VACUUBRAND PC 301 - Manual (Page 33)

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.: 999147 / 17/06/2014
page 33 of 40
➨ Bring diaphragm into a position in which diaphragm is in
contact with housing and centred with respect to bore.
➨ Lay the pumping unit down and support it appropriately.
➨ Assemble head cover and valves.
☞ Check for correct position (see fig. below).
It is essential to mind the position and orientation of the head cov-
ers and the valves!
Scheme of pump head with head covers and valves
valves at the outlet
(round centred opening
under valve)
valves at the
inlet
(kidney-shaped
opening beside
valve)
”side with hose connection”
”motor side”