Diaphragm liquid pump NF 1.100 EX
Servicing
KNF Flodos AG BA_NF1.100EX_EN_05_152147
English translation of original Operating and Installation Instructions
23
NF 1.100.27 version
1. Insert resonating diaphragm.27 (
16
) in the connecting plate (
5
).
2. Place diaphragm.27 (
15
) centrally on resonating dia-
phragm.27 (
16
).
3. Then place the compression spring.27 (
14
) over the thread of
diaphragm.27 (
15
).
4. Carefully place the head plate (
13
) with fitted new O-ring (
3
),
screwed-in setscrew (
11
) and hexagon nut (
12
) over the whole
unit.
5. The positions of the intermediate plate (
7
), the connecting plate
(
5
) and the head plate (
13
) are determined by the 3 locators
(head screw elements).
6. Insert the four head screws (
1
) in the through holes of the
pump head.
7. Make sure that the flow direction of the pump head (see direc-
tional arrow on the head plate (
13
)) is the same as previously.
8. Place the pump head onto the pump housing and alternately
tighten the four head screws (
1
). The maximum tightening
torque is 1.5 Nm.
➔
The activities described above should not alter the set pres-
sure of the overflow valve. If it is found that the setting has
changed after assembly, the value can be readjusted within the
permissible range of the pump in accordance with the instruc-
tions in Chapter 8.4, if necessary readjusting the peripheral in-
stallations.
8.3. Replacing parts
Same procedure as in Chapter 8.2, "Cleaning",
– with the excep-
tion of step 6:
Instead of cleaning the diaphragm (
8
), O-ring 3 (
3
), resonating
diaphragm (
4
) or resonating diaphragm.27 (
16
), diaphragm.27 (if
fitted) (
15
), valve plate (
6
), intermediate plate (
7
) and connecting
plate (
5
) these components must be replaced.
Fig. 8: NF 1.100.27
Содержание NF 1.100 EX
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