Buchi Pure C-810 - Cleaning the Instrument System

Büchi Labortechnik AG
Cleaning and servicing | 7
Operation Manual Pure Chromatography Instruments
77/102
Navigation path
➔ Tools ➔ Manual Control ➔ Column Flushing...
Precondition:
R A bypass is installed. See Chapter6.4.4 "Installing and removing a column",
page58
u Navigate to the Column Flushing dialog according to the navigation path.
Sonicate the check valve
Materials needed:
 Open-end wrench, ½”, 9/16" x 5/16"
 Torque wrench
u Switch the On/Off master switch to Off.
u Disconnect the mobile phase tubing from the inlet (bottom) of the pump head
using the 9/16” open-end wrench.
u Disconnect the mobile phase outlet tubing from the top of the pump head using
the 5/16” open end wrench.
u Remove both check valve housings from the pump head using the ½” open-end
wrench.
ð The check valve capsule is accessible.
u Sonicating the check valve for 10 min in the appropriate solvent.
u Install the check valve.
u Install the check valve housings back into the pump head.
u Tighten the check valve housing to 75 inch pounds with the ½” torque wrench.
7.6 Cleaning the instrument
Navigation path
➔ Tools ➔ Manual Control ➔ Column Flushing...
Precondition:
R A purging solvent is assigned to the instrument. See Chapter5.7 "Assigning
solvent to solvent lines", page26
u Install a bypass. See Chapter6.4.4 "Installing and removing a column", page58
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