BUCHI SpeedDigester K-439 - Manual (Page 50)

7 Maintenance and repairs
50 K-439 Operation Manual, Version A
7 Maintenance and repairs
This chapter gives instructions on maintenance work to be performed in order to keep the instru-
ment in a good and safe working condition. All maintenance and repair work requiring the opening or
removal of the instrument housing must be carried out by trained service personnel and only with the
tools provided for this purpose.
Note
Use only genuine consumables and spare parts for any maintenance and repair work in order to
assure warranty and continued system performance. Any modifications of the SpeedDigester K-439
or parts of it need prior written permission of the manufacturer.
! WARNING
Serious chemical burns by corrosives.
Observe supplementary data sheets of all used chemicals •
Handle corrosives in well ventilated environments only •
Always wear protective goggles •
Always wear protective gloves •
Always wear protective clothes •
Do not use damaged glassware •
! WARNING
Death or serious burns by electric current.
Switch off the instrument, disconnect the power cord and prevent unintentional restart before •
touching the heating elements
Do not spill liquids over the device
•
! CAUTION
Risk of minor or moderate cuts when handling damaged glass parts.
Handle glass parts with care •
Visually inspect every glass part for good condition before mounting •
Exchange damaged glass parts immediately •
Do not touch cracks or bits of broken glass with bare hands •