Service, Maintenance And Disposal; General; Identifying Defective Wearing Parts - Fronius MTG 270i Operating Instructions Manual

Service, maintenance and disposal

General

Regular and preventive maintenance of the welding torch are important factors in achie-
ving problem-free operation. The welding torch is subjected to high temperatures and
high levels of soiling. This is why the welding torch needs more frequent maintenance
than other components of the welding system.
Identifying defec-
1.
tive wearing parts
1.
2.
3.
4.
5.
2.
Insulating parts
- Burnt outer edges, notches
Nozzle fittings
- Burnt outer edges, notches
- Heavily coated with welding spatter
Spatter guard (only for water-cooled welding torches)
- Burnt outer edges, notches
Contact tips
- Ground (oval) wire entry and wire exit bores
- Heavily coated with welding spatter
- Penetration at the tip of the contact tip
Gas nozzles
- Heavily coated with welding spatter
- Burnt outer edges
- Notches
NOTE!
Avoid scoring and scratches when
removing welding spatter,
because welding spatter that develops in
continued operation could permanently
solidify therein.
Do not bend the torch body under any cir-
cumstances!
3. 4. 5.
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