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Vapodest 50s carousel
15 Maintenance
Please make sure that only original C. Gerhardt spare parts are used.
To minimize malfunctions of the VAPODEST, we recommend having it checked
by authorized service personnel annually.
15.1. Service and cleaning
Make sure to wear gloves at all times when cleaning the components.
To avoid damage by corrosion, leaking liquids (especially acids and alkali) must
be wiped off and neutralized immediately to prevent damage to casting, lacquer
or housing.
Never use abrasive cleaners! In most cases it will be sufcient after each use
to clean the plates using a moist cloth and some household washing-up liquid.
Subsequently rub dry.
Condensate that might escape is collected in the drip tray. Please clean the drip
tray regularly.
To clean the carousel tray take out the carousel as described in chapter 10.3.1.
and clean the tray.
Regularly check the state of the tubing and tubing connections and exchange
them if damaged.
To minmize malfunctions of the Vapodest 50s carousel, we recommend to have it
checked by authorized service personnel regularly.
15.1.2. Cleaning program
Glass parts and suction pump should be cleaned before long periods of non-usage
(i.e. holidays). This way blockages caused by crystalline deposits are avoided.
The following program should be run:
Addition H
3
BO
3
0 ml
Addition H
2
O 120 ml
Addition NaOH 0 ml
Reaction time 0 s
Distillation time 7 min
Steam power 100 %
Suction time 20 s
Place an empty digestion tube and an Erlenmeyer ask into position, and start the
program. In case of extreme deposits in the glassware you can clean the system
by putting about 10 ml of sulphuric acid into the digestion tube.
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