conMIG 300
Operating manual
Page 34
32. Maintenance and safety check
Disconnect mains prior to any service and maintenance work!
The welding unit is, on principle, maintenance-free. However, make it a rule to carry out the following work:
Clean current contact tip and gas nozzle regularly, removing welding spatter and other impurities. Add Anti-Stick
agent on nozzles after cleaning to reduce undesirable spatter adhesion.
Check current contact tip regularly for wear or damage, replace in time.
Clean the welding unit by air-blasting from inside according to pollution level.
Attention:
This Welding unit has to be safety checked every year by JÄCKLE Company or another special qualified
electrician according to the harmonized standard
IEC 60974 – 4
Safety, maintenance and inspection of arc welding equipment in use
33. Overtemperature
When the machine is getting hot during welding, it switched off and it can not be welded, until the machine is
cooled.
In overtemperature conditions the following text appears in the displays:
t°C - 03 - hot
t°C = hot = temperature to high
