7 | Cleaning and servicing
Büchi Labortechnik AG
76/102
Operation Manual Pure Chromatography Instruments
u Replace the nebulizer wear band.
u Place the nebulizer to the thrift tube.
u Attach the knurled screws.
u Connect the liquid and gas inlet lines to the
nebulizer.
7.5 Cleaning the check valve
NOTE
Most check valve problems can be solved by pumping a strong solution of liquid
laboratory grade detergent through the check valves at a rate of 20 mL/min for one
hour.
Pumping detergent through the check valves
Materials needed:
Liquid Laboratory Detergent
Isopropanol/Water (50/50) or Methanol/Water (50/50)
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