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Hilti DD 120 User Manual

Hilti DD 120
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10 English
Equipment Core bit diameter Drilling direction
With water collection system
and wet-type industrial vacuum
extractor
16 ... 132 (*162) mm All directions
Without water collection system
and wet-type industrial vacuum
extractor
16 ... 132 (*162) mm Not upwards
With water collection system 16 ... 132 (*162) mm Not upwards
4.3 Gears and corresponding core bit diameters
* Your machine's core bit diameter is stated on the type identification plate.
Second gear can be used to achieve faster progress when drilling holes up to 82 mm (3 1⁄2 in) in
lightly reinforced concrete.
Gear Core bit diameter Idling speed
1 57 ... 132 (*162) mm 650 /min
2 16 ... 52 mm 1,380 /min
4.4 Noise information and vibration values in accordance with EN 62841
The sound pressure and vibration values given in these instructions were measured in accordance with a
standardized test and can be used to compare one power tool with another. They can also be used for a
preliminary assessment of exposure.
The data given represent the main applications of the power tool. However, if the power tool is used for
different applications, with different accessory tools, or is poorly maintained, the data can vary. This can
significantly increase exposure over the total working period.
An accurate estimation of exposure should also take into account the times when the tool is switched off, or
when it is running but not actually being used for a job. This can significantly reduce exposure over the total
working period.
Identify additional safety measures to protect the operator from the effects of noise and/or vibration, for
example: maintaining the power tool and accessory tools, keeping the hands warm, organization of work
patterns.
Noise information
Typical A-weighted sound power level
102 dB
Typical A-weighted emission sound pressure level
89 dB
Uncertainty for the given sound pressure level
3 dB
Vibration values
Drilling in concrete (wet), a
h
2.5 m/s²
Uncertainty (K)
1.5 m/s²
5 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.
Printed: 24.05.2018 | Doc-Nr: PUB / 5431649 / 000 / 00

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Hilti DD 120 Specifications

General IconGeneral
BrandHilti
ModelDD 120
CategoryDrill
LanguageEnglish

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