My Jet Contractor's saw does not have a flat on the blade shaft. To hold
the blade while tightening or loosening I have the following shop made
Take a 1 x 4 about 17 inches long. Place two 8 x 1" round head brass
wood screws 3/4 " from one edge of the board, 4 inches from each end,
leaving enough shank exposed to slip into a slot on the blade.
It is used by holding along the blade with the screw in a slot on the
side of blade that would be forced downward by loosening the blade. When
tightening slide the board so that the other screw holds the downward
force on the blade.
Drill a hole in one end to hang it by and Bob's your uncle.
Not to rain on your parade, Gerald, but using any kind of mechanical holder
that applies stress at one particular tooth is definitely not recommended.
I've read this caution in manufacturer's literature (I think it was with my
woodworker II papers). The simplest, yet highly effective advice I read was
to grab a heavy rag, wrap it around the blade and grasp it tightly. It
doesn't put any stress on the blade teeth and its easily available (and
I've used that technique with good results. When the blade gets tight
enough, the clamp slips.
I have since moved to the leather glove technique. I just like it
better, but can't really explain why <G>
For years I had used a wood block jammed against the teeth to hold the
blade. This puts stress on a single tooth, but never saw any problem.
The screw is not against a tooth, but in the slot between groups of
teeth. But point well taken, I won't forget my umbrella.
Bob Davis wrote:
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