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DD40P
4.3 Chip extraction
For all work that produces a significant amount of dust, connect the machine to a suitable external extraction
device. The air velocity must be at least 20 m/s [65 ft/sec].
The inside diameter of the hose connector is 35 mm [1.38 in].
4.4 Tool change
Sharp drills are the basic prerequisite for perfect drilling.
Use the dowel drills listed in the chapter Special accessories. These carbide-tipped drill bits have been
specially developed for the machine and are suitable for all types of wood.
Use the following procedure to change the drill
bits:
1.
Pull out the power plug of the machine.
2.
Put down the cable where you can see it.
3.
Put the disconnected machine on a flat surface.
4.
Rotate the tool holding fixture (10) such that the
screws (11) point upward.
5.
Using the Allen key provided, turn the four
screws (11) counterclockwise to loosen them.
6.
Pull off the old drill bit from the front.
7.
Insert the new drill bits (12) into the tool holding
fixture until they hit the stop.
➢
The flat surfaces of the new drill bits must
point in the direction of the screw holes.
8.
Tighten the four screws (11) clockwise.
Check to ensure that the drill bits are
➢
seated properly.
Drill bits changed.
✓
01/2022
Caution
Health hazards from wood dust
The dusts produced during work can be inhaled and can cause health damage.
Harmful dust must be extracted with a HEPA 13 dust extractor.
➢
➢
Wear a dust mask during work.
Fig. 3: Preparing the tool holding fixture
Fig. 4: Changing drill bits
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