User Manual

page 21 of 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.: 999198 / 29/09/2009
scheme 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” between pump heads
”side with knob” / stand foot
Assembling the housing cover at the inlet side
Assemble head covers and valves.
Check for correct position (see also g. below).
It is absolutely essential to comply with the positions and orientations of the
head covers and valves!
Position housing cover.
Move housing cover slightly to make sure that the head
covers are correctly positioned.
Screw in the six socket head screws xing the housing
cover crosswise rst slightly, then tighten.
Do not tighten until head cover is in contact with housing,
max. torque 6 Nm.