Hilti DD 250 Mode D'emploi Original page 22

CAUTION
Risk of injury Hazard presented by a falling diamond core drilling machine.
▶ Always fit the cover at the end of the rail. The cover provides protection and acts as an end stop.
1. Loosen the screw at the pivoting joint at the bottom end of the rail and the screw at the top end of the
brace.
2. Adjust the rail to the desired angle.
Note
The angle scale at the rear serves as an adjustment aid.
3. Retighten the two screws securely.
5.2 DD-HD 30: Locking the carriage on the drill stand
1. Pivot the carriage lock in the locked position.
◁ The locking pin must engage in this position.
2. Slightly turn the hand wheel to ensure that the carriage is securely locked.
5.3 Fitting the hand wheel on the drill stand
Note
The hand wheel may be fitted on the left-hand or on the right-hand side of the carriage.
In the case of the DD­HD 30 drill stand, the hand wheel may be fitted on the carriage on two different
axes. The upper axis directly affects the carriage drive and the lower axis affects the carriage drive
with a gear reduction of 1:3.
1. Pull the black ring back to fit the hand wheel.
2. Fit the hand wheel onto the axle.
5.4 Fastening the drill stand with an anchor
WARNING
Risk of injury The tool may become detached and cause damage if the wrong anchor is used.
▶ Use an anchor suitable for the base material on which you are working and observe the anchor
manufacturer's instructions. Please contact Hilti Technical Service if you have any questions about
secure fastening.
Note
Hilti metal expansion anchors M16 (5/8") are usually suitable for fastening diamond core drilling
equipment to uncracked concrete. Under certain conditions, however, it may be necessary to use an
alternative fastening method. Please contact Hilti Technical Service if you have any questions about
secure fastening.
1. Fit the anchor that is suitable for the corresponding base material. Select the distance according to the
base plate used.
Note
Ideal distance from the hole center for DD-HD 30: 330 mm (13 in)
Ideal distance from the hole center for DD-ST 200: 380 mm (15 in)
2. Screw the clamping spindle (accessory) into the anchor.
3. Place the drill stand over the spindle and align it. When using the DD-HD 30 drill stand, use the hole
center indicator to help you align the drill stand. When a spacer is used, the drill stand cannot be aligned
using the hole center indicator.
4. Screw the clamping nut onto the spindle but do not tighten it.
5. Level the base plate by turning the leveling screws. Use the leveling indicators for this purpose. Take
care to ensure that the leveling screws make firm contact with the underlying surface.
6. Tighten the leveling screws evenly until the drill stand is securely fastened.
7. Make sure that the drill stand is fastened securely.
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