97
Care, maintenance and disposal
Under normal operating conditions the power source requires only a minimum of care
and maintenance. However, it is vital to observe some important points to ensure the
welding system remains in a usable condition for many years.
General
When using water-cooled torches
- Check the water connections for leaks
- Monitor the coolant return amount in the coolant container
- If no coolant is returning, check the cooling unit and bleed if necessary
- Check mains plug, mains cable, orbital welding gun or welding torch, intercon-
necting hosepack and earthing (grounding) connection for damage
- Check that there is a gap of 0.5 m (1ft. 8in.) all around the device to ensure that
cooling air can ow and escape unhindered
Every start-up
DANGER!
Risk of death by dangerous voltage.
An electric shock can be fatal. Before opening the device
- Turn the mains switch to the „O“ position
- Disconnect the device from the mains
- Put up an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
- Using a suitable measuring instrument, check to make sure that electrically
charged components (e.g. capacitors) have been discharged
NOTE! Air inlets and outlets must never be covered, not even partially.
NOTE! If water-cooled torches are operated without coolant, this will
normally result in a fault in the torch body or hosepack. Fronius shall not be
liable for any damage resulting from such action. In addition, no warranty
claims will be entertained.
WARNING!
Risk of scalding from hot coolant.
The coolant heats up during extended operation. In case of contact burns to the
hands or other body parts may arise.
- Only check the water connec- tions once the coolant has cooled down.
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