Power Source Operation - Cebora PLASMA PROF 80 Service Manual

CEBORA S.p.A.

3.2.2 - Power source operation.

System shut off and unplugged from the mains.
Connect the gas intake to the fitting (B) on the rear panel.
Turn the gas setting knob (E) to a pressure, as read on the pressure gauge (F), suited to the
type of torch being used (see Instruction Manual).
Connect the torch to the power source.
Connect the cable of the positive pole of the power source to the workpiece.
Connect the power source to the mains.
Close the switch (C) on the power source.
♦ System powered, fan (45) running.
♦ On the front panel, all leds are lit for one second (lamp-test), thereafter only led
(V) remains lit. Led (N) may be lit depending on the position of knob (M).
DURING THE FOLLOWING TESTS, DO NOT POINT THE TORCH AT PEOPLE OR
PARTS OF BODY, BUT ALWAYS TOWARDS AN OPEN SPACE OR THE WORKPIECE.
Briefly press the torch start button.
♦ Gas flows from the torch for approximately 40 seconds (maximum pre-gas time
without pilot arc). The pressure reading on the pressure gauge (F) remains
constant.
Press the start button and hold it down for approximately 5 seconds.
♦ Pilot arc lights for its maximum time (2 sec.). The gas continues to flow for
approximately 90 sec. more (post-gas time).
With pilot arc lit, place the torch near the workpiece.
♦ Begin cutting. Adjust the knob (M) to the current level suited to the kind of
cutting.
Release the torch start button.
♦ The arc shuts off immediately. The gas continues to flow for approximately 90
sec. more (post-gas time).
3.302.167
Correct?
YES
WARNING
Correct?
YES
Correct?
YES
Correct?
YES
Correct?
YES
REGULAR OPERATION.
NO (see 3.3.1, 3.3.2).
NO (see 3.3.3, 3.3.4).
NO (see 3.3.5, 3.3.6,
3.3.7, 3.3.8).
NO (see 3.3.9).
NO (see 3.3.4).
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25/06/04