Diaphragm-liquid pump NF 1.60
Servicing
KNF Flodos AG BA_NF1.60_EN_05_161566.docx
Translation of Original Operating and Installation Instructions
15
Dismantling the pump head
1. Undo the 4 head screws (
1
) using a Torx T10 screwdriver.
2. Undo the union nut (
5
) and remove hose. Leave clamp ring (
6
)
on hose.
3. Remove seal (
3
) and resonating diaphragm (
4
) from the
connecting plate (
7
).
Removing the valves and seals
4. Remove both anchor valves (
9
) from the intermediate plate
(
10
) and the connecting plate (
7
).
5. Remove both anchor valve seals (
8
) from the connecting plate
(
7
).
6. Loosen the rolled diaphragm (
11
) by means of the connecting
plate (
7
). Make sure that no washers (
12
) fall into the housing.
We recommend replacing the rolled diaphragm (
11
).
Cleaning the parts
7. Clean the anchor valves (
9
), anchor valve seals (
8
), resonating
diaphragm (
4
) and associated seal (
3
) and rolled diaphragm
(
11
) with a cloth and then blow off with compressed air.
8. Use compressed air to blow out the intermediate plate (
10
),
connecting plate (
7
) and head plate (
2
).
Mounting the diaphragm
9. Check position of insert ring (
13
)
10. Screw rolled diaphragm (
11
) with washers (
12
) into the
connecting rod. Make sure that no washers (
12
) fall into the
housing.
11. Tighten rolled diaphragm carefully using the connecting plate
(
7
).
Mounting the valves and seals
12. Place the seals (
8
) and anchor valves (
9
) into the intermediate
plate (
10
) and the connecting plate (
7
).
Fig. 8
1
Head screws
2
Head plate
3
Seal
4
Resonating diaphragm
5
Union nuts
6
Clamp ring
7
Connecting plate
8
Seals
9
Anchor valves
10
Intermediate plate
11
Rolled diaphragm
12
Washers
13
Insert ring
