Fronius MTG 250i Instructions De Service page 34

Risk of damage due to operation without coolant.
This can result in serious damage to property.
► Never operate a water-cooled welding torch without coolant.
► Fronius shall not be liable for any damage resulting from such action. In addition, no
Danger from coolant leakage.
This can result in serious injury and damage to property.
► Seal the coolant hoses on water-cooled welding torches with the plastic stoppers fitted
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CAUTION!
warranty claims will be entertained.
CAUTION!
to them if the hoses are detached from the cooling unit or the wirefeeder.