Preventive maintenance inspection plan – K-Patents PR-33-S Troubleshooting Guide User Manual
Page 9
TROUBLESHOOTING GUIDE
FOR PR-33-S AND PR-33-AC
9 (10)
January 9, 2015
K-PATENTS OY
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Postal Address: P.O.Box 77, FI-01511 Vantaa, Finland
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Street Address: Elannontie 5, FI-01510 Vantaa, Finland
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Tel. int.+358 207 291 570
Fax int.+358 207 291 577
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www.kpatents.com
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VAT No. FI03035575
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Business ID 0303557-5
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Registered in Helsinki
instrument).
Solution: Clean the prism of the sensor carefully and check the optical image. Proceed with the built-in
verification procedure. If the verification fails, the instrument needs to be inspected by qualified person
before recalibration.
Figure 9
Verification procedure for checking the calibration
Preventive maintenance inspection plan
Generally, the instrument is maintenance free, but in order to ensure a functioning K-Patents instrument, the
following preventive maintenance inspection plan is proposed. The weekly PMI plan includes only recording
of the diagnostic values without any service procedures. The annual plan includes also the verification
procedure and prism check for scaling or wear. In addition, there are some specific applications such as
aggressive solvents that require replacement of the flow cell o-ring gasket every 3 months.