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MP30 | 1.00.01
15
14.1
REPLACING DIAPHRAGMS, VALVE PLATES AND SEALING RINGS
Figure 4 shows a sectional drawing of the pump head.
1
2
3
4
5
6
7
8
9
10
11
15
Positioning
the cup
spring 11
Figure 3
Section drawing of pump head MP30
Replacing the diaphragm:
Mark position of pressure plate
15
, head cover
4
, intermediate plate
1
and housing
14
by making a
continuous line with a felt-tip pen.
Loosen four head screws
5.
Remove pressure plate
15
, head cover
4
and intermediate plate
1
from pump housing.
Loosen four fixing screws in impeller cover
13
and remove.
Bring diaphragm
8
into top position by turning impeller
12
;
Unscrew diaphragm on side edges anticlockwise.
1 Intermediate plate
2 Valve plate
3 Sealing ring
4 Head cover
5 Screw
6 Screw cap
7 Screw
8 Diaphragm
9 Supporting cup
10 Adjusting washers
11 Cup spring
12 Impeller
13 Impeller cover
14 Housing
15 Pressure plate
M Mark
15
14
13
12
1
4
5
6
M
