Does anyone have or know where I can find the schematic for this reel
This is a very similar model:
http://assetsstage.okumafishing.com/schematics/CD-55a--PSOKA0731055F01.pdf (http://assetsstage.okumafishing.com/schematics/CD-55a--PSOKA0731055F01.pdf)
Should be close enough - There are lots of similarities between various Okuma models.