Here is a link to check using the date of manufacture and model and style.
They used a finger pull style and a shin push. Just follow the directions
and they will send you a free kit. It does appear there is a recall for it. http://www.cribrecallcenter.com/recall.asp?pa=1
This crib isn't meant to convert to a toddler bed. Also, you should contact Delta ASAP because this crib was recalled! http://www.cribrecallcenter.com/