To clean the dove first cut its wings and then its head using shears. Pluck feathers from its breast. Press at the point where breast bone meets the back and break the skin. Pull the body in half and separate the breast from back. Remove its guts and clean the inside with cold water.
A bucket of warm tap water will suffice enough to get the bird prepped for cleaning. A medium-sized knife and proper understanding of what is meat and fat as well.
Assuming you can clean it like a chicken, slit it's throat to drain the blood. Pluck the feathers and remove the internal organs, or save them in water if you plan on eating them later.
My grandma told me first Cut the wings off at the base then Place the dove in your palm with the breast up and the head away from you. Find the soft spot underneath the breast and stick your thumb. wash it clean before use.