BUCHI Rotavapo R-100 - Manual (Page 40)

7 | Cleaning and servicing BÜCHI Labortechnik AG
40/60 Operation Manual Rotavapor® R­100
7.3 Checking seals
Seals are wear parts. They have to be regularly inspected, cleaned and, if necessary,
replaced. The life of a seal depends on much it is used and how well it is looked after.
4
2
1
3
5
1 Vacuum connection seal 4 Feed tubing seal
2 Coolant seal 5 Vacuum gasket (not visible)
3 Coolant seal
u Remove seals and inspect for damage and cracks.
u Rinse intact seals in water or ethanol and dry with a soft cloth.
u Replace damaged seals and check the corresponding glass contact faces for dam­
age (e.g. wear marks).
NOTE
New PTFE seals require approx. 10 hours to achieve an optimum seal.
7.4 Cleaning the condenser
u Using a wash bottle, squirt ethanol into the vacuum connection of the condenser
and rinse it out.
u After rinsing allow the ethanol to drain out at the bottom.
u Use an alkaline cleaning agent to remove stubborn dirt (e.g. algae).