MULTICUTTER MC40
8
Nozzle C should be replaced when its central hole is damaged or enlarged with respect to the new
part (see picture 13).
Use of worn electrode quickly wears out the nozzle.
Excessive use of electrode causes overheating and reduces the life of diffuser B.
Make sure that after replacing it, nozzle D is tight enough.
ATTENTION! Nozzle holder D should be only screwed on head when electrode A diffuser B
and nozzle C are assembled.
safety.
MAINTENANCE AND CONTROL
It is recommended to keep nozzle free from slag.
Avoid using sharpened bodies thus avoiding damaging the nozzle hole.
Even if the unit is provided with an automatic device for water discharge, working whenever air feed
is closed, it is recommended to check from time to time that no water remains in trap I of reducer
(picture 1).
It is required to clean from time to time the unit inside and make it free from metal dust by means of
compressed air.
Operations to be carried out inside the unit must be effected after disconnecting feed cable.
BASIC SAFETY PRECAUTIONS
ELECTRIC SHOCK
Electric shock can kill. All electric shocks are potentially fatal.
This plasma cutter requires high voltages for arc spark starting (approx. 250 / 350 V). The following
safety rules must be therefore observed when using the unit:
Do not touch live parts.
Insulate yourselves from the piece to be cut and from earth by wearing insulating gloves and
clothing
Keep your clothing (gloves, shoes, hats, dresses) and body dry
Do not work in humid or wet areas.
Avoid touching or holding by hand the piece to be cut.
Always arrange for a proper insulation against electric shock.
Should you work close to or in a dangerous area use all possible precautions.
If you feel even the slightest electric shock sensation, stop cutting at once. Do not use the machine
until the problem is identified and solved.
Always fit an automatic wall switch with adequate power. if possible close to the machine so as to
immediately switch the unit off in an emergency event.
Check often mains cable, torch cable, earth cable and torch.
Never use the unit when one of them is damaged. Replace them immediately.
Disconnect mains cable from mains before replacing cables or before removing unit covers.
Always switch the unit off or disconnect it before replacing nozzle, swirl ring, electrode or nozzle
holder.
Do not use the unit without protecting covers.
Always replace any damaged parts of the unit, torch and
cables with original material.
Never remove torch or unit safety devices.
