Operation; Main Switch And Signal Lights; To Select Polarity For Welding; Changing The Polarity - Kemppi Kempact MIG 2530 Operating Manual

Do not use the whole contents of the bottle. Bottle should be filled when bottle pressure is
NOTE!
2 bar.
8. Open the needle valve if there is one in the regulator.
9. Turn the regulation screw (B) until the hose pressure meter (G) shows the required flow
(or pressure). When regulating the flow amount, the power source should be switched
on and the gun switch pressed simultanously.
Close the bottle valve after welding is finished. If the machine will not be in use for a long
NOTE!
time, unscrew the pressure regulation screw. Always fasten the gas ottle tightly in vertical position,
to a wall stand or bottle cart, specially designed for it. For safety reasons, always remove the gas
bottle from the transport stand of the machine before lifting of transport of the machine by car!
3.

OPERATION

3.1

Main switch and signal lights

With the switch in the 'I' position, the primary and control circuits of the machine become live
and the 'ON' signal light on the panel lights up. The welding circuit receives voltage when the
EN
gun switch is operated or when the wire feed test switch is pressed.
Always use the main switch to turn the machine on and off with the main switch; do not use
the power plug for this purpose.
3.2

To select polarity for welding

Solid wire is usually welded in + pole and cored wire in – pole gun. Check for the
recommended polarity on the package or consult the supplier of the product. The welding of
very thin plates (0.5 to 0.7 mm) – polarity might also work best for solid wire.

3.2.1 Changing the polarity

1. – pole
2. + pole
Only a service shop authorised by Kemppi may change the polarity.
NOTE!
8
Kempact MIG 2530
1.
2.