VACUUBRAND PC 620 NT User Manual
Page 56
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.: 999188 / 19/05/2009
➨
Fix hose of the exhaust waste vapour condenser.
➨
Assemble catchpots with joint clips.
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 (make sure
that the square head screw of the diaphragm clamping disc is correctly seated in the guide hole of
the diaphragm support disc).
If the specified 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.
➨
After replacing diaphragms and valves, reassemble hose.
➨
Open clip and pull out hose. Turn hose upwards.
☞
Detach the fixing of the hose at the inlet block of the pump-
ing unit.
➨
Open the hose clip with a flat-bladed screw driver.
➨
Pull the hose off the hose connector.
➨
Tighten the fillister head screws of the connection fasten-
ers with a Torx screw driver TX20.
➨
Close the hinged covers.
Replace diaphragms and valves of the opposite side of the pump in the same
way!