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b. When you’ve completed the cutting process, turn off the torch; the plasma pilot arc will
stop.
2.2. Metal Mesh Cutting
a. Fix the work piece and connect the earth cable with the work piece.
b. Put the cutting nozzle onto the work piece, lift torch up slightly from the work piece and
turn on the switch to cut.
2.3. Notice while cutting
a. Unnecessary igniting of the pilot arc in the air will reduce the lifespan of the torch’s
electrode and nozzle.
b. It is best to start cutting at the edge of the work piece, unless you are piercing the work
piece.
c. Keep a space between the nozzle and the work piece. Pressing the nozzle on the work
piece could cause the nozzle to stick, reducing the smoothness of the cutting action
creating an undesirable result.
d. Keep the torch’s nozzle vertical against the work piece and watch to be sure the arc is
moving along the cutting line.
e. Do not rapidly switch the torch trigger on and off; this will damage the pilot arc system
and work piece.
f. The plasma cutter’s working air pressure range is 50-90psi. Notice: the internal pressure
switch will shut off when the air pressure falls below 50psi. The switch only works when
the pressure rises to 50psi or above.
g. Every 4-8 hours check the air filter on your air supply and remove excess moisture. Too
much moisture in the cutter or torch may lead to operational trouble.
Always unplug the power supply before checking for and removing moisture.
3. SAFETY REQUIREMENTS
a. Never allow the torch to be aimed at any part of a body.
b. Make sure to wear protective glasses and gloves while operating.
c. Work only in well-ventilated areas. If necessary, use exhaust/ventilation fans to keep fumes
or emissions away from the breathing zone.
d. Do not touch the work piece while cutting.
e. Do not cut pipes, containers, or other materials that contain, or have ever contained,
flammable or explosive materials.
f. Do not work underwater or in wet/moist environments.
g. Do not bend the torch cable sharply; this may damage the air hose.
h. Nobody other than the operator should be allowed to access the working area.
i. Always turn off the power supply prior to repairing or moving the machine.
j. Always turn off the power supply prior to repairing or installing any spare parts (e.g., torch,
electrode, nozzle, ground clamp, etc.).
k. Never allow a person with a cardiac pacemaker close to the working area without the
permission of a doctor. The magnetic field produced by plasma cutters during operation can
disrupt pacemakers and similar devices.
l. Do not allow the ground cable to be pinched or damaged. If damaged, replace immediately.
m. Never clean the slag off the torch head by hitting it against a hard object.
