Disassembling and assembling Servo-i Ventilator System
4 - 16 Service Manual Revision 02
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• Place the membrane onto the cassette as shown in
the illustration.
Expiratory cassette membrane
The expiratory cassette is a complete unit and must
not be disassembled. The only part that can be
replaced is the valve membrane.
Operating capacity for the membrane is estimated to
10.000.000 breathing cycles. When this limit is
passed or if the membrane for some reason has
become defective, it must be replaced.
Remaining operating capacity (in %) for the
membrane can be shown in the Status window.
Select Status / Exp. cassette to check 'Remaining
membrane capacity'. The operating capacity meter
must be reset after replacement of the membrane.
It is very important for the function of the
expiratory valve that the valve membrane is
removed and mounted correctly as described
below.
To remove the valve membrane from the cassette:
• Carefully remove the membrane including retaining
ring using a suitable retaining ring pliers.
To mount the valve membrane into the cassette:
• Place the retaining ring (1) correctly into the
membrane.
It is very important that the valve membrane and
the membrane seat in the cassette is clean. Dirt
particles can create leakage in the cassette.
SVX9057
6
SVX9058SVX9057
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