VACUUBRAND MZ 2C +AK+M+D - Manual (Page 21)

page 21 of 26
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.: 999058 / 05/10/2009
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 120 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 (w/f 14) to reconnect hose to elbow
fitting.
➨ Tighten union nuts first by hand and then tighten one full
turn using open ended wrench (w/f 17).
Assembling fittings: