If the board of county commissioners of a county which has adopted either of the appointed forms of county managership determines to remove the manager, the manager shall be given, if the manager so demands, a written statement of the reasons alleged for the proposed removal and a right to a hearing thereon at a public meeting of the board prior to the date on which the manager’s final removal shall take effect. Prior to and during the hearing, the board may suspend the manager from office, but the period of suspension shall be limited to thirty days. The action of the board in suspending or removing the manager shall not be subject to review.