BUCHI Rotavapo R-220 SE - Manual (Page 75)

7 Maintenance and repairs
75 R-220 SE Operation Manual, Version F
Removal / installation of the flask seal
!
Vapor duct might slip out!
a Remove the snap flange coupling. Hook some fingers behind the seal at two of the three
cut-outs.
b Carefully pull off the seal step by step. Change the position at the cut-outs from time to time
to avoid canting of the seal plate! Make sure the vapor duct does not accidently slip out when
removing the seal plate.
For reinstallation proceed in reverse order.
NOTE
Do not use metal tools or other utilities that might scratch or harm the metal flange or the seal plate!
Clean the seal face before reinstallation.