Kemppi MinarcTig 180 Manuel utilisateur

MinarcMig Adaptive 180

Operating manual • English

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OPERATING MANUAL

English

MinarcMig 180 / © Kemppi Oy / 1117

CONTENTS

1. PREFACE.................................................................................................................3

1.1 General..........................................................................................................................3

1.2 Properties ...................................................................................................................3

1.3 About welding .........................................................................................................4

2. MACHINE USE .................................................................................................5

2.1 Before implementation ......................................................................................5

2.2 General view of the machine ...........................................................................6

2.3 Distribution network.............................................................................................6

2.4 Cable connections .................................................................................................6

2.5 Filler wire .....................................................................................................................9

2.5.1 Changing the feed roll groove .................................................................9

2.5.2 Threading the ller wire ..........................................................................10

2.5.3 Reversing polarity ......................................................................................11

2.6 Controls and indicator lights.........................................................................12

2.6.1 Display in automatic mode ....................................................................13

2.6.2 Welding power adjustment in automatic mode ............................14

2.6.3 Arc length trimmer in automatic mode ............................................14

2.6.4 Display in manual mode .........................................................................15

2.6.5 Adjustments in manual mode ..............................................................15

2.7 Threading the shoulder strap .......................................................................16

3. SERVICE ..............................................................................................................17

3.1 Daily maintenance .............................................................................................17

3.2 Maintenance of the wire feed mechanism ...........................................17

3.3 Disposal .....................................................................................................................19

4. TROUBLESHOOTING............................................................................19

5. ORDERING NUMBERS.........................................................................20

6. TECHNICAL DATA.....................................................................................21

MinarcMig 180 / © Kemppi Oy / 1117

1. PREFACE

1.1 GENERAL

Congratulations on choosing the MinarcMig equipment. Used correctly,

Kemppi products can signicantly 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 specications

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.

The specications presented in this manual are subject to change without

prior notice.

Important notes

Items in the manual that require particular attention in order to minimise

damage and personal harm are indicated with the ’NOTE!’ notation. Read

these sections carefully and follow their instructions.

1.2 PROPERTIES

MinarcMig Adaptive 180 is an easy-to-use MIG welding machine suitable

for both hobby and professional use. The welding machine is small, ecient

and extremely light. It is easy to carry with the help of a shoulder strap. The

machine is suitable for a range of dierent 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.

MinarcMig 180 / © Kemppi Oy / 1117

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.

1.3 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 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.

MinarcMig 180 / © Kemppi Oy / 1117

2. MACHINE USE

The machine is delivered ready for operation without adjustments with

0.8 mm diameter ller wire.

If you use dierent 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.

2.1 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 180 / © Kemppi Oy / 1117

2.2 GENERAL VIEW OF THE MACHINE

1. Welding gun

2. Earthing cable

3. Main switch

4. Supply voltage cable

5. Shielding gas hose connector

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.

WARNING: This equipment does not comply with IEC 61000-3-12. If it is

connected to a public low voltage system, it is the responsibility of the

installer or user of the equipment to ensure, by consultation with the

distribution network operator if necessary, that the equipment may be

connected.

2.4 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.

MinarcMig 180 / © Kemppi Oy / 1117

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.

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.

MinarcMig 180 / © Kemppi Oy / 1117

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.

1. Connect the hose to the gas bottle’s control valve and tighten the

connector.

2. Adjust the ow rate with the control valve screw. A suitable shielding gas

ow 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 180 / © Kemppi Oy / 1117

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