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4065 Table Saw OLIVERMACHINERY.NET
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Test 3: Riving Knife Alignment Inspection
1. Place a straight edge across the table
opening and against the saw teeth. Make
sure the riving knife is in parallel with the
blade and it is staying within the alignment
zone. Repeat the check on the other side of
the saw blade.
The alignment zone represents the slot of a
workpiece cut by the blade. If the riving knife
drifts beyond the alignment zone, it will
either catch the workpiece or push the
workpiece sideways. This will increase the
risk of kickback and impact cut quality.
2. Check the height of the riving knife. It needs
to be 1-5mm (approx. 3/64” -13/64”) BELOW
the saw blade. This ensures the riving knife
does not catch the workpiece and provides
maximum protection against kickback.
3. Check the distance between the riving knife
and the saw teeth. It should have a clearance
between 3-8mm (approx. 1/8” -5/16”). This
ensures there is enough room to clear the
sawdust and wood chips.
Test 4: Spreader Alignment Inspection
1. Remove the riving knife and install the blade
guard assembly. Make sure the pins on the
mounting bracket fit through the holes on
the spreader.
2. Loosen the blade guard locking knob and
remove the blade guard.
3. With only the spreader mounted, use a
straight edge to verify the spreader aligns
with the blade and stays within the
alignment zone.
4. Reinstall the blade guard and lower the
blade completely before conducting the
motor and switch test.