Datex-Ohmeda Aestiva 7900 SmartVent Technical Reference Manual page 179

1. Cover Screws
2. Cover
3. Over pressure weight
4. Seal, over pressure
5. Housing
6. Differential pressure weight
7. Diaphram, differential pressure
8. O-ring
9. Alignment tool
Figure 7-19 • Mechanical Overpressure Valve, original housing
1006-0453-000 05/04
8. Slide the MOPV housing into position, making sure the diaphram and o-ring
remain in place.
9. Loosely replace the screws holding the MOPV housing to the plate.
10.Put the alignment tool through the over pressure relief valve opening until it
seats in the plate.
11.Tighten the screws holding the MOPV housing to the plate.
12.Remove the alignment tool.
13.Replace the over pressure weight and diaphram assembly.
14.Replace the cover and screws.
15.Install the Vent Engine by following the steps in Section 7.6 in reverse
order.
16.Perform the Checkout Procedure found in Section 3 of the Aestiva
Anesthesia Machine Service Manual.
4
8
7 Repair Procedures
1
2
3
9
5
6
7
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