Thermo Scientific Nicolet Summit User Manual page 74

Thermo Scientific
Note If your instrument is purged, leave the purge on while you replace the windows
to prevent ambient air from entering the spectrometer.
2. Remove any sampling accessory from the spectrometer.
3. Remove the first installed window.
a. Line up the three ribs on the window replacement tool's inside rim with the notches
in the outside rim of the first installed window.
Note The window fittings are tight. Use one hand to stabilize the instrument and
the other to remove the window.
Replace the Sample Compartment Windows
Nicolet Summit User Guide 70