Manual

page 43 of 51
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.: 999073 / 15/12/2009
View of the disassembled pump head parts
valve
(only MV 10C VARIO /
PC 2010/2012 VARIO)
cover plate
distributor cover
countersunk head
screw
housing
connecting rod
washer
diaphragm support disc
diaphragm
diaphragm clamping disc
head cover
O-ring
valve
housing cover insert
housing cover
☞ Check diaphragm for damage and replace if necessary.
➨ Use Phillips screw driver to remove four countersunk head
screws and lift off housing plate together with fittings and
manifold.
➨ To check valves use hex key to remove four socket head
screws from pump head and remove upper housing (hous-
ing cover with housing cover insert), head cover, valves and
O-rings.
☞ 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 from housing cover insert and check
valves. Note position of valves and remove.
☞ Replace valves if necessary.
☞ Use petroleum ether or industrial solvent to remove depos-
its. Do not inhale.