BUCHI Nano Spray Dryer B-90 - Manual (Page 84)

7 Maintenance and repairs
84 B-90 Operation Manual, Version B
! Warning
Death or serious injuries by compressed air and gases.
• Depressurize air and gas circuit first
• Wear safety goggles
Notice
Risk of instrument and instrument damage by liquids and detergents.
• Do not spill liquids over the instrument or parts of it
• Wipe off any liquids instantly
• Use ethanol or soapy water as detergent only
7.1 Customer service
Only authorized service personnel are allowed to perform repair work on the instrument. Authoriza-
tion requires a comprehensive technical training and knowledge of possible dangers which might arise
when working at the instrument. Such training and knowledge can only be provided by BUCHI.
Addresses of official BUCHI customer service offices are given on the BUCHI website under:
www.buchi.com. If malfunctions occur on your instrument or you have technical questions or applica-
tion problems, contact one of these offices.
The customer service offers the following:
• Spare part delivery
• Repairs
• Technical advice
7.2 Housing condition
Check the housing for visible defects (switches, plugs, cracks) and clean it regularly with a damp cloth.
7.3 Glass component conditions
Clean the glass components after each spray process to prolong the lifetime. The glass assemblies
can be taken out and cleaned manually with water and a commercial cleaning agent (e.g. mild soap
solution) or in an ultrasonic bath. Visibly check for damages at all the glass components subsequently.
NOTE
• It is recommended to clean all glass components.
• Regularly check the glassware components for damage and use only glassware in perfect condi-
tion, i.e. glassware without cracks or stars.