Heidolph ROTAVAC vario control User Manual
Page 27

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.: 999223 / 08/07/2009
page 27 of 34
➨
Bring the diaphragms into a position in which they are in
contact with the housing and centred with respect to the
bore.
➨
Lay pump down and support appropriately.
➨
Assemble head covers and valves.
☞
Check for correct position (see also fig. below).
It is absolutely essential to comply with the positions and orientations of the
head covers and valves!
Scheme of pump head with head covers and valves
”side with hose
connection”
”motor side”
valves at the inlet
(kidney-shaped
opening beside
valve)
valves at the outlet
(round centred
opening under
valve)