BUCHI KjelDigester K-449 - Manual (Page 47)

7 – 47 Operation Manual KjelDigester K-446/K-449
7 Maintenance
7 Maintenance
All maintenance and repair work described in this manual can be carried out by the operator.
All other tasks must be carried out by trained service personnel. Therefore contact the BUCHI
customer service or the sales representative.
Use only genuine BUCHI consumables and spare parts for maintenance to assure good device
performance, reliability and safety. Any modifications of spare parts or assemblies are only al-
lowed with the prior written permission of BUCHI.
7.1 Maintenance plan
7.1.1 Maintenance as required/after use
No Task
1. Clean the suction module (7–49)
2. Check the sealings and springs (8–57)
3. Check the glass parts:
∙Suction tubes and fume collection tube
∙Check the sample tubes
∙Hose connector on the fume collection tube
(8–58)
4. Clean the sample tubes (7–49)
5. Clean the drip tray
6. Clean the heating block holes with a wire brush
7.1.2 Daily maintenance
No Task
1. Clean the suction module (7–49)
2. Clean the KjelDigester (7–48)
3. Check the glass parts:
∙Suction tubes and fume collection tube
∙Check the sample tubes
∙Hose connector on the fume collection tube
(8–58)
7.1.3 Maintenance every week
No Task
1. Clean the rack
2. Clean the magnets of the rack support with a damp cloth
3. Clean the catchpot clip.
4. Clean the Scrubber hose
(7–49)