Diaphragm liquid pump NF 100
Servicing
KNF Flodos BA_NF100_EN_10_067676.docx
Translation of original Operating and Installation Instructions
28
8.3. Adjusting the overflow
Test set-up/instrumentation as shown in the diagram.
Test set-up for overflow
Fig. 22: Test set-up for overflow
Switch on the pump and run until there are no air bubbles in
the system.
Close the valve downstream of the pressure gauge and check
the overflow pressure at the gauge.
Undo the hexagon nut (
11
) on the setscrew (
10
).
To reduce the pressure, turn the setscrew (
10
) anti-clockwise,
to increase the pressure, turn it clockwise.
Use the hexagon nut (
11
) to secure the setscrew (
10
) in the
selected position.
Make sure that the
container (a), pump (b),
pressure gauge (c) and
valve (d) are as level as
possible (+/- 15 cm)
