cable clamp to the piece in order to create a closed

and interference-free circuit needed for welding.

MinarcMig™ Adaptive 180

8 © Kemppi Oy 0640

Welding gun

The welding gun is already connected to the machine. The welding gun leads

the ller wire, shielding gas and electric current to the weld. When you press

the welding gun trigger, shielding gas ow and wire feed begin. The arc ignites,

when the ller wire touches the welded piece.

The factory-installed wire guide in the welding gun is best suited for steel

wire welding. However, it can temporarily be used for stainless steel wire

and aluminium wire welding. Then, however, friction is greater and thus the

wire feed may tangle. If you mainly use stainless steel or aluminium wire, we

recommend you change the wire guide to a plastic wire guide.

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 ller 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. Shielding gas for

stainless steel wires is a mixture of argon and carbon dioxide (2%) and argon

for aluminium wires. Thickness of the welded sheet and welding power dene

the ow 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.

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