Free Breathing Valve Maintenance - GE Datex-Ohmeda Aisys Carestation Reference Manual

Aisys

6.3 Free breathing valve maintenance

To replace the flapper valve
6-6
C
D
Refer to section 9.13 to access the Pneumatic Vent Engine.
1. Unscrew the valve seat (
2. Inspect the flapper (
B
3. If necessary, clean the new flapper valve with alcohol.
4. Pull the tail ( ) of the new free breathing valve flapper through the center
C
of the valve seat until it locks in place.
5. Trim the tail with 2 to 3 mm protruding outside surface of the valve seat
(refer to the removed flapper).
6. Replace the O-ring (
D
7. Hand screw the assembly into the interface manifold.
8. Reassemble the system.
9. Perform the Preoperative Checkout Procedure
(refer to the User's Reference manual).
A
B
) from the side of the interface manifold.
A
) and valve seat for nicks, debris and cleanliness.
). Lubricate with a thin film of Krytox.
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