OLDSMOBILE CUTLASS AIR CONDITIONER ORIFICE TUBE

I Have Put A New Compressor But No O Ring Seal Or A Ac Orifice Tube How Do I Put The Orifice Tube At And Is It Too Late To Put Everything...

New Compressor/new Acumulator/new Orifice Tube Filter/ Vacumed Down/2 Oz. Oil In Compreessor/4 Oz. In Accumulater Pump Cycles Wont Keep...