
7 Maintenance and repairs
48 K-415 Operation Manual, Version B
7.12 Silencer
Replace the silencer once a year.
7.13 Functional test
A functional test to check whether the bypass valve functions properly and if the complete system of
the K-415 is tight can be performed by your service technician. Please contact your BUCHI service
center concerning this matter.
7.14 Customer service
Only authorised service personnel are allowed to perform repair work on the instrument. These
persons have a comprehensive technical training and knowledge of possible dangers which might
arise from the instrument.
Addresses of official BUCHI customer service offices are given on the BUCHI website under:
www.buchi.com. If malfunctions occur on your instrument or you have technical questions or applica-
tion problems, contact one of these offices.
The customer service offers the following:
• Spare part delivery
• Repairs
• Technical advice
• Troubleshooting
• Instrument qualification (IQ) and operative qualification (OQ)
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