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using emulsions formed from mixing water and drilling oil is also satisfactory. To check the
operation of the cooling system, slightly loosen the bottle cap, open the valve using the
lever, and initially apply pressure on the pilot pin by rotating the spoke handles
counterclockwise. The fluid should fill the system and should begin flowing from the inside
of the cutter.
The cooling system works by means of gravitation, therefore use
a cooling paste when working in horizontal or inverted positions .
Enter into manual feed mode by positioning the spoke handles as shown in Figure 8a, and
rotate them counterclockwise to place the tip of the pilot pin above the drilling point.
Figure 8. Configuration of the spoke handles: manual feed (a), automatic feed (b)
3.5. Drilling
Start the motor by pressing the green MOTOR button. Slowly rotate the spoke handles
counterclockwise to bring the cutter close to the workpiece. Then, gently begin drilling and
enter into the automatic feed mode by setting the spoke handles in the position shown in
Figure 8b. The drilling machine will automatically detect the end of the drilling, which will stop
the feed after the hole is accomplished, however, the motor will still be rotating.
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