Page 74 (Model K)
16.2.2 Duckbill and conical filter replacement.
The procedure is the same for both air and oxygen inlets.
1.Remove the inlet connector (A).
Note: The O
2
connector is a left hand thread and the Air connector is a right
hand thread.
2. Remove O-ring (N6618) (B),
Nylon filter cone (N2185/06) (C),
Washer (N0280/10/04) (D)
Duckbill check valve (N2185/05) (E).
3.Remove the connector (F).
Remove O-ring (N6618) (G),
4. Discard the O-ring’s, nylon filter cones, washers and duckbill check valves.
5. Re-assemble with the new components.
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