2.Safety
2.3.11Removing/reinstalling the microtome
•Before removing the microtome:
•Switch instrument off.
•Unplug from mains.
•Place handwheel grip in lowest position and lock.
•When removing the microtome:
•Wear gloves when removing the micro- tome while it is still frozen.
•On instruments with specimen cooling:
do not distort the refrigerating tube!
If distorted it might break, causing ex-
tremely cold refrigerant to escape. | - - |
>Risk of frost bite!
•Before reinstalling the microtome:
• Microtome must be completely dry. | ||
>Humidity in the interior of the micro- |
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tome freezes and causes |
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microtome | malfunctions and/or |
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damage to the | microtome. |
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•All accessories/tools removed from the cryochamber must be thoroughly dry be- fore putting them back into the chamber!
2.3.12 Display message ‘Dry microtome’
•If the error message ‘Dry Microtome’ is dis- played in control panel 1, the following has happened:
•Cryochamber refrigeration has been in- terrupted for an extended period of time (e.g. power failure), causing the chamber temperature to rise into the positive digits.
•If this message appears, do not switch on the instrument but remove the microtome from the chamber, disinfect, if necessary, and dry thoroughly before reinstalling it into the chamber (see chapter 7.1 to 7.5).
2.3.13 Maintenance
•Only technical service engineers authorized by Leica may access the internal compo- nents of the instrument for service and re- pair.
•The fluorescent light lamp (chamber illumi- nation), unless broken or splintered, can be replaced by the user:
•Switch off mains switch!
•Unplug the instrument from mains!
•If the lamp is broken or splintered:
Have lamp replaced by Leica Technical Service!
•Use only those replacement lamps that cor- respond to technical specification (see chapter 4.2 ‘Technical Data’).
Leica CM3050 S – Cryostat | 15 |