I had a acl and meniscus repair this morning. When should I start using my cpm and working on my motion range?

I have a femoral blocker going in that leg now. When should I start improving my range of motion and use the cpm machine? My 24 hour instructions are no leg bearing weight. Help?I had a acl and meniscus repair this morning. When should I start using my cpm and working on my motion range?you can't tell that way go to a doctor!!!