Preparations At The Workplace - Hilti DD 120 Manual De Instrucciones

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Preparations at the workplace

WARNING
Risk of injury! The drill stand can rotate or topple if not securely fastened.
▶ Before using the diamond core drilling machine, secure the drill stand to the work surface with anchors
or with a vacuum base plate.
▶ Use only anchors suitable for the base material and comply with the anchor manufacturer's instructions.
▶ Use a vacuum base plate only when the work surface is suitable for securing the drill stand by the
vacuum method.
5.1 Install the hand wheel on the diamond core drilling machine
1. Remove the retaining pin and fit the hand wheel on to the shaft.
2. Secure the hand wheel by inserting the retaining pin.
The hand wheel can be installed on either side of the carriage.
5.2 Securing the diamond core drilling machine to the drill stand
CAUTION
Risk of injury Hazard presented by inadvertent starting of the diamond core drilling machine.
▶ The diamond core drilling machine should not be connected to the power supply during set-up.
1. Use the hex key to slacken the screw on the inside.
2. Remove the end stop from the rail.
3. Open the carriage lock by turning the knob all the way in the opening direction.
4. Using the opening provided for the purpose, set the diamond core drilling machine on the rail.
5. Use the hand wheel to advance the diamond core drilling machine fully on to the rail.
6. Lock the diamond core drilling machine by fully tightening the carriage lock.
7. Check that the diamond core drilling machine is locked by lightly turning the hand wheel.
8. Install the end stop on the rail and check that it is secure.
Check carriage play; adjust if necessary. → page 34
5.3 Securing the drill stand with an anchor
WARNING
Risk of injury due to use of wrong anchors! The machine can break loose and cause damage.
▶ Use anchors suitable for the material on which you are working and observe the anchor manufacturer's
instructions.
Hilti metal expansion anchors M12 are usually suitable for use as anchors for diamond core drilling
equipment in uncracked concrete. Under certain conditions, however, it may be necessary to use
an alternative fastening method. Contact Hilti Technical Service if you have questions about secure
fastening.
1. Set an anchor suitable for the base material at a distance of 203 mm (8 in) from where the center point
of the drillhole will be.
2. Screw the clamping spindle into the anchor.
3. Back off all leveling screws until the base plate is flush with the surface.
4. Slip the drill stand over the clamping spindle and align the drill stand.
5. Screw the clamping spindle nut on to the clamping spindle but do not tighten it.
6. Level the base plate by turning the 4 leveling screws.
All leveling screws make be seated firmly on the surface.
28 English
Printed: 09.08.2019 | Doc-Nr: PUB / 5069516 / 000 / 07
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