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06

Testing Material Preparation (Sanding)

1) Ensure the testing shoe material, (supplied by the HCPA),
is properly attached to the test shoe assembly.

2) Take the 9x11 inch wet/dry 400 grit automotive
sandpaper and place it flat on the work table as
1 2 3
shown in (figure 3).
3) Position the testing shoe assembly near the top of the
400-grit sandpaper.

4) While dragging the shoe material over the sandpaper,
avoid applying any downward pressure on the test shoe
assembly.

5) Rotate the test shoe assembly 90° and REPEAT STEP (4).
4 5 6
6) Dry brush the coarse residual material away from the
test shoe.

7) Dry wipe the test shoe material over a fresh paper towel
to remove residual material.

8) Rotate the testing shoe assembly 90°

9) Dry wipe the test shoe material over a fresh paper towel
to remove residual material. Your test shoe material is 7 8 9
now ready for use in testing.