51
EN
Start-up
Safety
WARNING!
Danger due to incorrect operation and incorrectly performed work.
This can result in severe personal injury and damage to property.
► All the functions described may only be used by trained and qualified personnel.
► Fully read and understand this document.
► Fully read and understand all the Operating Instructions for the system components, 
especially the safety rules.
Prerequisites When commissioning the wire-feed unit, the following requirements must be met:
- Wire-feed unit connected to the power source using the interconnecting hosepack
- Welding torch connected to the wire-feed unit
- Feed rollers inserted into the wire-feed unit
- Wirespool/basket-type spool with basket-type spool adapter inserted into wire-feed 
unit (not for WF 15i n.S.)
- Wire electrode threaded in
- Feed roller contact pressure set
- Brake set (not for WF 15i n.S.)
- All covers closed, all side panels in place, all protection devices intact and in their 
proper place
General The wire-feed unit is started by pressing the torch trigger (for manual applications) or by 
means of a welding start-up signal (for automatic applications).