BUCHI KjelSampler K-377 - Manual (Page 133)

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
3
BO
3
.