15
BÜCHI
Distillation Unit
K-314
6 Maintenance
6.1
General information and Preparations
The distillation unit K-314 casing has a plastic coating. The
wet domain also has a plastic jacketing.
In order to avoid damage to these plastic coverings, wipe
off any acid or alkaline splashes immediately with a wet
cloth.
6.2
Maintenance: daily, weekly
Daily:
•
Check for damage on glass parts
After stand still overnight, or after long periods of non-use:
•
Insert a sample tube containing approximatively 30 ml
destillated water,
•
Fill the receiving vessel with destillated water so that
the PTFE hose is just barely immersed.
Weekly:
•
Remove the rubber bung and clean it with water.
•
Also clean the exposed glass nozzle on the splash
protection.
The glass parts are cleaned.
6.3
Rubber bung and PTFE hose
During the life duration of the rubber bung it is advantageous
to remove it periodically, approximately after 100 distillations,
and to clean it with water without any cleaning product or
solvent.
•
Remove the rubber bung by turning it downwards and
clean it carefully with water,
•
Clean also the liberated glass nozzle of the splash
protection with a wet cloth.
6
Maintenance