VACUUBRAND PC 620 NT - Manual (Page 59)

page 59 of 63
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
Cleaning and assembling components
➨ Loosen joint clip and remove catchpot.
➨ To replace the pressure relief valve, loosen the union nut
at the exhaust vapour condenser.
Overpressure safety relief device
at exhaust vapour condenser ...................................... 638821
Round bottom flask 500 ml, coated .........................638497
O-ring 28 x 2.5..........................................................3120553
(FPM) at the spherical ground joint of the round bottom flask
at the inlet
O-Ring 28 x 2.5 ..........................................................638304
FEP bonded for increased chemical resistance
➨ Pull off the old pressure relief valve and install the new
one. Check for correct position of the PTFE-foil under the
pressure relief valve.
➨ Feed the PTFE hose in the inlet of the exhaust vapour
condenser and mount condenser with the counter holder
(Torx screws) to the pump. Fasten union nut.
➨ Loosen the four Torx screws at the counter holder of the
exhaust vapour condenser and remove the exhaust va-
pour condenser. In doing so pull the PTFE hose out of the
inlet of the exhaust vapour condenser.