Maintenance
Check the chamber for leaks
76 11.06.2014
¾ Set the evacuation time to 30 s with the <arrow keys>.
¾ To start the machine after it has been switched on, firmly press
the opened chamber lid shut against the resistance by pressing
the middle of its front edge.
¾ Pull the mains plug shortly before the evacuation time has
elapsed.
¾ Observe the pressure display on the control terminal.
– If the pressure climbs in one minute by less than a graduation
mark on the black scale (0.02 bar): the chamber is not leaking.
– If the pressure climbs in one minute by more than a graduation
mark on the black scale (0.02 bar): the chamber is leaking.
¾ If the chamber is leaking, perform the following operations:
¾ If the chamber lid gasket is wavy, smooth the chamber lid gas-
ket flat.
¾ If there is a gap between the beginning and end of the chambe
lid gasket, remove the chamber lid gasket once more and in-
stall it again.
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