Fronius MTB 330i G R Manual De Instrucciones página 36

Care, maintenance and disposal
General Under normal operating conditions, the device requires only a minimum of care and main-
tenance. However, it is vital to observe some important points to ensure the welding sys-
tem remains in a usable condition for many years.
Recognising
1.
faulty wearing
parts
1.
2.
3.
4.
5.
Cleaning the
1
1
welding torch
36
2.
Insulating parts
– Burned-off outside edges, notches
Nozzle fittings
– Burned-off outside edges, notches
– Heavily covered in welding spatter
Spatter guard
– Burned-off outside edges, notches
Contact tips
– Worn-out (oval) wire entry and wire exit holes
– Heavily covered in welding spatter
– Fusion penetration on the tip of the contact tube
Gas nozzles
– Heavily covered in welding spatter
– Burned-off outside edges
– Notches
3. 4.
2
2
5.