Amersham Pharmacia Biotech M-925 Manuale di istruzioni - Pagina 3
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Stampa la pagina3 Operation
On/off
The mixer is controlled from a system pump
in the ÄKTAdesign P-900 series and is, by
default, operating whenever the pump is
running. See the User Manual för the pump.
The mixer can be run without liquid, but it
should be avoided due to mechanical wear.
Storage
Overnight: The mixer can be left filled with a
buffer.
Overnight and Long time storage: Flush
the mixer with water and then fill with
20% ethanol.
Mixer M-925
Instructions 56-8101-00 Edition AC
4 Maintenance
CAUTION! Only spare parts approved or
supplied by Amersham Pharmacia Biotech
may be used for maintaining and servicing
Mixer M–925.
Period
Action
Every 6 months
General inspection
Every 2nd year
Replace the mixer chamber
Cleaning-in-place
Pump a cleaning or sanitizing agent through
the mixer. The standard recommendation is
to pump 1 M NaOH for 30 minutes and then
wash out with buffer.
WARNING! NaOH is injurious to health.
Avoid spillage.
General inspection
1 Check that the mixer chamber is clean and
without damage. Check the tubing
connectors. Replace if required.
Replacing mixer chamber
WARNING! When using hazardous
chemicals, ensure that the mixer chamber
has been flushed through with distilled
water before removing the chamber.
1 Make sure the pump is stopped.
2 Place the buffer bottles lower than
the mixer to prevent draining, and then
remove the inlet and outlet tubing.
3 Open the plastic lock holding the mixer
chamber. A spring is securing the mixer
chamber in position when the lock is
opened.
4 Pull out the mixer chamber gently.
5 Insert the new mixer chamber, and close
the lock.
6 Replace the inlet and outlet tubing.
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