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Care, maintenance and disposal
General 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 it remains in
a usable condition for many years.
Safety
At every start-up - Check mains plug, mains cable, welding torch, interconnecting hosepack and ground-
ing (earthing) connection for damage
- Check that there is a gap of 0.5 m (1 ft. 8 in.) all around the device to ensure that cool-
ing air can flow and escape unhindered
Every 2 months - If present: clean air filter
Every 6 months - Dismantle device side panels and clean inside of device with dry reduced compressed
air
- If a lot of dust has accumulated, clean the cooling air ducts.
WARNING! Work that is carried out incorrectly can cause serious injury or dam-
age. All the work described below must only be carried out by trained and quali-
fied personnel. Do not carry out any of the work described below until you have
fully read and understood the following documents:
- this document
- all documents relating to the system components, especially the safety rules
WARNING! An electric shock can be fatal. Before starting the work described be-
low:
- turn the power source mains switch to the "O" position
- disconnect the power source from the mains
- ensure that the power source remains disconnected from the mains until all
work has been completed
After opening the device, use a suitable measuring instrument to check that elec-
trically charged components (e.g. capacitors) have been discharged.
WARNING! An inadequate ground conductor connection can cause serious inju-
ry or damage. The housing screws provide a suitable ground conductor connec-
tion for earthing the housing and must NOT be replaced by any other screws that
do not provide a reliable ground conductor connection.
NOTE! Air inlets and outlets must never be covered, not even partially.
NOTE! Risk of damage to electronic components. Do not bring air nozzle too
close to electronic components.
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