I'm not familiar with this particular saw, but many have a little
"button" near the point where the shaft protrudes from the housing
that fits into a keyway or kerf in the shaft. If there is none,
I'd consider jambing the blade as suggested, then using an air
impact wrench to loosen the bolt holding the blade to the shaft.
Also, be sure to look and see that the bolt is designed to turn
the way you're turning it. For a shaft protruding out the right
side of the motor, it's normally a ccw operation looking toward
the motor from the bolt. For a shaft on the other side, like on a
RAS or many chop saws, the bolt is typically the opposite thread,
as I recall.

Nonny


"Dave - Parkville, MD" wrote in
message
...
On Nov 10, 12:28 pm, Tom wrote:
Black & Decker miter sale model 7715 type 3.

I bought this saw at a garage sale. the seller cut a board,
said it
needs a blade. But, I can't remove the old blade. The armature
of the
motor turns when I try to turn the blade nut. If I "jam" the
blade so
it can't turn, the armature still turns. How do I lock the
motor to
remove the blade?

I don't know if you have the manual or not, but it says to push
the
blade into the table top to keep it from turning. Doesn't sound
like
that will help you much if the arbor is still turning.

http://www.dewaltservicenet.com/docu...type%202-3.pdf



Also, I noticed that that saw was the subject of a recall.

http://www.cpsc.gov/cpscpub/prerel/prhtml88/88071.html


--
Nonny

You cannot make a stupid kid smart by
handing him a diploma. Schools need standards
to measure the amount of education actually
absorbed by children. Don't sacrifice the smart
kids to make the dumb ones feel good about themselves.