Method of using a hose connector template on a railcar

Abstract

The present invention relates to a method of using an apparatus for restricting access to ports that may be disposed in a bonnet that houses valves on a railcar. More specifically, the present invention relates to a method of using a template that may be lowered over the bonnet of the railcar wherein the template has a plurality of differently-sized holes to allow access to specially-sized nozzles. In addition, the valves may be eduction valves and/or vapor valves, and the apertures may allow a specific-sized nozzle to have access to the eduction valves, the vapor valves or both. The template may lower onto the bonnet via a frame that may be pivotally attached to a structure. Further, joints and bearings may be provided to allow the template to be movable so as to precisely fit over the bonnet of the railcar.

Dependencies are inferred from the claim text.