the yarn support or pirn 10 essentially comprises means for fastening the pirn without interfering with the outer surface thereof means by which a relative motion is imparted to the pirn relative to a die ring as well as a die ring acting upon the outer surface of pirn 10 in particular pirn 10 is supported by two fastening and centering elements 12 and 14 acting on opposite ends thereof and consisting of cone shaped components that are inserted and forced into pirn end openings at least one of the fastening and centering elements 12 and 14 being controllably movable in an axial direction to place the yarn support to be cleaned in a required operative position and respectively to remove the support after having been wholly cleaned from the reeling waste the reeling waste removal is performed by a die ring surrounding the outer surface of pirn 10 in contact therewith and moved axially substitute thereto referring to the drawings the equipment comprises a main support 16 with which an auxiliary support 18 20 is associated by which the proper die ring is supported along with cutting means designed to act in advance upon the reeling waste without coming.