Before revision: To work properly, the ferrule must be oriented correctly, in the case of copper olives they are normally barrel shaped and this means they cannot be fitted incorrectly, but where this is not so particularly in Hydraulic and high pressure applications the ferrule is fitted such that the longest sloping face of the ferrule faces away from the nut.
After revision: ,,To work properly, the ferrule must be oriented correctly, in the case of copper olives they are normally barrel shaped and this means they cannot be fitted incorrectly, but where this is not so particularly in Hydraulic and high pressure applications the ferrule is fitted such that the longest sloping face of the ferrule faces away from the nut.