BÜCHI Labortechnik AG
Cleaning and servicing | 7
Operation Manual Rotavapor® R-300
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7
Cleaning and servicing
NOTE
Users may only carry out the servicing and cleaning operations described in this sec-
tion.
Any servicing and repair work which involves opening up the housing may only be
carried out by BUCHI service technicians.
u
Use only genuine BUCHI consumables and spare parts in order to ensure correct
operation of the device and preserve the warranty.
u
Before carrying out any servicing work, empty the heating bath and all glass com-
ponents.
7.1
Inspecting and cleaning the vapor duct
1
1
2
1
3
Fig. 44: Vapor duct on Rotavapor R-300
1
Flange nut
3
Combi-clip
2
Locking button
u
Switch off the device.
u
Remove the evaporating flask, see Chapter 6.3.1 "Removing the evaporating
flask", page 63.
u
Remove the receiving flask, see Chapter 6.3.2 "Removing the receiving flask",
page 64.
u
Remove the cooling condenser from the rotary drive unit. To do so, hold the
cooling condenser firmly with one hand and unscrew the flange nut (1) with the
other hand.
u
Press and hold the lock release button (2) on the front of the rotary drive unit.
u
Turn the combi-clip (3) clockwise until the vapor duct is released.
u
Remove the vapor duct and visually inspect it for damage, wear marks and
residues.
u
Clean the vapor duct with a paper towel and water or ethanol.
u
Refit the vapor duct and cooling condenser, see Fitting the vapor duct, vacuum
gasket and cooling condenser.