Ab c – BUCHI Rotavapo R-220 SE User Manual
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
a
b
c
a
Remove the snap flange coupling and the flask seal first. Pull out the vapor duct by hand.
b
Loosen the EasyClamp (DN70) and take off the distribution head (glass part). Subsequently,
completely remove the EasyClamp from the gearbox.
c
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!