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3. Locate the center point of the hole to be drilled. Draw a line from the center of the hole to be drilled in
the direction in which the machine is to be positioned.
4. Make a mark on the line at the specified distance from the center of the hole to be drilled.
Distance of marking → page 16
5. Switch on the vacuum pump and press and hold the vacuum release valve.
6. Line up the mark on the base plate with the line.
7. When the drill stand has been positioned correctly, release the vacuum release valve and press the base
plate against the base material.
8. Use the leveling screws to level the base plate.
9. Check that the drill stand is secure.
Distance of marking
Select the distance to suit the base plate used.
Ideal distance of the mark on the vacuum base plate from the hole center
Ideal distance of the mark on the combination base plate from the hole center
5.6
DD-HD 30: Fastening the drill stand with the threaded spindle (accessory)
1. Remove the cover (with built-in end stop) from the top end of the rail.
2. Fit the cylindrical connector on the threaded spindle into the end of the rail on the drill stand.
3. Secure the threaded spindle by turning the eccentric pin.
4. Position the drill stand on the work surface.
5. Level the base plate by turning the leveling screws.
6. Secure the drill stand with the threaded spindle and tighten the threaded spindle.
7. Make sure that the drill stand is fastened securely.
5.7
DD-HD 30: Extending the rail (accessory) on the drill stand
When starting holes, use only core bits or extended core bits with a maximum total length of 650 mm
(25 1/2 in).
A depth gage on the rail can be used as an additional end stop.
After removing the extension rail, the cover (with integrated end stop) must be refitted to the drill stand
in order to ensure that the safety-relevant end-stop function is restored. The safety-relevant end-stop
function becomes inoperative if this component is not fitted.
1. Remove the cover (with built-in end stop) from the top end of the rail. Fit the cover on the extension rail.
2. Fit the cylindrical connector on the extension rail into the end of the rail on the drill stand.
3. Secure the extension rail by turning the eccentric pin.
5.8
DD-HD 30: Fitting the spacer (accessory)
WARNING
Risk of injury. The fastening may become overloaded.
▶ When one or more spacers are used, the contact pressure must be reduced in order to avoid overloading
the fastening.
The diamond core drilling machine should not already be mounted on the drill stand when the spacer
is being fitted.
When core bits with a diameter of 300 mm (11 1/2 in) or greater are used, the distance between
the drill stand and the drilling axis must be increased by fitting one or two spacers. The hole center
indicator is no longer functional when spacers are used.
1. Lock the carriage on the rail with the carriage lock.
2. Pull out the eccentric pin for locking the diamond core drilling machine on the carriage.
16
English
9
10
2279864
292 mm
(11.5 in)
292 mm
(11.5 in)
*2279864*
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