Fronius MHP 280i G PM Operating Instructions Manual page 46

Welding torch components and coolant that have become hot through use can
cause severe burns.
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Risk of injury and damage from loose connections.
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Risk of injury from moving parts.
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NOTE!
Never operate a water-cooled welding torch without coolant.
Fronius shall not be liable for any damage resulting from such action. In addition, no war-
ranty claims will be entertained.
46
CAUTION!
Before commencing any of the work described in these Operating Instructions, allow
all welding torch components and the coolant to cool to room temperature (+25 °C,
+77 °F).
CAUTION!
All cables, lines and hosepacks must be properly connected, undamaged, correctly
insulated and adequately dimensioned at all times.
CAUTION!
Close the cover over the feed rollers before using the welding torch.