Diaphragm Liquid Pump NF 1.30
For your notes
KNF Flodos AG BA_NF1.30_EN_04_067674.docx
Translation of original Operating and Installation Instructions
15
8.2.3. Disassembling the pump head
Use the screwdriver to undo the 4 head screws (
1
).
Remove the connecting plate (
3
) from the intermediate
plate (
6
).
Remove the valve sockets (
5
) and sealing washers (
4
) from
the intermediate plate (
6
). Do not use the valve sockets again.
Carefully grip the diaphragm (
7
) and remove by turning anti-
clockwise.
We recommend replacing the diaphragm (
7
).
8.2.4. Clean or replace parts
Clean the diaphragm (
7
), sliding disk (
8
), support (
9
), interme-
diate plate (
6
), connecting plate (
3
) sealing washers (
4
) and
head plate (
2
) with a cloth and then blow off with compressed
air.
8.2.5. Installing the pump head
Place the sliding disk (
8
) and support (
9
) on the diaphragm (
7
).
Screw in the diaphragm (
7
) and tighten it securely.
Press the edges of the diaphragm all around.
Ensure the sealing washers (
4
) are dust free and place them in
the centre of the valve socket seat of the intermediate plate (
6
)
(one sealing washer per seat).
Insert the valve sockets (
5
).
NOTE:
The location and position of the valve sockets is speci-
fied by the tappets on the intermediate plate and the grooves
on the valve sockets. The location / position is different.
Place a dust-free sealing washer (
4
) in the centre of each valve
socket.
Make sure that the sealing washers are in the centre of the
valve sockets.
Carefully place the connecting plate (
3
) on top of the interme-
diate plate (
6
).
NOTE:
only one position is possible.
The flow direction arrows on the head plate must be aligned
with the connecting nozzles of the connecting plate.
Place the pump head onto the pump and tighten the four head
screws diagonally.
Reconnect the hoses to the pump head.
Fig. 6
1
Head screws
2
Head plate
3
Connecting plate
4
Sealing washer
5
Valve socket
6
Intermediate plate
7
Diaphragm
8
Sliding disk
9
Support
