Ventilator - Dräger Medical Fabius Tiro Technical & Service Manual

Replacement Procedure
9

Ventilator

Ventilator Removal
Dräger Medical AG & Co. KGaA
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The ventilator and door assembly are retained in the monitor housing by a
hinge rod. Figure 9 and Figure 10
connects needed to remove the ventilator from the machine.
14 shows the lower cylinder and motor arrangement. While it is possible to
service some components without removing the ventilator assembly from the
machine, the complete disassembly sequence is given below.
NOTE
If servicing a wall mount unit, refer to
dure prior to performing this procedure.
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. Disconnect the ventilator hose at the side of the machine.
9. Remove the back panel to expose the controller PCB assembly. Provide
support for the panel to prevent damage to the power supply cable con-
nections.
NOTE
Make note of the positioning and routing of all cables and pneumatic lines
for reassembly.
10. Swing open the ventilator door. Disconnect the ventilator cables from J11
and J12 on the controller PCB, and separate the flying connector on the
cable attached to J10 on the controller PCB. Feed these three cables for-
ward into the ventilator compartment.
11. Disconnect the ventilator chamber pressure sensor hose at patient
assembly.
12. Disconnect the ventilator tubing from the T-fitting (see
this tube into the ventilator compartment.
13. If applicable, disconnect the O2 supply tube from the auxiliary O2 flow
meter.
14. Disconnect the ventilator ground wires from the stud on the ventilator
door.
15. Remove the E-ring from the hinge rod. While supporting the ventilator
assembly by the top handle, slide the hinge rod down and out through the
underside of the table:
6020.002
show the hinge arrangement and the dis-
Wall Mount Service Access Proce-
Figure
Revision B Released
Fabius Tiro
Figure
9) and feed
159