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6.4 Aligning the Riving Knife with Blade
The riving knife must be aligned with the blade. If
not properly aligned, the riving knife will force the
workpiece sideways during the cut, increasing the
risk of kickback. Place a straightedge against the
blade and the riving knife and check if the riving
knife is in the "alignment zone," refer to Fig. 24.
Fig. 24
If it is not aligned properly, please adjust as
following (Fig. 25):
1. Disconnect the saw from the power source.
2. Remove the table insert.
3. Loosen the upper and lower cap screws (B),
then adjust the set screws (A) in or out until the
alignment is perfectly parallel, then tighten the
screws (A) and (B).
4. Re-install the table insert.
Fig. 25
1. Riving knives shall be manufactured from steel
with an ultimate tensile strength of 580 N/mm ² or
of a comparable material, have flat sides (within
0.1 mm per 100 mm) and shall have a thickness
less than the width of a cut (kerf) and at least
0.2mm greater than the saw blade plate. As shown
in Fig. 26.
Fig. 26
Key:
e riving knife thickness
b saw blade base
B kerf (width of saw blade cut)
2. The distance of the riving knife from the gear rim
must be between 3 mm and 8 mm measured
radially through the center of the saw spindle. As
shown in Fig. 27.
Fig. 27
3. The highest point of the riving knife must be set
beneath the topmost teeth.
16
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