VACUUBRAND PC 3001 VARIOpro emission condenser Peltronic User Manual

Page 107

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Put on head covers (C).

+

Pay attention to the correct orientation of

the head covers (see figure below).

+

Make sure that the diaphragms stay cen-

tered with respect to the bores so that they

will become clamped uniformly between

housing (I) and head covers (C).

Put the valves (B) 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 direction

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

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