Miele G 7881 Operating Instructions Manual page 9
Dental thermal disinfector
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- Operating instructions manual (72 pages) ,
- Installation and operating instructions manual (76 pages)
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Instruments suitable for processing
in the thermal disinfector
In general, only high quality stainless
steel instruments are suitable for
processing in the G 7881. All
instruments, accessories and other
items to be cleaned and disinfected in
the machine should have the following
properties:
– heat resistance to a temperature of
up to 95°C / 203°F.
– corrosion resistance in the presence
of heat and alkalinity.
The heat retention capacity of stainless
steel allows for fast drying. Plastic has a
lower heat retention capacity, thus
requiring a longer drying time. In this
case, a slightly extended waiting period
of 5-15 minutes may be necessary after
the disinfection cycle.
Aluminum instruments may discolor
during the cleaning process. Aluminum
has only a limited suitability for
processing in this system.
Carbon steel and chrome-plated
instruments may corrode during the
cleaning process. Processing these
types of instruments in the G 7881 is
not recommended.
Handpieces, drill bits, grinders, root
canal instruments or other rotating
instruments are not suitable for the
thermal disinfector. Do not process
them in the thermal disinfector.
Do not clean fiberoptics or electrical
equipment or components in the
thermal disinfector.
Description of the machine
Rhodium coated mirrors must be
arranged so that their surfaces do not
suffer any mechanical damage. Not all
specula with glass are suitable for
machine treatment.
If you have questions regarding
whether an instrument is suitable for
processing in the G 7881 Dental
Disinfector, please seek the advice of
the instrument manufacturer.
Water quality
Good water quality is essential for
processing instruments in the dental
washer disinfector. Otherwise,
instrument corrosion may result.
Poor water quality consists of, but is not
limited to, high concentrations of
chlorides (over 50 ppm). High chloride
levels will cause even high quality
stainless steel instruments to rust when
processed in the machine. Other
effects that may be noticed are
tarnishing or "blueing" of instruments
due to dissolved minerals in the water.
If you notice any of the above
symptoms in your instruments, please
contact a Miele Applications
Specialist at:
(800) 991-9380 Extension 2426
9
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