7. Maintenance
MKC-710 85
Care should be taken not to get burned when heating the unit. Do
not try and open solidified jointed parts by force. Glassware may
break into piercing pieces for injury.
Do not warm up a PTFE port plug when removing it as doing so may
inflate the material and the titration flask may be broken.
7-1-2.Replacement of septum
The syringe inlet is removed from a titration cell like the clause of an application of KF
grease. Change the syringe inlet port septum occasionally. An old septum is easily
broken and allows air into titration cell to increase the background.
7-1-3.Changing the desiccant
The desiccant tube is removed from a titration cell like the clause of an application of
KF grease.And the desiccant tube is removed from a bottle holder.
Replace the desiccant with new one when its moisture absorption turns down to
reddish color.Be sure to apply KF grease around sliding area between the titration cell
and desiccant tube .
Desiccant
Sponge
Nozzle tip
< Desiccant tube >
Bottle holder
If the nozzle chip slips from the desiccant tube when replacing the desiccant,
ensure that you return the nozzle chip in the tube with its trenches downward
as shown above.
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