VACUUBRAND MV 2 VARIO - Manual (Page 33)

page 33 of 41
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.: 999035 / 15/12/2009
View of the disassembled pump head parts (e. g. MV 10 VARIO)
Cleaning and inspecting the pump heads
valve*
cover plate*
countersunk head screw*
housing
connecting rod
head cover
seal
valve
housing cover
* only MV 10 VARIO
washer
diaphragm
diaphragm support disc
diaphragm clamping disc
➨ Use open-ended wrench, remove screw-in fittings 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 12 / MV 10 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.