A cleaning tool connector assembly for connecting a cleaning tool to a surface maintenance machine, the cleaning tool connector assembly comprising: a tool adapter for releasably engaging the cleaning tool with the surface maintenance machine, the tool adapter having a tool adapter interface, wherein the tool adapter is releasably connectable to a hub of the surface maintenance machine, and wherein the tool adapter interface is of complementary shape to the hub such that the tool adapter has one or more predetermined rotational orientations with respect to the hub in which the tool adapter is engageable to interlock the rotation of the hub with the tool adapter; a spring-loaded clip positioned on the tool adapter, the spring-loaded clip being configured to lock the tool adapter to the hub after the cleaning tool is loaded to the surface maintenance machine; and an aligning receptacle coupled to the tool adapter, the aligning receptacle having a receptacle opening for receiving the hub, the aligning receptacle being positioned between the hub and the tool adapter when the tool adapter is connected to the surface maintenance machine, wherein: the aligning receptacle is adapted to change the rotational orientation of one of the hub and the tool adapter relative to the other of the hub and the tool adapter when connecting the tool adapter to the hub, into one of the one or more predetermine relative rotational orientations to interlock the rotation of the hub with the tool adapter; and/or wherein the aligning receptacle includes a portion having a chamfered surface directed in a generally downward direction and oriented in a generally radially inwardly direction toward a receptacle axis, the aligning receptacle is adapted to self-centre and seat the hub into the receptacle opening and thereby engage the cleaning tool to the hub such that the receptacle axis is coaxial with the rotational axis of the cleaning tool. a tool adapter for releasably engaging the cleaning tool with the surface maintenance machine, the tool adapter having a tool adapter interface, wherein the tool adapter is releasably connectable to a hub of the surface maintenance machine, and wherein the tool adapter interface is of complementary shape to the hub such that the tool adapter has one or more predetermined rotational orientations with respect to the hub in which the tool adapter is engageable to interlock the rotation of the hub with the tool adapter; a spring-loaded clip positioned on the tool adapter, the spring-loaded clip being configured to lock the tool adapter to the hub after the cleaning tool is loaded to the surface maintenance machine; and an aligning receptacle coupled to the tool adapter, the aligning receptacle having a receptacle opening for receiving the hub, the aligning receptacle being positioned between the hub and the tool adapter when the tool adapter is connected to the surface maintenance machine, wherein: the aligning receptacle is adapted to change the rotational orientation of one of the hub and the tool adapter relative to the other of the hub and the tool adapter when connecting the tool adapter to the hub, into one of the one or more predetermine relative rotational orientations to interlock the rotation of the hub with the tool adapter; and/or wherein the aligning receptacle includes a portion having a chamfered surface directed in a generally downward direction and oriented in a generally radially inwardly direction toward a receptacle axis, the aligning receptacle is adapted to self-centre and seat the hub into the receptacle opening and thereby engage the cleaning tool to the hub such that the receptacle axis is coaxial with the rotational axis of the cleaning tool. the aligning receptacle is adapted to change the rotational orientation of one of the hub and the tool adapter relative to the other of the hub and the tool adapter when connecting the tool adapter to the hub, into one of the one or more predetermine relative rotational orientations to interlock the rotation of the hub with the tool adapter; and/or wherein the aligning receptacle includes a portion having a chamfered surface directed in a generally downward direction and oriented in a generally radially inwardly direction toward a receptacle axis, the aligning receptacle is adapted to self-centre and seat the hub into the receptacle opening and thereby engage the cleaning tool to the hub such that the receptacle axis is coaxial with the rotational axis of the cleaning tool.