BUCHI SpeedDigester K-439 - Manual (Page 52)

7 Maintenance and repairs
52 K-439 Operation Manual, Version A
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.