CORNING UAT3 Manuel d'utilisation - Page 10

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Side view

b. Snug the thumbscrew finger-tight to close the tool.

NOTE: If the thumbscrew is too tight it may cause the tool to bind

characterized by excessive force required to turn the drive handle

and the tool slipping on the central tube. If the thumb-screw is

too loose the handle will spin easily and the tool will slip on the

tube. If in doubt leave the screw slightly loose as it can easily be

tightened in the following steps.

Final blade depth adjustment:

7.2

It is recommended to adjust the blades to maximize the score

depth without penetrating the tube (Figure 11). This step is critical to

protect the fibers inside the tube.

7.3

With initial blade depths set and the thumbscrew loosely

tightened, advance the tool approximately 6 in (15.24 cm) by turning

the handle in the direction of the arrow marked on the tool (Figure 12).

Correct

Blades

Standard Recommended Procedure 004-074 | Issue 12 | May 2017 | Page 10 of 18

Let the tool ride on "top"

of any curvature

Top view

Tube walls

Fibers

Not to scale

Correct

Top view

Incorrect

Figure 10

Figure 11