Bite the bullet and take the blades out completely. If the blades are interfering, but you can't see where, you need a major blade reset anyway. And if the problem is not the blades, you would want to remove the blades to get at the problem (bearing?), just so you don't cut yourself anyway.
Answers & Comments
Bite the bullet and take the blades out completely. If the blades are interfering, but you can't see where, you need a major blade reset anyway. And if the problem is not the blades, you would want to remove the blades to get at the problem (bearing?), just so you don't cut yourself anyway.