Owner manual

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 28 of 34
➨ 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.
Replace diaphragms and valves similarly on the other side of the pump (only
ROTAVAC vario control).
➨ Use open ended wrench (w/f 14) to reconnect hose to el-
bowtting.
➨ Tighten union nutrstby hand and thentightenone full
turn using open ended wrench.
If the pump does not achieve the ultimate vacuum:
- In case the diaphragms and valves have been replaced, a run-in period of several hours is required
before the pump achieves its ultimate vacuum.
- In case of unusual noise switch off pump immediately and check clamping disc positions.
Ifthespeciedultimatevacuumisnotachievedandifthisdoesnotchangeaftertherun-inperiod:
Check hose connectors at pump head for leaks. If necessary recheck valve seats and pump cham-
bers.