I think I will need some appropriate wrench(es?) for removing the blade.
.....

You only need one wrench for the Unisaw, and you don't have to overtighten the nut holding the flange and blade. (I also use a dampener.) You just need to snug it and the rotation will spin the nut sufficiently tight.

I'd recommend this - it's a combined nut and flange to hold the blade. It's made my life a lot easier. It allows me to change blades in a matter of seconds, so I rarely use a combination blade. Here's a site that's selling this, and I have no interest blah, blah ...

http://www.tylertool.com/delta-36-20...32-288241267-2