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1. Open the tensioner foot and place 1 to 2
layers of .002", 1/2" wide (.05 x 12mm)
shim stock between the feedwheel and
the gripper plug. NOTE: Using a single
.004" (.10mm) shim is not recommended
because a single thicker shim may not
conform to the feedwheel shape,
resulting in inaccurate clearance
measurements.
2. Release the tensioner foot to pinch the
shims between the feedwheel and the
gripper plug. Holding the shims with one
hand, jog the air motor on and off to
rotate the feedwheel at least one full
revolution. If properly adjusted the tool
should lightly tug at the shims while
rotating. Clearance between the
feedwheel and gripper plug at this point
should fall between .002"-.004" (.05-
.10mm).
3. If the feedwheel needs to be adjusted,
use a 3/32" hex wrench to rotate the
adjustment screw located in the
tensioner foot.
Turn the adjustment screw clockwise for
greater clearance and counter-clockwise
for less clearance. Turn the adjustment
screw only in 1/8 turn increments. After
each 1/8 turn, repeat the adjustment
testing as described in step 2.
4. Once the proper clearance has been
found the tool can be returned to
service. NOTE: Never turn out the
adjustment screw more than 1/8 turn at a
time without testing or completely
removing the adjustment screw. These
actions will severely damage both the
feedwheel and gripper plug.
12
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