Resonance R16M Mode D'emploi page 134

Use the pipe cleaner provided to clean the two tubes by simply sliding it into them.
To reassemble the probe, put the tubes with the adapter into the probe body and then screw the
conical part onto the probe body.
Place the adapter into the probe body by matching the two parts.
Care should be taken when reassembling the conical probe tip, it can easily be cross-threaded.
Tighten to achieve an airtight seal.
R16M User's Manual – Page 134