Placement the tee assembly. Fold the neoprene sleeves more than the assembly and slide the metal bands more than the sleeves. Tighten the nuts with a hex-head driver. Following, basically thrust the pipe to the fitting right up until it reaches the end. The O-ring or gasket Within the fitting https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html