VACUUBRAND ME 2SI - Manual (Page 21)

page 17 of 24
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.: 99 56 52 / 10/07/2007
Cleaning and inspecting the pump heads:
1 housing
2 rod
3 diaphragm support disc 7 seal ring (only MZ 2D)
8 valve
9 housing cover 4 diaphragm
5 diaphragm clamping disc
6 head cover
1
2
3
4
5
6
7
8
9
View of the disassembled pump head parts
with different technical design
diaphragm with round hole;
clamping disc with countersunk head
screw diaphragm with square hole;
clamping disc with square head
screw
➨ Use open-ended wrench, remove the screw-in fittings together
with the hose from all pump heads.
➨ To check the valves use hex key to remove four socket-
head screws from pump head and remove housing cover
with head cover, valves and O-ring (MD 4 / MV 2 only).
☞ Never remove parts by using a spiky or sharp-edged tool
(e.g. screw driver), we recommend to use a rubber mallet or
compressed air (to be blown carefully into port).
➨ Remove head cover carefully from housing cover. Note po-
sition of valves and remove them.
☞ Replace valves if necessary.
☞ Use petroleum ether or industrial solvent to remove depos-
its. Do not inhale.