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8. Maintenance
Warning!
The following operation requires sufficient professional knowledge on
electric aspects and comprehensive safety knowledge. Make sure the input
cable of the machine is disconnected from the electricity supply and wait for
5 minutes before removing the machine covers.
Please note: The following should only be carried out by an authorised
electrical technician.
8.1. Power supply maintenance
In order to guarantee that the arc welding machine works efficiently and in safety, it must be
maintained regularly. Operators should understand the maintenance methods and means of
arc welding machine operation. This guide should enable customers to carry out simple
examination and safeguarding by oneself, try to reduce the fault rate and repair times of the
arc-welding machine, so as to lengthen service life of arc welding machines.
Period
Maintenance item
Daily examination
Check the condition of the machine, mains cables, welding cables and
connections.
Check for any warnings LEDs and machine operation.
Monthly
examination
Disconnect from the mains supply and wait for at least 5 minutes before
removing the cover. Check internal connections and tighten if required.
Clean the inside of the machine with a soft brush and vacuum cleaner.
Take care not to remove any cables or cause damage to components.
Ensure that ventilation grills are clear. Carefully replace the covers and
test the unit.
This work should be carried out by a suitably qualified competent
person.
Yearly examination Carry out an annual service to include a safety check in accordance
with the manufacturers standard (EN 60974-1).
This work should be carried out by a suitably qualified competent
person.
8.2. Welding torch maintenance
In TIG mode, the TIG welding torch is used to clamp the electrode, conduct electricity and
transport argon gas.
Regular maintenance of welding torch is one of the most important measures to ensure its
normal operation and improve its life. In order to ensure normal maintenance, the wearing