Kemppi MF 33 Bedienungsanleitung

FastMig

MF 33

Operating manual

Käyttöohje

Bruksanvisning

Brugsanvisning

Gebrauchsanweisung

Gebruiksaanwijzing

Manuel d’utilisation

Manual de instrucciones

Instrukcja obsługi

Инструкции по эксплуатации

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 4-roll wire feed mechanism................................................................................................ 6

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

3.1 Assembly of MIG/MAG 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................................................................................................ 8

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 Shield gas .................................................................................................................................. 9

3.9.1 Installing gas bottle......................................................................................................... 9

3.10 Main switch I/O .....................................................................................................................10

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

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

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

5. Disposal of the machine............................................................ 10

6. Ordering numbers..................................................................... 11

7. Technical data ............................................................................ 12

FastMig MF 33

1. PREFACE

1.1 General

Congratulations on choosing the FastMig MF 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. Operation panel

2. Connection of welding gun EURO

3. Lead-in and clamping of cooling liquid

hoses

4. Shielding gas connection

5. Connection for control cable

6. Welding current cable connection

MIN MAX MAXMIN

W001320

1. Selection of gun switch function

2. Adjustment of wire feed speed

3. Adjustment of welding voltage

FastMig MF 33

2.2 Connection of system

2.3 4-roll wire feed mechanism

Wire ø, mm Wire guide tube ø, mm

Fe,

Mc,

0,6...0,8 white

1,0 mm

3134140

orange

2,0 mm

3134120

plastic

2,0 mm

4267220

yellow

2,4 mm

4268210

plastic

2,0 mm

4266970

for Promig 511

0,9...1,6 orange

2,0 mm

3133700

plastic

4,0 mm

4270180

1,6...2,4 blue

4,0 mm

3134130

blue

4,0 mm

3134110

brass

4,0 mm

4267030

Ss,

0,8...1,6 silver

2,5 mm

3134290

silver

2,5 mm

3134300

plastic

2,0 mm

4267220

yellow

3,0 mm

4268560

1,6...2,4 yellow

3,0 mm

3134710

yellow

3,0 mm

3134720

plastic

4,0 mm

4270180

Feed rolls, 4-rolls

Colour ø, mm

Fe, Ss, Al

Plain, V-groove

white 0,6/0,8 3133810

white 0,8/0,8 (L) 3143180

red 1,0/1,2 3133210

red 1,0/1,0 (L) 3138650

orange 1,2/1,2(L) 3137390

yellow 1,4-1,6/2,0 3133820 Feed roll groove selection

yellow 1,6/1,6 (L) 3141120

black 2,4 3133880

blue 3,2 3133910

Fe, Fc, Mc

Knurled,

V-groove

red 1,0/1,2 3133940

orange 1,2/1,2 (L) 3137380

yellow 1,4-1,6/2,0 3133990

yellow 1,6/1,6 (L) 3141130

black 2,4 3134030

blue 3,2 3134060 Transfer of gear wheel selector plate

Fe, Fc, Mc,

Ss, Al

Trapetsoid

groove

orange 1,2/1,2 (L) 3142210 Gear wheel

brown 1,4/1,4 (L) 3142220 ø 28 mm (0–18 m/min) 4265240 plastic

yellow 1,6/1,6 (L) 3142200 ø 28 mm (0–18 m/min) 4287860 steel

grey 2,0/2,0 (L) 3142230 ø 40 mm (0–25 m/min) 4265250 plastic

black 2,4 (L) 3142240 ø 40 mm (0–25 m/min) 4297270 steel

(L) = Fitted with ball bearings

FastMig MF 33

3. INSTALLATION

3.1 Assembly of MIG/MAG 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

Mounting the FastMig MF on to the power source

Screw the fastening pivot on the power source. Lift the wire feeder on fastening pivot.

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

LOCKED OPEN

• Release locking nails of wire spool hub by turning locking knob a quarter round.

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

• Lock the spool with locking knob, locking nails of hub remain to outside position and

will lock the spool.

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.

FastMig MF wire feed units:

• 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 a bit 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 through hole in locking device of spool hub by screwing the control

screw (A) with screwdriver.

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!

FastMig MF 33

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