Neither Council nor any of its members shall direct or request the appointment of any person to, or his or her removal from office by the City Manager or by any of his or her subordinates, or in any manner take part in the appointment or removal of employees in the administrative service of the Municipality, except at the request of the City Manager. Except for purposes of inquiry, Council and its members shall deal with the administrative services solely through the City Manager and neither Council nor any member thereof shall give orders to subordinates of the City Manager, either publicly or privately.