Abstract: An apparatus for cleaning a disposal chute in a building, the chute having a chute wall, includes a crane and cable assembly; a cleaning fluid spraying assembly suspended from the crane and cable assembly for lowering and raising within the chute; a flexible fluid delivery line suspended from the spraying assembly; and a fluid pump assembly connected to the flexible fluid delivery line. The spraying assembly preferably additionally includes a guide cage having resilient and outwardly bowed vertical support ribs interconnected by lateral support hoops extending substantially parallel to the mounting plate. The apparatus preferably additionally includes at least one cage wheel having an axial wheel port and being rotatably mounted on at least one support hoop for rolling against the chute wall as the spraying assembly is raised and lowered within the chute.