VACUUBRAND MZ 2C EX +IK+EK - Manual (Page 44)

page 44 of 75
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.: 999128 / 29/04/2014
➨ Never increase the amount of washers.
Risk of temperature increase!
Risk of explosion!
➨ Remove clamping disc of the safety diaphragm with an
open-ended wrench and remove together with safety dia-
phragm and support disc.
➨ Remove intermediate flange by hand.
➨ Use hex key to remove four socket head screws from
pump head and remove upper housing (housing cover
with housing cover insert and head cover).
☞ 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).
➨ Carefully 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 de-
posits. Do not inhale.
Replacing the diaphragm
☞ Check diaphragm for damage and replace if necessary.
➨ Lift diaphragm carefully sidewise.
☞ Never use a spiky or sharp-edged tool to lift the dia-
phragm.
➨ Use the diaphragm key to grip the diaphragm support disc
below the diaphragm.
➨ Unscrew diaphragm support disc with diaphragm and dia-
phragm clamping disc.