Diaphragm pump N 2400.15
Servicing
Translation of original Operating and Installation Instructions, english, KNF 308934-308937 09/18
29
Fig. 10: Pump parts
The following item numbers refer to Fig. 10, unless otherwise
indicated.
Removing pump head
1. Take the steps necessary to gain access to the motor cooling
fan:
Undo the screws that hold the fan cover (Fig. 2/
7
) and remove
the fan cover.
2. Remove the pneumatic connection or the interstage cooler
between the pump heads: To do so, mark the union nuts (Fig.
2/
7
) according to Fig. 11 and loosen them.
3. Mark the position of head plate (
4
), intermediate plate (
14
) and
housing (
13
) relative to each other by a drawing line with a felt-
tip pen.
This helps avoid incorrect assembly later.
4. Undo the six hexagon socket head cap screws (
1
) and the two
screws (
6
); lift off head plate (
4
) and intermediate plate (
14
).
1
Hexagon socket head cap
screw
2
Slotted cheese head screw
3
Limiter
4
Head plate
5
Reed valve
6
Hexagon socket head cap
screw
7
O-ring
8
Diaphragm
9
Diaphragm support
10
Retainer plate
11
O-ring (only .13)
12
O-ring (only .13)
13
Housing
14
Intermediate plate
15
Diaphragm spacer(s)
Fig. 11: Marking of the union nuts
Содержание N 2400.15
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