page 43 of 68
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.: 999290 / 12/12/2016
View of the disassembled pump head parts (fig. MD 4C EX VARIO)
Position
Component
1
housing cover
2
housing cover insert
3
valve
4
O-ring
5
head cover
6
diaphragm clamping disc
7
work diaphragm
8
intermediate flange
9
diaphragm support disc
10
washer
11
safety diaphragm clamping disc
Position
Component
12
safety diaphragm
13
diaphragm support disc
14
washer
15
rod
16
outlet
17
overpressure safety valve
18
inlet
19
distributor cover
20
distributor
21
internal overpressure safety valve
22
housing
22
8
11
13
10
9
2
3
5
6
7
12
18
4
16
17
21
20
15
1
19
14
