SawStop JSS-120A60, Owner'S Manual, Page: 20 / 100

head.
i)
Never use a blade with damaged or missing teeth as this can result in a more serious injury or a
false activation of the brake. Blades with variable spacing between teeth are compatible with the
SawStop safety system, however you must ensure the brake is positioned correctly by rotating the
blade at least one full revolution to be certain that none of the teeth touch the brake.
j)
Never install the blade backwards. The brake might not stop a blade that is installed backwards.
k)
Do not use saw blades or Dado sets that have a lacquer or other coating on the teeth. These
coatings are non-conductive and therefore can reduce the speed at which the system detects
contact. In other words, a coated tooth must cut slightly deeper into the skin for contact to be
detected, resulting in a somewhat more serious injury. Used blades that originally had a coating are
OK to use since the coating is worn away within a few uses. However, SawStop recommends that
you examine each tooth on such blades to confirm that no coating remains.
l)
Blades with depth-limiting shoulders may take longer to stop in the event of an accident than
standard blades, and you could receive a more serious injury. Therefore, SawStop recommends
using blades
without depth-limiting shoulders.
m)
The SawStop safety system is designed for use with standard 10 inch blades with kerfs from 3/32
inch to 3/16 inch. Blades with kerfs much thinner than 3/32 inch should not be used because those
blades might not be strong enough to withstand the force applied by the brake when it activates.
As a result, those blades might deform and stop more slowly in the event of an accident, resulting
in a more serious injury. Blades with kerfs much thicker than 3/16 inch are heavier than standard
1/8 inch kerf blades, and should not be used because they may stop more slowly than standard
blades in the event of an accident, resulting in a more serious injury. Similarly, stacks of two or
more 10 inch blades should
never be used on your SawStop saw as the combined weight of the
blades may be too heavy to stop quickly. If you need to use a blade with a kerf thicker than 3/16
inch, use an 8 inch Dado set with the optional Sawstop 8 inch Dado brake cartridge.
n)
Do not use non-conductive blades, including abrasive blades, blades with plastic hubs, or blades
that have non-conductive teeth. The safety system cannot induce the electrical signal onto a non-
conductive blade, and blades with non-conductive teeth may prevent the system from detecting
contact. Only standard steel blades with either steel or carbide teeth should be used.
6)
Do not use table inserts, guards, fences or other devices which have metal parts that may come into
contact with the blade. Any metal part that contacts the blade may cause the brake to activate. All
SawStop accessories are specifically designed to prevent metal contact with the blade.
7)
Wet, pressure-treated wood may cause the brake to activate. The chemicals used to pressure treat
wood often contain large amounts of copper, which is conductive. When pressure-treated wood is wet,
the combination of copper and water substantially increases the conductivity of the wood. (
see page
49 ) Therefore, allow wet pressure-treated wood to fully dry before cutting. Typically, the wood will
be sufficiently dry if left unstacked in a dry location for 24 hours. If you must cut wet pressure-treated
wood, you can make several cuts in the wettest piece(s) using the Bypass Mode to test whether the
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