MAN.234 Rev.6 ENG - Use and maintenance manual S19HD page 52 of 126
Picture 21: manual pump tap to be turned
to the left.
2. Unseal and fully screw the black knob of the
tap LFT (Picture 22) placed at the left of the fil-
ters bench.
Picture 22: left filters bench tap.
3. Unseal and screw (fully to the right) the black
knob of the proportional valve PVK (Picture
23) of the emergency workbench.