Care, Maintenance And Disposal; General; Recognising Faulty Wearing Parts - Fronius MTG 250d Manual De Instrucciones

Care, maintenance and disposal

General

Regular preventive maintenance of the welding torch is essential for problem-free opera-
tion. The welding torch is subjected to high temperatures and heavy soiling. The welding
torch therefore requires more frequent maintenance than other components in the welding
system.
Recognising
1.
faulty wearing
parts
1.
2.
3.
4.
5.
48
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
NOTE!
When removing welding spatter, avoid
scoring or scratching the torch.
Future welding spatter may become firmly
lodged in score or scratch marks.
Do not bend the torch neck under any cir-
cumstances!
3. 4. 5.