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Care, maintenance and disposal
Safety
Work that is carried out incorrectly may result in serious injury or damage to prop-
erty.
► The activities described below must only be carried out by trained and qualified per-
► Observe the safety rules in the power source Operating Instructions.
An electric shock can be fatal.
Before opening the unit
► Turn the mains switch to the "O" position
► Unplug the device from the mains
► Put up an easy-to-understand warning sign to stop anybody inadvertently switching it
► Using a suitable measuring device, check to make sure that electrically charged com-
An inadequate ground conductor connection can cause serious injury or damage.
The housing screws provide a suitable ground conductor connection for earthing the hous-
ing.
► The housing screws must NOT be replaced by any other screws that do not provide a
General
Under normal operating conditions, the device requires only a minimum of care and main-
tenance. However, it is vital to observe some important points to ensure the device remains
in a usable condition for many years.
Every start-up
-
-
NOTE!
Air inlets and outlets must never be covered, not even partially.
Every 2 months
-
WARNING!
sonnel.
WARNING!
back on again
ponents (e.g. capacitors) have discharged
WARNING!
reliable ground conductor connection.
Check mains plug, mains cable, welding torch, welding cable and grounding (earthing)
connection for damage
Check that there is an all-round clearance of 0.5 m (1 ft. 8 in.) around the device to
ensure that cooling air can flow and escape unhindered
Clean the air filter (if fitted)
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