Neither the council, its members, the mayor, nor any council committee shall dictate the appointment to or removal of any person from office by the town manager except as otherwise provided in this charter or in any way interfere with the town manager or other town officer to prevent him from exercising his judgment in the appointment, employment or discharge of officers and employees in the administrative service. Except for the purpose of inquiry, the council and its members, the mayor and any council committee shall deal with the administrative service solely through the town manager and neither the council, its members, the mayor, nor any council committee thereof shall give orders to any of the subordinates of the town manager.