Be sure to obtain the free repair kit for that recalled crib by calling Cosco, and I assume they could also provide you the assembly manual.
Quoting from the web link shown:
The recall program involves crib models 10T01, 10T04, 10T05, 10T06, 10T09, 10T11, and 10T14. The manufacturer's identification, which includes the model number, is located at the bottom of the horizontal rail of either the drop side or fixed side rail of the crib. Cribs with a manufacture date code between 4490 (44th week of 1990) and 4093 (40th week of 1993) are included in this recall.
Consumers who own the recalled cribs should stop using them and contact Cosco at (800) 314-9327 for a free repair kit.
CPSC And Cosco Inc Announce Crib Recall