Buchi Rotavapo R-220 SE User Manual download pdf (Page 76)

7 Maintenance and repairs

76 R-220 SE Operation Manual, Version F

Removal / installation of the vapor duct

With the ﬂask seal removed, the (glass) vapor duct can easily be pulled out. At reinstallation, the

keyway at the vapor duct end must be aligned to the spring loaded notch at the gearbox to lock rota-

tion between the drive and the duct.

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

To install the vapor duct proceed in reverse order. Make sure the notch blocks rotational

movement of the duct.

NOTE

Clean the vapor duct before reinstallation to ensure a clean seal face for good tightness!

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Buchi Rotavapo R-220 SE User Manual Page 76