48
C. Gerhardt GmbH & Co. KG
15.2. Service and cleaning
Condensate that might escape is collected in the drip tray. Please clean the drip tray regularly.
Regularly check the state of the tubing and tubing connections and change if damaged.
To minmize malfunctions of the Vapodest 50, we recommend to have it checked by authorized ser-
vice personnel regularly.
15.3. 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
0s
Addition H
2
O13s
Adition NaOH 0 s
Reaction time 0 s
Distillation time 7 min
Steam power 100 %
Suction time 20 s
Place an empty digestion tube and an Erlenmeyer flask 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.
15.4. Trouble shooting
The excess current switch cuts off in case of excessive current consumption. Switch on the excess
current switch again. If this problem reoccurs, call service!
In case of breakdown or failure of your extraction unit, please contact your local dealer or:
C. Gerhardt GmbH & Co. KG
Bornheimer Straße 100
D-53119 Bonn
Tel.: + 49 (0) 228 / 98179-17 Vertrieb/Office
+ 49 (0) 228 / 98179-16 Service
Fax: + 49 (0) 228 / 98179-60
e-mail: Info@Gerhardt.de
Subsidaries:
C. Gerhardt UK Ltd.
Unit 5, Avonbury court, County Road, Brackley,
Northants NN13 7AX
Tel.: 0044-1280-706772
Fax: 0044-1280-706088
e-mail: Info.Gerhardt@pop3.hiway.co.uk.
MAINTENANCE
C. Gerhardt France s.a.r.l.
9, rue du 11 novembre
78690 Les Essarts le Roi
Tel.: 0033-1-30464100
Fax: 0033-1-30464101
e-mail: gerhardt@wanadoo.fr
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