The document provides instructions for using a C38rs sewer nozzle with a 3-side jet carriage to cut tree roots inside sewer pipes. It describes marking reference points on the hose to position the nozzle 100mm in front of blockages. The user is instructed to slowly twist and turn the hose between the reference points to cut roots with the 3 side jets of the nozzle. Proper installation of the rotor swivel component is also outlined.