Cutting injuries
Broken glass
− Sample tubes and reagent tubes are made of glass and can break. Broken
glass can cause cutting injuries.
• Please check reagent tubes and sample tubes for any damage before
use.
• Please wear protective gloves and goggles when handling with
reagent tubes and sample tubes.
• Replace damaged reagent tubes and sample tubes.
• Do not touch broken glass with unprotected hands.
The dust trap is a glass tube which is only filled with glass wool and a sinter filter in order to
reduce the dust pollution for the analyser.
If the glass wool is coloured black over a length of 2/3 of the filling, it must be replaced. Further
information on removing the glass tube can be found in the Section „Removing and installing of
reagent tubes“ and „Filling of reagent tubes“
Remove the discoloured glass wool with tweezers and refill a suitable amount of fresh glass
wool.
In the case that the entire pipe and the sinter filter are coloured black, remove the sinter filter for
cleaning (please see Section 9.7.1) and add new glass wool.
NOTICE
It is not necessary to let the pressure out of the system when removing the dust trap.
9.2.1 Cleaning the sinter filter
The sinter filter may be cleaned as soon as the dust trap has been removed. The cleaning of
the filter is carried out in two steps:
• Wipe the removed filter with a paper towel in order to remove any particles which are not
bound in the filter and clean the O-rings of the filter.
• Clean the prepared filter in the ultrasonic bath.
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