Pneumatic (Peep Control) Assembly - Dräger Medical Fabius Tiro Technical & Service Manual

Replacement Procedure
14 Pneumatic (PEEP
Control) Assembly
Dräger Medical AG & Co. KGaA
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The Pneumatic assembly is accessible by removing the back cover of the
controller housing. Figure 20
nections for this assembly.
NOTE
If the Core Unit is wall mounted, refer to the
Procedure prior to performing the following step.
1. Disconnect all pipeline hoses and set the System Power switch to 'ON'.
2. Close all cylinder valves except the O2 valve.
3. Set the oxygen flow to 5 l/min.
4. Open the other gas flow control valves to deplete the pressure from the
system.
5. Close the O2 cylinder valve and close the flow control valves. Press the
O2 flush valve to deplete oxygen pressure from the system.
6. Set the System Power switch to 'OFF' and disconnect AC power from the
machine.
7. Detach the cylinder supply from the yoke.
8. Remove the back panel from the controller housing. Provide support for
the panel to prevent damage to the power supply cable connections.
9. Disconnect the following items:
– Pump cable at J8 on controller PCB
– PEEP cable at flying connector (from J7)
– Small dia tubing at LS1 sensor on controller PCB
– PEEP hose at hose pneumatic assembly PEEP valve
– Vacuum hose at pneumatic assembly reservoir
10. Loosen the captive mounting screw on the pneumatic assembly.
11. Remove the rear mounting screw and carefully slide the assembly out of
the controller housing. (Make sure the back panel with the power supply
attached is supported to prevent damage to its connections.)
12. Slide the replacement pneumatic assembly into the controller housing
and secure it with the captive mounting screw. reinstall the rear mounting
screw and cable clamp.
13. Reconnect the items that were previously disconnected:
– Pump cable at J8 on controller PCB
– PEEP cable at flying connector
– Small dia tubing at LS1 sensor on controller PCB
– PEEP hose
– Vacuum hose
14. Reinstall the back panel on the controller assembly.
15. Reconnect the pipeline and cylinder supplies and restore power to the
machine.
6020.002
shows the mounting, tubing and electrical con-
Wall Mount Service Access
Revision B Released
Fabius Tiro
183