Fronius MTG 400i K4, Operating Instructions Manual, Page: 28 / 148

Safety
Safety
WARNING!
Danger from incorrect operation and work that is not carried out properly.
This can result in severe personal injury and damage to property.
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All the work and functions described in this document must only be carried out by
trained and qualified personnel.
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Read and understand this document.
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Read and understand all the Operating Instructions for the system components,
especially the safety rules.
WARNING!
Danger from electrical current and danger of injury from emerging wire electrode.
This can result in severe personal injury and damage to property.
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Switch the power switch on the power source to - O -.
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Disconnect the power source from the grid.
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Ensure that the power source remains disconnected from the grid until all work is
complete.
WARNING!
Danger from electrical current.
This can result in severe personal injury and damage to property.
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All cables, leads, and hosepacks must always be securely connected, undamaged,
correctly insulated, and adequately sized.
CAUTION!
Burning hazard due to hot welding torch components and coolant.
Serious burns may result.
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Allow all welding torch components and the coolant to cool down to room tempera-
ture (+25 °C or +77 °F) before starting any of the work described in these Operating
Instructions.
CAUTION!
Risk of damage from operation without coolant.
Serious damage to property may result.
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Never use water-cooled welding torches without coolant.
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The manufacturer is not responsible for any damage resulting from improper use. All
warranty claims are considered void in such cases.
CAUTION!
Danger from coolant escaping.
This can result in severe personal injury and damage to property.
▶
When disconnecting a welding torch from the cooling unit or wirefeeder, always seal
the coolant hoses using the plastic seal attached to the torch.
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