Replacing The Spontaneous Valve 894613 - Datex-Ohmeda Anesthesia Delivery Unit S/5 Technical Reference Manual

Datex-Ohmeda ADU

Replacing the spontaneous valve 894613

Special Tools needed: Loctite 243
1. Remove the bellows chamber, bellows, overflow valve cap and overflow valve membrane from
the bellows block.
2. Turn the bellows block upside-down
3. Remove the plate screws.
4. Remove spontaneous valve and clean the plate threads from dirt.
5. Apply Loctite 243 to the threads of the new spontaneous valve (1).
6. Fit the new valve (including O-ring) to the plate. Do not tighten too hard as it may cause leakage.
C-32
Wrench 23 mm (maximum 3.5 mm thick).
1
Document No. 8502855