Freeze-dryer Alpha 3-4 LSCbasic
8 Maintenance and service
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Version 11/2018, Rev. 1.9 of 01/12/2021
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Translation of the original operating manuel
Cleaning of the freeze-dryer
WARNING
Risk of burns on hot surfaces
After a drying process, some or all of the surfaces inside the chamber
may still be hot.
There is a risk of burns when touching the surfaces.
• Wear suitable protective clothes and gloves!
• Do not touch the surfaces on purpose!
• Let the chamber cool down prior to commencing the maintenance!
DANGER
Risk of poisoning/infection caused by the products
When performing maintenance work on parts coming into contact with the
product (e.g. all parts inside the chamber, vacuum pump), the personnel
may be exposed to product residues.
Skin contact or the inhalation of particles may cause severe damage to
health depending on the product in question.
• Take suitable decontamination measures prior to commencing the
maintenance!
• Wear suitable protective clothes and gloves!
• Switch the freeze-dryer off by actuating the mains power switch and
disconnect the power cord from the wall outlet before cleaning.
• If the freeze-dryer has been contaminated with toxic, radioactive, or
pathogenic substances, clean the inside immediately with a suitable
decontamination agent (depending on the type of contamination, see
chapter 8.2 - "Disinfection of the drying chamber and accessories").
• Remove product residues thoroughly with a cloth.
• Open the lid/drying chamber when the freeze-dryer is not in use so
moisture can evaporate.
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Cleaning the drying chamber and the cover
The outside of the drying chamber, which is made of real glass, is covered
with a safety film to provide protection against shattering.
NOTE
For technical reasons, inclusions are possible. However, they do not
prevent the film from performing its function.
To prevent the safety film from being damaged, compliance with the
following points is mandatory for cleaning:
•
If the freeze-dryer has been contaminated with toxic, radioactive, or
pathogenic substances, clean immediately with a suitable
decontamination agent (see chapter 8.2 - "Disinfection of the drying
chamber and accessories").
• Clean with plenty of water immediately after use in order to ensure that
all the contaminants are flushed off and not wiped off.
