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-8- Shop Fox
®
C. Face Plate
The Shop Fox
®
is a precision right angle fixture and
should be exactly perpendicular to your table surface.
To check the accuracy of the Face Plate:
1. Place the Shop Fox
®
in an appropriate miter slot
and place a high quality machinist’s square against
the table and face plate. Figure 5.
2. If the face plate is not 90° to the table surface,
determine whether it is pitching toward or away
from the table surface.
3. Loosen the six (6) cap screws that secure the two
hand holds to the sliding table. Pitch the face plate
in the desired direction by the degree necessary for
a perfect 90° angle. Do not loosen the face plate
screws. Keep the hand hold and face plate screwed
tightly together so no compounding errors occur.
4. Shim accordingly and re-tighten the cap screws.
5. Recheck with a machinist’s square.
D. Miter Bar
The miter bar is made to fit standard
3
/8" x
3
/4" miter
slots. Some machine manufacturers will deviate from
this standard, however, and some slight modification
of either the bar or the slot will be necessary.
1. Fit the miter bar in the miter slots of each of your
machines. For each machine, note whether the fit
is tight or loose. Hint: make modifications to your
miter bar or slots only after you have tested each
one. If, for example, the bar fits into 3 of your
machines perfectly, but it is too tight in the fourth
machine, then you should modify the width of the
fourth miter slot. It would be counterproductive
to alter the bar to fit the fourth slot because then
it would no longer fit in the other three slots. You
will only know this after testing all the relevant
machines.
2. If the bar feels loose:
a. Measure the clearance with a 0.005" feeler
gauge.
b. If the feeler gauge will fit between the bar and
the slot, make a series of light punch marks
along the side of the bar or the slot, depending
on which you have decided to alter.
c. If the resulting fit is too tight, brush the punch
marks lightly with emery cloth or fine file.
This should fine-tune the fit of the bar.
3. If the bar is too tight or does not fit at all:
a. Use a fine file to make sure there are no dings
or burrs on the bar or in the slot.
b. If the bar still binds, remove more material
either from the bar or the miter slot.
Figure 5. Checking for square.