Servo-i Ventilator System Disassembling and assembling
Revision 02 Service Manual 4 - 9
4
PC 1771, PC 1772 and PC 1784
• Remove the Patient Unit front cover.
• PC 1771 Control (1):
– Release the locks on the PC board guides.
– Carefully pull out the PC board.
• PC 1772 Monitoring (2):
– Disconnect PC 1789 cable connector (3). This is
the cable for the optional PC 1789 Remote alarm
connector.
– Release the locks on the PC board guides.
– Carefully pull out the PC board.
• PC 1784 Expiratory channel (4):
– Disconnect pressure transducer tubes (5 and 6)
– Disconnect PC 1785 cable connector (7)
– Disconnect Exp. valve coil cable connector (8).
– Release the locks on the PC board guides.
– Carefully pull out the PC board.
Note: When replacing PC 1771 Control, PC 1772
Monitoring or PC 1784 Expiratory Channel, it can be
necessary to re-install the System SW. For further
information refer to section 'Replacing PC boards' in
this chapter.
AC/DC Converter
• Remove the Patient Unit front cover.
• Disconnect cable connectors (1 and 2).
• Remove the screws and nuts (3).
• Remove the screw (4).
• Carefully lift out the AC/DC Converter (5).
SVX9075
SVX9076
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SVX9088
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