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2.6
Cleaning and disinfection
We strongly recommend defrosting the Leica CM1520 cryostat completely for approx. 24 hours, 1-2x
annually or as needed.
• It is not necessary to remove the microtome for routine disinfection.
Note
Remove section waste after EVERY change of specimen! Do not start disinfection until you have done
this! Each new specimen is a potential source of contamination. When disinfecting the instrument, take
appropriate protective measures (gloves, mask, protective clothing, etc.).
Warning
• Use only alcohol-based disinfectants for disinfecting the cryochamber.
• Do not use any solvents (xylene, acetone, etc.) for cleaning or disinfection.
• Prior to disinfection with alcohol-based disinfectants, switch off the instrument and unplug the
power plug.
• When using detergents and disinfectants, observe the specifications of the respective manufacturer.
• Risk of explosion when using alcohol: Provide proper ventilation and ensure the instrument is
switched off.
• Risk of icing – Disinfected accessories must be fully dry before reinserting them in the chamber. Do
not switch the instrument back on before the cryochamber is fully dry.
• Dispose of waste liquids from disinfection/cleaning as well as of section waste according to
applicable regulations on disposal of special category waste!
• Refer to
(→ P. 66 – 9.2 Disinfection at room temperature)
temperature.
After each disinfection, the chamber must be wiped carefully with a cloth and briefly ventilated! Before
switching on the instrument again, proper ventilation of the chamber shall be ensured.
Note
Please contact Leica Biosystems for further details on adequate disinfection measures.
2.7
Removing the microtome
• The microtome is encapsulated and therefore does not require removal by the user.
Leica CM1520
for information on disinfection at room
2
Safety
15
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