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Riser Block Assembly Details
3/s" Through
hole ----\
l " dia. counterbore
17+" deep
#rr
TFE
Build the Riser Blocks
Like the saw's mounting bolt locations
and the platform size itself,
the height of the riser blocks must
be matched to the height of your
miter saw table. The average
seems to be between 3rr to 4" (my
Milwaukee measured in at 3l/z'r),
and the stacklaminated construction
of the riser blocks lets you tailor
them to fit (Riser Block
Assembly Details).
I started by gluing up a pl1'wood
sandwich (four layers of 3/+rr) into
a l0rlsquare block. Then I set up
the table saw to dado the shallow
notch for the cutoff fence, and cut
the block into individual sections
afterward (Figure 12).
You'll also need to counterbore
and drill each riser block for the
cutoff fence's hold-down hardware
(Figure 13). Install the bolts, flat
washers, and T-nuts before you
complete the assembly of the riser
blocks, because the base plate will
block access to the hole later.
Using solid wood base plates for
the riser blocks allows you to finetune
the height to match your saw
table. Fasten them to the riser
block laminations with screws
only. If you ever want to mount a
saw with a different table height,
you can simply remove the base
plate and substitute a thicker or
thinner one. Before you install the
riser block assemblies, position
the saw on the platform, then
mark and drill for the mounting
hardware. Bolt the saw down, and
place the cutoff guide fence or a
straightedge against the saw fence
so you can align the front of the
Approx. 23l+" of
bolt exoosed above
sAa', x 4lz,'
two main riser blocks.
bolt
(full-thread) -
3Y2"
L
5lo" T-Nut
5/rc"
star knob
(End View)
sla" tlat
wasner
N0TE: Use 472" bolts on the two
main riser blocks (on platform); use
4" bolts on riser blocks on outriggers.
riser block notches (Figure 14).
Mark the placement of each riser
block base plate on the platform,
then fasten the assemblies in place
with screws. Follow the same procedure
for installing the riser
blocks on the outrigger supports.
Laminate a plywood sandwich for the riser Counterbore and drill through the riser
blocls and dado a shallow notch for the block for the hold-down hardware. The
cutoff rail, Then rip into individual sections. bolts lock in place with help from a T-nut.
Place straightedge
against saw fence.
After you mount the saw and mark ib position, use a straightedge to align ib fence with
the notches in the riser block. Ma* the riser base positions and screw them in place.
Workbench I December 1997 +/