Maintenance; Periodic Inspection, Cleaning; Operating Sequence - Cebora PLASMA PROF 162 Service Manual

CEBORA S.p.A.

3 - MAINTENANCE

ANY INTERNAL INSPECTIONS OR REPAIRS MUST BE CARRIED OUT BY QUALIFIED
BEFORE BEGINNING MAINTENANCE OPERATIONS, UNPLUG THE MACHINE FROM
THE MAINS AND WAIT FOR THE INTERNAL CAPACITORS TO DISCHARGE (2

3.1 - Periodic inspection, cleaning.

Periodically remove dirt and dust from the internal parts of the power source, using a jet of
low-pressure dry compressed air or a brush.
Check the condition of the output terminals and output and power supply cables of the power
source; replace if damaged.
Check the condition of the internal power connections and connectors on the electronic
boards; if you find "loose" connections, tighten or replace the connectors.

3.2 - Operating sequence.

The following sequence represents correct functioning of the machine. It may be used as a
guiding procedure for troubleshooting.
It must be carried out after each repair without any errors.
For references to the components mentioned, see fig. 3.2.1.
Operations preceded by this symbol refer to operation actions.
q
♦ Operations preceded by this symbol refer to machine responses that must occur following an
operator action.
System shut off and disconnected from the mains.
q
Connect the gas intake to the fitting (I) on the rear panel.
q
Connect the torch to the power source.
q
With the CP200 torch, connect the hoses of the cooling circuit to the torch.
q
With the CP200 torch, connect the hoses of the cooling unit to the power source.
q
Connect the cable of the positive pole of the power source to the workpiece.
q
Connect the power source to the mains.
q
Close the switch (A) on the power source.
q
♦ System powered, fan running, lamp (B) lit.
♦ All indicators on operator panel lit for one second (lamp-test).
♦ Display (X) shows the software version installed (self-test) for two seconds,
followed by the current value programmed by the knob (Z).
♦ Display (Y) indicates the diameter of the gas nozzle hole.
♦ LEDs (T) and (U) indicate the type of torch connected to the power source.
♦ With torch CP200, the LED (V) flashes for the first 15 seconds. During this time,
the liquid circulates in the hoses and torch.
3.302.002
WARNINGS
PERSONNEL.
MINUTES)
NOTE
Correct?
YES
NO (see 3.3.1., 3.3.2. and 3.3.3).
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03/08/00