A federal judge has tentatively approved a class-action settlement on behalf of Sears customers who bought riding lawnmowers prone to catching fire.The class alleges some of the Craftsman riding lawnmowers they purchased went up in flames because of a faulty fuel system.The proposed agreement will offer affected customers free in-store inspections and repairs of riding lawnmowers purchased between 2009 and 2015. The monetary value of the settlement will depend on how many plaintiffs file claims.U.S. District Judge Manish S …