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To secure workpiece using vacuum table:
1.
Inspect workpiece and ensure bottom of
material is flat. Joint or plane bottom of
workpiece if needed.
Note: Porous material and workpieces with
knot holes may not create a tight enough seal
for vacuum table to function.
2.
Clear dust, wood chips, and tools from table
surface and T-slots with wet/dry vac or dust
collector.
3.
Position workpiece on table so that it covers
as few vacuum zones as possible.
— If workpiece does not fully cover vacuum
zones it is over, use included gasket
tube to seal the outside of the workpiece.
Arrange tube on table so it fits just under-
neath outer edge of workpiece, then cut
tube to size (see Figure 37).
Figure 37. Gasket tube cut to size to seal
workpiece to vacuum zone.
— If workpiece does not cover all vacuum
ports in zones it is in, place flat scrap
material over uncovered ports.
Model G0895 (Mfd. Since 01/20)
4.
Only open vacuum valves (see Figure 38)
for each zone covered by workpiece. Close
all other vacuum valves, and plug all unused
vacuum ports.
Figure 38. Vacuum zone control valves.
Note: Using as few zones as possible and
turning off unused zones will improve vacu-
um strength and better secure the workpiece
to the table.
5.
Turn vacuum pump ON.
6.
Push edge of workpiece with moderate pres-
sure to verify workpiece is properly secured
by vacuum system with enough strength to
withstand cutting forces.
— If workpiece is not well secured, repeat
Steps 1–6. If workpiece is still not secure,
use hold down clamps to augment vacuum.
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