7 Maintenance and repairs
51 K-439 Operation Manual, Version B
NOTICE
Risk of housing 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 General condition and cleaning instructions
Check the housing for visible defects (switches, plugs, enclosure etc.) and clean it regularly under safe
conditions with a damp cloth.
Cleaning under safe conditions
• Switch off the SpeedDigester and unplug the power cord
➡ Let the system cool down completely!
• Check all sealings and tubes for good condition (e.g. signs of mechanical stress and or brittleness)
and proper sealing. Exchange defective parts!
• Clean all sealings with distilled water.
• Disconnect all tubings / connectors and rinse them thoroughly with water.
!
WARNING
Death or serious burns by electric current at cleaning.
• Switch off the instrument
• Disconnect the power cord and prevent unintentional restart
• Wait until the instrument is completely dry before reconneting to mains
All parts must be completely dried before the system can be connected to mains again!
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