VACUUBRAND PC 3001 VARIO emission condenser Peltronic - Manual (Page 107)

page 107 of 120
➨
Put on head covers (C).
+
Pay attention to the correct orientation of the
head covers (see figure below).
+
Make sure that the diaphragms stay centered
with respect to the bores so that they will be-
come clamped uniformly between housing
(I) and head covers (C).
➨
Put the valves (C) in place. See figure below for the correct position of
the valves:
Inlet side of pump head: The valve tongue points at the kidney-shaped
orifice in the valve seat (1).
Outlet side of pump head: The valve is oriented the opposite direc-
tion as the valve at the inlet side. Round orifice under the valve tongue
(2).
outlet
side (2)
inlet
side (1)
Scheme of pump heads with head covers and valves