Kemppi FastMig MF 29 Bedienungsanleitung

FastMig

MF 29

Operating manual

Käyttöohje

Bruksanvisning

Brugsanvisning

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Gebruiksaanwijzing

Manuel d’utilisation

Manual de instrucciones

Instrukcja obsługi

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Manual de utilização

Manuale d’uso

OPERATING MANUAL

English

CONTENTS

1. Preface .......................................................................................... 3

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

2. Product introduction................................................................... 4

2.1 Operation control and connectors .................................................................................. 4

2.2 Connection of system........................................................................................................... 5

2.3 DuraTorque™ 400, 4 wheel wire feed mechanism..................................................... 6

3. Installation ................................................................................... 7

3.1 Assembly of mig system...................................................................................................... 7

3.2 Mounting of MIG welding gun.......................................................................................... 7

3.3 Mounting and locking of wire spool............................................................................... 7

3.4 Automatic wire feed to gun................................................................................................ 7

3.5 Adjustment of pressure........................................................................................................ 8

3.6 Adjustment of tightness of spool brake ........................................................................ 8

3.7 Burn back time ........................................................................................................................ 8

3.8 Ground cable............................................................................................................................ 8

3.9 Shielding gas............................................................................................................................ 8

3.9.1 Installing gas cylinder...................................................................................................... 9

3.10 Main switch I/O ....................................................................................................................... 9

3.11 Operation of cooling unit, FastCool 10 ........................................................................10

3.12 Hanging....................................................................................................................................10

4. Service, operation disturbances .............................................. 10

5. Maintenance .............................................................................. 11

5.1 Daily maintenance...............................................................................................................11

5.2 Service shop maintenance ...............................................................................................11

5.2.1 disposal of the machine................................................................................................11

6. Ordering numbers..................................................................... 12

7. Technical data ............................................................................ 13

FastMig MF 29

1. PREFACE

1.1 General

Congratulations on choosing the FastMig 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.

Disclaimer

While every eort 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 specication 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.

2. PRODUCT INTRODUCTION

FastMig MF is basic wire feeder designed for demanding enviroment. It can be used with

Kemppi's basic FastMig power sources KM 300, KM 400, and KM 500.

2.1 Operation control and connectors

1. 3.

1. Control panel

2. Welding gun EURO connector

3. Connection for control cable

4. Shielding gas connection

5. Welding current cable connector

6. Lead-in of cooling liquid hoses

MIN MAX MAXMIN

W001320

1. Selection of gun operating mode

2. Adjustment of wire feed speed

3. Adjustment of welding voltage

FastMig MF 29

2.2 Connection of system

2.3 DuraTorque™ 400, 4 wheel wire feed mechanism

Wire guide tubes

Ss, Al, Fe,

Mc, Fc

ø 0.6 ... 1.6 mm ø 2.5/64 mm,

W000762,

silver, plastic

ø 2.5/33 mm,

W000956,

silver, plastic

ø 2.0 mm,

W000624,

plastic

ø 1.6 ... 2.4 mm ø 3.5/64 mm,

W001430,

silver, plastic

ø 3.5/33 mm,

W001431,

silver, plastic

ø 3.5 mm,

W001389,

plastic

Fe, Mc, Fc ø 0.6 ... 0.8 mm ø 1.0/67 mm,

W001432,

white, steel

ø 2.0/33 mm,

W001435,

orange, steel

ø 2.0 mm,

W000624,

plastic

ø 0.9 ... 1.6 mm ø 2.0/64 mm,

W001433,

orange, steel

ø 3.5 mm,

W001389,

plastic

ø 1.6 ... 2.4 mm ø 4.0/63 mm,

W001434,

blue, steel

ø 4.0/33 mm,

W001436,

blue, steel

ø 3.5 mm,

W001391,

brass

24.8.2005 12:55

Wire feed rolls

ø mm colour drawing pressing

Fe, Ss, Al,

V-groove

0.6 pale grey W001045 W001046

0.8/0.9 white W001047 W001048

1.0 red W000675 W000676

1.2 orange W000960 W000961

1.4 brown W001049 W001050

1.6 yellow W001051 W001052

2.0 grey W001053 W001054

2.4 black W001055 W001056

Fe, Fc, Mc,

knurled

1.0 red W001057 W001058

1.2 orange W001059 W001060

1.4/1.6 yellow W001061 W001062

2.0 grey W001063 W001064

2.4 black W001065 W001066

Fe, Fc, Mc,

Ss, Al,

U-groove

1.0 red W001067 W001068

1.2 orange W001069 W001070

1.6 yellow W001071 W001072

FastMig MF 29

3. INSTALLATION

3.1 Assembly of mig system

Assemble the units in order mentioned below and follow mounting and operation

instructions which are delivered in packages.

Installation of power source

Read paragraph: ”Installation”in operation instructions for FastMig power sources and carry

out the installation according to that.

Mounting of KM power sources to transport wagon

Read and follow the instructions given in the transport cart installation/assembly manual

Connecting cables

Connect the cables in accordance with the equipment notes provided.

The polarity of the welding wire (+ or -) can be changed by replacing the MF welding current

cable and return current cable with the FastMig™ power source welding cable connector.

Mounting of FastMig wire feed units to boom

NOTE! Wire feed unit must be mounted to boom in such a way that its chassis is galvanic separated

both from swing arm and boom.

Suspension angle of wire feed unit can be changed by moving xing point in handle.

3.2 Mounting of MIG welding gun

In order to ensure trouble-free welding check in operation instructions of gun used by you

that wire guide tube and contact tip of gun are according to manufacturer’s recommendation

suitable to be used for wire feed diameter and type in question. To tight a wire guide tube

might cause for wire feed unit a bigger stress than normally as well as disturbances in wire

feed.

Screw snap connector of gun tight that there won’t come any voltage losses on connecting

surface. A loose connection will heat gun and wire feed unit and feeder.

3.3 Mounting and locking of wire spool

• Release the locking nut (A)!

• Mount the spool at its place. Note rotating direction of spool

• Lock the spool with locking nut..

NOTE! Check that in ller wire spool there are no parts sticking out, which could e.g. chafe against

chassis or door of wire feed unit. Dragging parts might expose chassis of wire feed unit under

voltage.

3.4 Automatic wire feed to gun

Automatic wire feed makes change of wire spool more rapid. In spool change the pressure of

feed rolls need not to be released and ller wire goes automatically to correct wire line.

• Make sure that groove of feed roll matches the diameter of welding wire used.

• Release the wire end from spool and cut o the bent length. Be careful that the wire

does not spill from the spool to sides!

• Straighten about 20 cm of the wire and see that the end of it has no sharp edges (le

o if necessary). A sharp edge may damage the wire guide tube and contact tip of the

welding gun.

• Draw a bit of loose wire from wire spool. Feed wire through back liner to feed rolls. Do

not release pressure of feed rolls!

• Press the gun switch and feed wire until wire goes through feed rolls to gun. See that

wire is in grooves of both feed roll pairs!

• Press still the gun switch until wire has come through contact tip.

Automatic feed may sometimes fail with thin wires (Fe, Fc, Ss: 0,6 – 0,8 mm, Al: 0,8 – 1,0 mm).

In that case you might have to open feed rolls and feed wire manually through feed rolls.

3.5 Adjustment of pressure

Adjust the pressure of feed rolls with the control screw (20) so that the wire is fed into the wire

guide tube evenly and allows a little braking when coming out from the contact tip without

slipping at the feed rolls.

NOTE! Excessive pressure causes attening of the ller wire and damage to the coating. It also

causes undue wear of the feed rolls as well as friction.

3.6 Adjustment of tightness of spool brake

Brake force is adjusted by screwing the adjusting nut (B), tightening clockwise direction.

Adjust brake force as so big that the wire is not allowed to become too loose on the spool so

that it would spill from the spool when the rotation of the spool stops. Need for brake force is

increased with increase of wire feed speed.

Since the brake loads for its part the motor, you shouldn’t keep it unnecessarily tight.

3.7 Burn back time

Electronics of feed unit controls stopping of welding automatically so that the wire end

doesn’t melt fastened to the contact tip or the work piece. Automatics work regardless of the

wire feed speed. Can be adjusted also from power source SETUP-menu ('PoC').

3.8 Ground cable

Connecting of earth cable should be preferably connected directly to the welding material.

Contact surface of press always should be as large as possible.

Clean the fastening surface from paint and rust!

Use in your MIG equipment at least 70 mm². Thinner cross-sectional areas might cause

overheating of connectors and insulations.

Make sure that the welding gun in your use is designed for max. welding current needed by

you!

NOTE! Never use a damaged welding gun!

3.9 Shielding gas

NOTE! Handle gas cylinder with care. There is a risk for injury if the cylinder or its valve is damaged!

For welding stainless steels, mixed gases are normally used. Check that the gas cylinder valve

is suitable for the gas. The ow rate is set according to the welding power used in the job. A

suitable ow rate is normally 8 – 10 l/min. If the gas ow is not suitable, the welded joint will

be sporous. Contact your local Kemppi-dealer for choosing gas and equipment.

FastMig MF 29

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