Cebora PLASMA PROF 164 HQC Service Manual page 15

CEBORA S.p.A.
Use the key (A) to select the TEST function, led (A3) lit, to set the "gas circuit seal test".
Use the knob (C) to set the "ALL" function visible on display (D), to set the test for all gas
circuits.
Press the key (I) to activate the Test.
♦ Display (F) reads "RUN" and display (M) indicates the type of gas in the circuit
being tested.
♦ The gas circuit "emptying" and "filling" procedure begins.
♦ Display (D) reads "T01" (test of circuit 1). After approximately 40 seconds
(duration of the seal test), if the result is negative the error code is displayed
("Err" on display (F) and "LO" on display (E)); if positive, display (D) reads
"T02" and the circuit 2 test begins. The sequence is repeated for the other circuits
until the end of the test, as shown on the displays (F) "OK" and (M) "GAS".
Press the key (A) to select the CUT function. Led (A1) lit.
Press the key (I) to exit the set-up menu (PREFLOW and CUTFLOW displays lit).
Press the start command very briefly.
♦ Gas escaping from the PREFLOW circuits from the torch for approximately 40
seconds. The pressure shown on the displays (G) and (H) remains constant.
Press the start command for approximately 5 seconds to turn on the pilot arc.
♦ Pilot arc starts for the maximum time (1 sec). Gas flows out continuously for
approximately 40 s after the start button is released.
Place the torch on a pantograph or in any case a piece of equipment that allows cutting tests.
Correctly adjust the position of the torch with respect to the workpiece (see Instruction
Manual).
Activate the start command.
♦ Begin cutting. Adjust the knob (I) on the Power Source to reach the current level
suited to the cutting to be done.
Remove the start command from pantograph.
♦ The arc shuts off immediately. Gas flows out continuously for approximately 40 s
after the arc is shut off.
3.302.218
Correct?
YES
Correct?
YES
Correct?
YES
Correct?
YES
Correct?
YES
REGULAR OPERATION.
NO (see 3.3.3, 3.3.5).
NO (see 3.3.4, 3.3.5).
NO (see 3.3.6, 3.3.7,
3.3.8, 3.3.9).
NO (see 3.3.10).
NO (see 3.3.5).
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9/8/2006