Product manual

Welding equipment
Maintenance
Underhåll-svetsutr_eng.fm 33
5 Maintenance
Disconnect the mains supply and (if possible) secure the switch before starting
work on the equipment.
In some cases however, it is necessary to work with the mains supply switched on,
special care and safe working methods must be used.
5.1 Wire feed unit
Make a visual inspection of the equipment and correct errors, if any, for reliable
operation.
1 Purge the inside of the feed unit as necessary by compressed air at reduced
pressure.
2 Clean the grooves in the feed rollers and the bore of the outlet nozzle.
3 The wire conduit should always be purged by compressed air when chang-
ing the wire and as necessary. When worn out change the wire conduit.
4 Use filler wire free of impurities.
5 The bearings of the motor and the gear box are permanently lubricated -
maintenance-free.
After maintenance (also installation and service) on the equipment, check the fol-
lowing before starting up:
• that no tools have been forgotten
• that fixtures and work piece are secured well
• that all parts and guards are replaced
• that functions are correct.
Note! Only use genuine spare parts and extra accessories recommended by
ABB.