Ridgid R4512 Owners Manual - Page 28

To Check And Align The Spreader, Riving Knife And Saw Blade

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ASSEMBLY TO Check and Align the spreader/ riving knife and Saw Blade See Figure 40. To check alignment of the spreader/riving knife:  Unplug the saw.  Raise the saw blade by turning the height/bevel adjusting handwheel clockwise.  Remove the anti-kickback pawls and blade guard assembly. Place a framing square or straight edge against both the saw blade and the spreader. Note: Place framing square between carbide teeth and measure from blade. This step will insure framing square is square against blade from the front to back of blade.  The saw blade and spreader/riving knife are aligned when the framing square contacts both the blade and spreader/ riving knife evenly with no gaps. If the spreader/riving knife is out of alignment with the saw blade, adjustment is needed. The spreader/riving knife must be in alignment front to back (horizontally) and top to bottom (vertically). To adjust (horizontally):  Remove the anti-kickback pawls and blade guard assembly.  Using a 4 mm hex key, loosen the screws holding the mounting bracket.  Reposition the spreader/riving knife left or right as needed to align the spreader/riving knife with the saw blade.  Once properly aligned, securely retighten all screws. To adjust (vertically):  Using a 2.5 mm hex key, loosen the set screws and screws holding the mounting bracket.  Slowly turn the set screws until the riving knife is aligned with the blade.  Once properly aligned, securely retighten all screws. HORIZonTAL ADJUSTMENT FRAMING SQUARE screw blade SPREADER/ riving knife VERTICAL ADJUSTMENT FRAMING SQUARE SET screwS blade SPREADER/ riving knife Fig. 40 28

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28
TO CHECK AND ALIGN THE SPREADER/
RIVING KNIFE AND SAW BLADE
See Figure 40.
To check alignment of the spreader/riving knife:
Unplug the saw.
Raise the saw blade by turning the height/bevel adjusting
handwheel clockwise.
Remove the anti-kickback pawls and blade guard
assembly. Place a framing square or straight edge against
both the saw blade and the spreader.
NOTE:
Place framing square between carbide teeth and
measure from blade. This step will insure framing square
is square against blade from the front to back of blade.
The saw blade and spreader/riving knife are aligned when
the framing square contacts both the blade and spreader/
riving knife evenly with no gaps.
If the spreader/riving knife is out of alignment with the saw
blade, adjustment is needed. The spreader/riving knife must
be in alignment front to back (horizontally) and top to bot-
tom (vertically).
To adjust (horizontally):
Remove the anti-kickback pawls and blade guard
assembly.
Using a 4 mm hex key, loosen the screws holding the
mounting bracket.
Reposition the spreader/riving knife left or right as needed
to align the spreader/riving knife with the saw blade.
Once properly aligned, securely retighten all screws.
To adjust (vertically):
Using a 2.5 mm hex key, loosen the set screws and screws
holding the mounting bracket.
Slowly turn the set screws until the riving knife is aligned
with the blade.
Once properly aligned, securely retighten all screws.
ASSEMBLY
Fig. 40
FRAMING
SQUARE
FRAMING
SQUARE
HORIZONTAL ADJUSTMENT
VERTICAL ADJUSTMENT
SCREW
SET
SCREWS
BLADE
SPREADER/
RIVING KNIFE
BLADE
SPREADER/
RIVING KNIFE