VACUUBRAND MZ 8C - Manual (Page 41)

page 41 of 52
Outlet side
MV 10C MD 12C
ME 16C
MZ 8C
MD 8C
➨
Disassemble the housing covers (A) to
check the diaphragms and valves.
➨
Unscrew four Allen screws (R) with a 5mm
wide Allen key. Remove the housing cover
with housing cover insert (A) together with
the head cover (D), the valves (B) and the
O-rings (C) (head cover with valves and O-
rings will remain within the housing cover).
+
Never remove parts by using a pointed 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 the head cover (D) carefully from the housing cover. Note the
position and orientation of the valves (B) and remove them.
➨
Replace valves and/or O-rings if necessary.
+
Use petroleum ether or industrial solvent to remove deposits. Do not
inhale vapors.
R
Replacing the diaphragm
+
Check diaphragm (F) for damage and re-
place if necessary.
➨
Lift diaphragm carefully sidewise.
+
Never use a pointed or sharp-edged tool to
lift the diaphragm.
➨
Use the diaphragm key to grip the diaphragm
support disc (G) below the diaphragm.
➨
Unscrew diaphragm support disc (G) with diaphragm (F) and dia-
phragm clamping disc (E).
F
E