Dräger Medical Fabius Tiro Technical & Service Manual page 169

Replacement Procedure
Ventilator Servicing: Upper
Diaphragm (patient side)
Lower Diaphragm: (motor
& case assembly)
Dräger Medical AG & Co. KGaA
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17. Release the three clamps holding the patient assembly to the upper cylin-
der; lift the patient assembly up and out.
18. Lift the diaphragm out of the upper cylinder as shown in
direction of the arrow.
Figure 11 Upper Diaphragm Removal
19. Lower the replacement diaphragm into the cylinder. Ensure that the lip of
the diaphragm fits properly into the top groove on the cylinder.
20. Carefully reinstall the patient assembly, making sure the diaphragm seats
properly. Secure the three clamps holding the patient assembly to the
upper cylinder.
21. Noting the position of the clamp for reassembly, remove the bolt securing
the band clamp holding the upper and lower cylinders together. Open the
band clamp and move it down onto the lower cylinder. Separate the upper
cylinder from the lower cylinder.
22. Using the proper 'Pozi' driver, remove the three screws from the top of the
piston. See Figure 14.
23. Lift the piston and diaphragm up and out of the lower cylinder.
24. Remove the O-ring off the piston.
25. Place the piston upside down on a table. Remove the retaining ring (cir-
clip) securing the diaphragm at the inside of the piston, and pull the dia-
phragm up off the piston. See
6020.002
Figure 12.
Revision B Released
Fabius Tiro
Figure 11 in the
163