VACUUBRAND MZ 2C EX +IK+EK User Manual
Page 35
page 35 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
➨
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.
➨
Use a face wrench to remove diaphragm support disc.
➨
Check for washers under clamping disc. Do not mix the
washers from the different heads. Make sure that the origi-
nal number and thickness of washers is reassembled at
the individual pump head.
➨
Never increase the amount of washers.
Risk of temperature increase!
Risk of explosion!
➨
Remove the intermediate flange with clamping discs, di-
aphragms and diaphragm support discs from the pump
housing.
Remove the diaphragm support disc of the safety dia-
phragm and safety diaphragm.
Replacing the diaphragm