10 • Maintenance and servicing
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3. In the test program (see picture above
1
) perform the following set-
tings for the APC socket sealed with the pressure gauge. In the pic-
ture above a test is being conducted on socket 1:
– Input valve (valve input 1) -> ------ (gas flow allowed)
– Output valve (valve output 1) -> ------ (gas flow allowed)
4. Proportional valve (P. valve (analog)) -> 100 (open to maximum). To
do so:
– Press the selection button next to the P. valve (analog) repeatedly
until the red value is shown (red = value can be modified).
– Set the red value to 100 using the up and down buttons.
– Press the selection button next to the P. valve (analog) again
repeatedly until the black value is shown (black = value has been
confirmed).
5. Close the argon gas bottle valve. The test specimen does not leak if
the input pressure that can be read off the pressure gauge of the
pressure regulator does not drop noticeably within 5 minutes.
Purge function
Testing and measuring equipment
Test setup
• The test specimen is connected to the power supply via a VIO electro-
surgical unit.
• The argon gas bottle is connected to the test specimen.
• With APC socket: The VIO APC handpiece is electrically connected to
the APC socket.
• With FiAPC socket: The Test adapter FiAPC is connected to the FiAPC
socket.
1. With this picture the "TP valves (APC)" test program is displayed on a VIO D unit. The same test pro-
gram is displayed in a slightly different way if it is called up on a VIO S unit. However, the designa-
tions and symbols (e.g. for valve closed) are always the same.
IMPORTANT! For this test only Erbe pressure reducers may be used. For article num-
bers see chapter "Testing and measuring equipment".
Erbe Art. No. Description
20134-XXX
1
1. Depending on the bottle connection.
Pressure regulator
20132-200 VIO APC handle
– Argon gas bottle
20100-175 FiAPC test adapter (only if a FiAPC socket is
available)
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