Maintenance and care
multi N/C 2100S (duo, pharma)
76
}
Loosen the hexagon socket screw on the lock holder.
}
Completely unscrew the union nut from the furnace head on the lock.
}
Completely unscrew the hexagon socket screw on the lock holder. Set the
lock down on the analyzer housing.
}
Release the joint connection (3) on the bottom of the combustion fur-
nace connecting the combustion tube with the condensation coil.
}
To do this, unscrew the knurled head screw (1) and remove the fork
clamp (2).
}
Carefully pull the combustion tube out of the combustion furnace toward the top.
}
Remove the three sealing rings, the pressure ring and the union nut from the com-
bustion tube.
}
Remove the used catalyst filling. Check the combustion tube for heavy crystallization,
cracks and burst spots. Only re-use intact combustion tubes.
}
Thoroughly rinse the empty combustion tube with ultrapure water and dry it well.
6.7.2
Filling the combustion tube
NOTICE
Sweat from your hands can reduce the service life of the combustion tube.
Alkaline salts from the sweat of your hands can cause crystallization in the quartz glass
when heating the combustion furnace. This reduces the service life of the combustion
tube.
¡
Avoid touching the cleaned combustion tube with your hands during filling. Wear
protective gloves.
¡
Only fill completely dried combustion tubes.
¡
Wipe off any finger marks with a cloth wetted with pure alcohol.
