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Model W1779 18 Gauge Stapler Kit
-9-
5. Pull the trigger.
— If the staple drove into the wood
far enough, continue with your
intended operations.
— If the staple either went too far
or not far enough, then adjust the
air pressure. More air pressure
will increase staple depth, less
air pressure will decrease staple
depth.
Deflection is caused when grain
irregularities, knots or foreign objects
inside the wood cause the staple
to change its path, resulting in the
staple puncturing the surface of the
workpiece, as shown in Figure 5.
Besides damaging your workpiece,
deflection can cause injury if your
free hand is securing the workpiece in
the location that the staple deflects.
Figure 5. Example of staple deflection.
The stapler is designed to fire one staple
at a time, or one after another, using the
trigger switch—this is known as "bump
fire."
To operate your stapler in single fire
mode, do these steps:
1. Push the trigger switch OUT, as
shown in Figure 6.
Single/Bump Fire
Operation
Figure 6. Trigger switch, single fire
mode.
2. Depress the safety mechanism against
the workpiece.
3. Pull the trigger, then remove your
finger from the trigger after the
staple is driven.
DO NOT place your hands near the
staple point of entry. A staple can
deflect and tear through the surface
of the workpiece, puncturing your
hand or fingers.