Chapter 10: Servicing / repair
Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13 10-49
10.9.8 Compressor / ventilation valve
Remove the tubes from the ventilation valve
(2). To do so, unscrew each nut (1) and pull
off the tube.
Remove a screw with spring washer (2) and
a screw with spring washer, ground cable and
the toothed lock washer (3) and dismount the
carrier plate (1).
Unscrew the compressor (3) with 2 screws (4)
or unscrew the vent valve (1) with 2 screws
(2) from the carrier plate.
After replacement or repair, run a functional
test.