Servicing
Diaphragm pump PJ25481-950.50.18
24
Translation of original Installation Instructions, english, KNF 125530-316634 06/18
8. Head 4 (Fig. 6/
IIII
):
Use a felt-tip pen to apply four marks (
M
) to the head plate, in-
termediate plate, and compressor housing.
During re-assembly, refer to the marks on the individual heads
to ensure that the parts are properly re-assembled.
9. Undo the 16 attachment screws (Fig. 4/
3
) on the heads (
1
to
4
)
and remove the heads (
1
and
2
as well as
3
and
4
).
10. Pull apart heads 1 (Fig. 7/
I
) and 2 (
II
) and heads 3 (
III
) and
4
(
IIII
) and remove O-rings (
19
).
Fig. 7: Removing the o-rings
11. On all four heads, undo the head screw (Fig. 8/
2
) in the head
plate (
4
) and remove head plate from the intermediate plate
(
6
).
