Steam cleaning machine

A cleaning machine comprising a vacuum head mounted on a main support housing, a removable waste recovery tank mounted under the vacuum head and slidable in and out of the main support housing, a clean water tank, a spray nozzle connected to the clean water tank for spraying water on a carpet, a water pump for pumping clean water from the clean water tank the spray nozzle, and a vacuum nozzle connected to the vacuum head for drawing water sprayed on a carpet by the spray nozzle into the recovery tank, said clean water tank having a top a bottom and front, rear and side walls, said removable waste recovery tank and main support housing mounted on the top of the clean water tank, said bottom of the clean water tank upwardly bowed towards the top on the inside of the tank, said upwardly bowed bottom forming a cavity on the outside of the tank within which is saddled a pan upon which is mounted the spray nozzle and the water pump and within which is mounted the vacuum nozzle, said cavity having a top, and front and side walls and being open opposite the top and front walls, said front wall of the clean water tank being longer than the side walls of the clean water tank and flared downwardly and forwardly, said front wall of the cavity flared downwardly and forwardly at a steeper angle than the front wall of the clean water tank.