VACUUBRAND PC 2001 VARIO - Manual (Page 43)

page 43 of 49
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.: 999100 / 06/05/2008
Assembling of fittings:
If the pump does not achieve the ultimate pressure:
☞ 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.
If all pump heads achieve a vacuum below 90 mbar but pump does not achieve the
ultimate total pressure:
Check hose connectors between pump heads and manifolds for leaks. If necessary
recheck pump chamber.
Use open ended wrench to reconnect hose to elbow fitting.
Tighten union nuts first by hand and then tighten one full turn
using open ended wrench.
Connect hose to fitting.
Tighten union nuts first by hand and then tighten one full turn
using open ended wrench.