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28
Operating Manual V1.1 – 05/2007
Reasons:
1. To prevent section waste from falling into the
opening.
2. To prevent cold from escaping from the
chamber.
3. To prevent moisture from penetrating into the
chamber.
6. Installation
6.5.7 Inserting/Changing the Bacteria Filter
6.5.8 Assembling the Filter Bag
Fig. 27
• Set the mark (A) of the extraction opening (1)
and pull it out. Plug the filter (3) into the ex-
traction hose connecting piece (3a) until there
is an audible click.
Now push the connected parts back into the
opening in the cryostat chamber (filter first) and
set it to the "closed" mark (2, Fig. 27).
1
3
3a
2
The holder for the bacterial filter (optional) is
visible in the front of the instrument.
• To insert the filter, hold it with one hand, press
on the right of the socket, then guide the filter
into the tube from the left.
• To change the filter, follow the opposite proce-
dure: press the filter to the right, then pull it to
the left and out of the tube.
• The filter must be changed approx. every
3 months (we recommend writing the date on
the filter using a marker).
Fig. 26
Fig. 28
When not using the extraction, tightly
close the opening for the extraction
hose using the silicone stopper (E) in-
cluded in the scope of delivery.
A
E
The filter must be disposed of accord-
ing to valid laboratory specifications.
L