1. Setting up and using the sap extractor1:
Make sure that the rollers are completely clean and that the flushing system for cleaning the rollers between
samples is connected to a high pressure source of de-ionized water. If you can only use tap water to flush the
rollers, make sure that you finally rinse them thoroughly with de-ionized or dH2O between samples. Always
wipe the rollers dry using clean, soft tissue paper before initiating the following sample extraction.