So I just recieved and installed my zero clearance insert from Grizzly
for my 1023S. I've never used one of these inserts and am concerned.
With the normal insert, when the saw is on, the only noise I hear is
the humming of the motor until I feed the saw some wood. However, with
the zero clearance insert in place and the saw running, I hear the
whining of the blade as it spins, making contact with the insert. Is
this normal? If so, won't this generate enough heat to scorch the
That's how you know when you need to replace the ZCI. When it starts sounding
like the standard insert, but a new ZCI.
Seriously, mine sounds the same way and I have never ruined a blade. But, be
careful to put the standard insert back in before you
tilt the blade. DAMHIKT!
Thanks everyone for the replies, you have eased my mind. My last
question regarding ZCI's are, do most of you just keep this in all the
time (except when mitering or dadoing of course)? Is there any other
reason to use the stock insert?
Almost always. I have a ZCI for 90 degrees, 45, 7, 3/4" dado and a double 90
for mounting 2 rip blades with a spacer for making 2 sides of a tennon in a
For "everything else", I use the stock insert. :-)
Make your own. I used offcuts from some 1/2" cabinet-grade plywood. A couple
of layers of masking tape was all that needed on the bottom to shim them up
Leave it in unless you are tilting the blade.
I made a half dozen from MDF and use them all the time. A few are cut for
dados of common widths. You may find the method that was posted here over a
year ago. It was a simple thing to do tracing the original insert and then
using a router to follow the master. Drill some holes for leveling screws
and you are good to go.
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