© COPYRIGHT KEMPPI OY
Minarc/0244 – 3
1. INTRODUCTION
1.1. FOR THE READER
Congratulations on having purchased a KEMPPI product. Properly installed and used
KEMPPI products should prove to be productive machines requiring only a small
amount of regular maintenance.
This manual is arranged to give you a good understanding of the equipment and its safe
use. There is also information on both servicing the unit and its technical information
in the end of the booklet. Read the instructions before taking the machine into use or
servicing it for the fi rst time. Additional information on Kemppi products and their use
can be obtained from Kemppi or a Kemppi dealer.
Kemppi reserves the right to make changes in technical data, printed on these instruc-
tions.
In this document, where ever there exists a danger to life or injury the following symbol
is used:
Read the warnings carefully and follow the instructions. Please also study the operation
safety instructions and respect them when installing, operating and servicing the
machine.
1.2. PRODUCT PRESENTATION
Kemppi Minarc is a manual metal arc welding machine, small in size, suitable for
industry, site and repair welding. The unit uses a one phase connection voltage and it is
manufactured in two different welding power sizes 110 A and 140 A.
Minarc tolerates a great fl uctuation of input voltage and there-fore is thus suitable for
work on sites using generator as well as to be used with long power cables. Inverter
technology has been used when designing the unit. Power regulation in power source
is done with IGBT transistors. Welding and earth cables are supplied with the unit.
They are equipped with suitable connections for the unit electrode holder, earth clamps
and connections.
Minarc can also be used for TIG welding. TIG arc is started by scratching. Ordering
numbers of additional equipment for TIG welding can be found in chapter 4.2. Ordering
numbers.
1.3. SAFETY PRECAUTIONS
Read the warning texts carefully and follow the instructions.
Arc and welding spatter
Arc and the refl ected radiation from it can damage unprotected eyes. Shield your eyes
and protect your surroundings appropriately, before you start welding. Arc and welding
spatter will burn unprotected skin. When welding – use protective gloves and clothing.
Danger of fi re and explosion
Observe the fi re safety instructions. Remove fl ammable material near the place where
you will weld. Have necessary fi re extinguishing equipment at hand when you weld.
Note dangers caused by special jobs, such as risk of fi re and explosion when welding
tanks. Note! Sparks may ignite fi re even hours later!
Welding is working with fi re, note special instructions for such work.
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