Kemppi FitWeld 300 User manual

Operating manual
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Manual de utilização
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FitWeld
300

OPERATING MANUAL
English

EN
CONTENTS
1. Introduction................................................................................... 3
1.1 General ....................................................................................................................................... 3
1.2 About welding......................................................................................................................... 3
2. Using the machine......................................................................... 4
2.1 Before use.................................................................................................................................. 4
2.2 Machine introduction........................................................................................................... 4
2.3 Distribution network............................................................................................................. 4
2.4 Connecting cables ................................................................................................................. 4
2.4.1 Connecting to mains ....................................................................................................... 5
2.4.2 Earth return cable ............................................................................................................ 5
2.4.3 Shielding gas.................................................................................................................... 5
2.4.4 Welding gun..................................................................................................................... 6
2.5 Installing ller wire................................................................................................................. 6
2.5.1 Mounting the wire spool................................................................................................. 6
2.5.2 Feeding in the welding wire ........................................................................................... 7
2.5.3 Setting the pressure of the feed rolls ............................................................................. 7
2.5.4 Setting the spool brake force.......................................................................................... 8
2.5.5 Changing the feed rolls................................................................................................... 9
2.6 Controlling welding functions ........................................................................................10
2.6.1 Control panel functions.................................................................................................10
2.6.2 Controls inside the machine.........................................................................................10
2.6.3 Selecting the gun operating mode ..............................................................................11
2.6.4 Adjusting the shielding gas ow..................................................................................11
2.6.5 Reversing polarity..........................................................................................................12
2.7 Troubleshooting ...................................................................................................................13
3. Maintenance................................................................................ 14
3.1 Daily maintenance ...............................................................................................................14
3.2 Maintenance of the wire feed mechanism.................................................................14
3.2.1 Cleaning the gun wire liner ..........................................................................................14
3.2.2 Replacing the wire liner.................................................................................................14
3.3 Disposal....................................................................................................................................14
4. Ordering codes............................................................................ 15
5. Technical data.............................................................................. 15
FitWeld 300
2

EN
1. INTRODUCTION
1.1 General
Congratulations on choosing the FitWeld welding machine. Used correctly Kemppi welding
machines can increase your productivity and provide years of economical service.
This user manual contains important information on the use, maintenance and safety of your
Kemppi product. The technical specications of the device can be found at the end of the
manual. Please read the operating manual and the safety instructions booklet carefully before
using the equipment for the rst time. For your 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.
NOTE! Items in the manual that require particular attention in order to minimise damage and
personal harm are indicated with this symbol. 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.
1.2 About welding
FitWeld 300 is suitable for many MIG/MAG welding applications, but its quick ignition and
high eciency make it especially fast, safe and economic for tack welding of steel materials. It
can be used for welding with ferrous, stainless steel and aluminium ller materials.
FitWeld 300 is designed for use in demanding environments. It has wire feed cabinet
illumination to facilitate wire adjustment in dark conditions, and its case is made of reinforced
bre plastic.
Tack welding with the MIG/MAG process
Tack welding is used during the fabrication and tting process, using spot-like welds to
establish the joints before primary welding.
Using MIG/MAG process for tack welding makes this phase fast and ecient. It is also a safer
compared to traditional MMA tack welding.
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© Kemppi Oy / 1202