Reef lines jammed

[KenAyer]

I have a 2002 Catalina 34 with a 2 reef line main sail.  The reef lines tend to jam when raising the mainsail.  The lines appear free of clutches, etc., but the mainsail is still really hard to raise, even though we're straight in to the wind.  Any help?  I think the turn blocks in the boom need to be lubricated, but don't know how to access them. Just spraying graphite doesn't do it.

[Roc]

Out of curiosity, every time you lower the main and flake it on the boom at the end of a sail, do you pull all the reef lines in to take up the slack?