This is where you see how to fit Safalla Arm to tanker, And fix tongue in head off Safalla Arm.

    Cut round the white dotted line and remove the piece that is cut off .You will see the old tongue, Cut off the old bushing that hold the old tongue in place , Clean the side where the new tongue
     bushing are going to be welded on ,Slide in the new tongue with the piece off steel tact on to set it in the right place , Weld the new bushing to the side off the head , Then remove the peace off           steel that was tact on to set tongue , Clean around where you cut the piece off the head so you can weld it back in place. Then clean the weld and paint head again.