41
EN
M1.2.CUT80HFI.NLFREN 09102018
4�5 Replacement of electrode and nozzle
When the phenomena below occur, the electrode and nozzle should be replaced. Otherwise, there will be strong arc in
the nozzle, which will break down the electrode and the nozzle, or even burn the torch. Nozzles of different models are
different, so ensure the nozzle is of the same model when replacing it.
• Electrode wear >1.5 mm
• Distortion of the nozzle
•
Cutting speed declining, arc with green flame
•
Difficult in arc ignition
• Irregular cut
5 Maintenance
5�1 Daily maintenance
WARNING!
The power of the switching box and the cutting machine should be shut down before daily
checking (except appearance checking without contacting the conductive body) to avoid
personal injury accidents such as electric shock and burns�
Tips:
• Daily checking is very important in keeping the high performance and safe operation of this cutting machine.
• Do daily checking according to the table below, and clean or replace components when necessary.
• In order to ensure the high performance of the machine, please choose components provided or recommended by
the manufacturer when replacing components.
Daily checking of the cutting machine:
Items
Checking requirements
Remarks
Front panel
Whether any of the components are damaged or
loosely connected.
Whether the output quick sockets are tightened.
Whether the abnormity indicator illuminates.
If unqualified, check the interior of the
machine, and tighten or replace the
components.
Back panel
Whether the input power cable and buckle are in
good condition.
Whether the air intake is unobstructed.
Cover
Whether the bolts are loosely connected.
If unqualified, tighten or replace the
components.
Chassis
Whether the screws are loosely connected.
If unqualified, tighten or replace the
components.
Routine
Whether the machine enclosure has colour fading or
overheating problems.
Whether the fan sounds normal when the machine is
running.
Whether there is abnormal smell, abnormal vibration
or noise when the machine is running.
If abnormal, check the interior of the
machine.
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