Swimming pool cleaner

I: \tId\nterwovn\NRPortbl\DCC\TLD\16203599 _.docx-19/12/2017 - 17 A swimming pool cleaner (100) including a body (10) having a debris inlet (11) and a debris outlet (12) and defining an elongate slotted cavity (40) pivotably holding proximal ends (22) 5 of flap members (21) forming a segmented skirt (20) which forms with the pool surface (2) a plenum from which water and debris are drawn into the inlet. The slotted cavity is configured for strain-free insertion of the flap-member proximal ends into the cavity. A removable nozzle (30) within the debris inlet and retaining the flap-member proximal ends in the cavity. A method for inlet to control debris-laden water flow. The cleaner further including a tool-free 10 nozzle-mounting structure (50) at the debris inlet removably retaining the nozzle within the debris inlet and a tool-free wheel-mounting assembly. a plurality ofremovable nozzles are interchangeably secured within the debris inlet, each nozzle having a flow opening sized differently from flow opening(s) of the other nozzle(s) to control debris-laden water flow.