Buchi KjelSampler K-377 Manuale Utente Pagina 133

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7 Maintenance
133 K-375/376/377 Operation Manual, Version B
7.5 Yearly maintenance
7.5.1 Replacement of wear parts
Replace the following components:
Seals including the sealing cap of the sampler and the splash protector seal.
NaOH pump and boric acid pump (the other pumps as required).
Dip tube.
pH electrode (if required depending on sample throughput and maintenance of the pH electrode).
Wave spring in the sampler arm.
Hoses inside the distillation unit, especially the ones that make contact with steam, NaOH and
H
3BO3.
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