VACUUBRAND MZ 2C EX +IK+EK - Manual (Page 48)

page 48 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
Before reassembling ensure that all parts are clean, dry and
lint free, especially the valve seat.
➨
Position new safety diaphragm between safety diaphragm
clamping disc and safety diaphragm support disc.
☞ Attention: Position diaphragm with pale side towards dia-
phragm clamping disc.
☞ Make sure that the square head screw of the diaphragm
clamping disc is correctly seated in the guide hole of the
diaphragm support disc.
Use torque wrench w/f 19 to screw safety diaphragm support
disc, safety diaphragm and safety diaphragm clamping disc
to rod.
☞ Make sure that the square head screw of the diaphragm
clamping disc is correctly seated in the guide hole of the
diaphragm support disc.
Optimum torque for the safety diaphragm clamping disc: 6
Nm.
☞ Attention: Absolutely assemble all
washers correctly if available (between
safety diaphragm support disc and
rod). Never assemble more washers!
➨ Position intermediate flange to housing.
➨ Screw diaphragm clamping disc, diaphragm, diaphragm
support disc and washers to connecting rod.
➨ Optimum torque for the diaphragm support disc: 6 Nm, it
is recommended to use a torque key. Attach hex key to
diaphragm key (hexagonal bolt 6 mm wide).
Attention: Never use the diaphragm key with any addi-
tional tools like tongs or hex keys without torque limita-
tion.
➨ Position new work diaphragm between diaphragm clamp-
ing disc with square head screw and diaphragm support
disc.
☞ Attention: Position diaphragm with pale side towards dia-
phragm clamping disc (to pump chamber).
☞ Make sure that the square head screw of the diaphragm
clamping disc is correctly seated in the guide hole of the
diaphragm support disc.
➨ Lift diaphragm at the side and position carefully together
with diaphragm clamping disc and diaphragm support disc
in the diaphragm key.
☞ Avoid damage of the diaphragm: Do not bend diaphragm
too much.