Buchi SpeedDigester K-439, Руководство по эксплуатации

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7 Maintenance and repairs
52
K-439
Operation Manual, Version B
7 .2 .1 Breakage of glassware inside a housing chamber
Under rare conditions charged sample tubes or other glassware might break inside a housing
chamber. In such a case strictly follow the cleaning instructions below!
Cleaning under safe conditions
• Switch off the SpeedDigester and unplug the power cord.
• Let the system and the rack(s) cool down completely!
• Carefully remove the installed rack(s).
• Wear safety gloves to dispose of the defective glassware of the rack.
• Use a long forceps to remove residual bits of glass off the housing chamber(s).
• Use a long forceps to dab residual liquid and other components off the chamber(s).
• Wear cut- and acid-safe gloves to wipe out the chamber(s) with wet damp cloth
• Check the surface below the instrument and clean if necessary
Wait for the system to completely dry before reconnecting the device to mains!
7 .2 .2 Liquid ingress into the instrument
In case of liquid ingress into the housing the instrument is not safe to use anymore. Follow the instruc-
tions below to safely bring the instrument into operable condition again.
• Switch off the SpeedDigester and unplug the power cord.
• Use a long forceps to dab liquid off the outer housing parts. Wear safety gloves!
• Carefully remove rack(s) if installed.
➡
Let the system cool down completely!
• Use a long forceps to dab residual liquid off the chamber(s).
• Wear cut- and acid-safe gloves to wipe out the chamber(s) with dry cloth.
• Use a long forceps to clean the chamber(s) with a wet damp cloth.
➡
Call service! Do not reconnect the system to mains
!
WARNING
Death or serious burns by electric current.
• Switch off the instrument
• Disconnect the power cord and prevent unintentional restart
All parts must be completely dried before the system can be checked by a service technician!
An electrical safety test and a functional test must be performed before the system can be used again.