Buchi Rotavapo R-220 SE Manuel d'utilisateur télécharger pdf (Page 77)

7 Maintenance and repairs

77 R-220 SE Operation Manual, Version F

7.4 Distribution head seal and vacuum seal

Removal of the seal holder

Remove the snap ﬂange coupling and the ﬂask seal ﬁrst. Pull out the vapor duct by hand.

Loosen the EasyClamp (DN70) and take off the distribution head (glass part). Subsequently,

completely remove the EasyClamp from the gearbox.

Pull out the seal holder by hand.

• The distribution head seal can easily be pulled off by hand.

• To remove the vacuum seal use the seal tool (order no. 020075). Hook it in under the

ring-shaped metal insert (!) and pull out the seal from the seal holder. Perform this action

in several minor steps and change the tool's position to avoid canting!

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Buchi Rotavapo R-220 SE Manuel d'utilisateur Page 77