Instruction 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.: 999084 / 05/10/2009
page 40 of 46
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.
Assembling the pump at the pump support and on the base plate:
➨ Tighten union nuts first by hand and then tighten one full
turn using open ended wrench (w/f 17).
PC 600 LAN
➨ Assemble pump at pump support. Support pump appropriately.
➨ Screw in at each case two socket head screws at the rear and the front of the pump with hex key size
5. Pay attention to washers.
➨ Position pump with pump support on the base plate and tighten the four hexagon nuts on the feet of the
pump support with an open-ended wrench w/f 10.
PC 500/600 LAN
➨ Screw controller to holding plate.
☞ Using hex key size 7 fix socket head screw at rear of controller.
➨ Reassemble connections at controller.
➨ Reconnect hose to the inlet of the condenser and tighten
union nut.
➨ Use open-ended wrench to reconnect hose to elbow fitting.