Nationally applicable industrial safety regulations must be observed.
Take the influences of the surrounding area into account. Do not use the power tool or appliance where there is a risk
of fire or explosion.
To avoid the risk of injury, use only genuine Hilti accessories and insert tools.
Observe the information printed in the operating instructions concerning operation, care and maintenance.
The power tool is designed for professional use and may be operated, serviced and maintained only by trained,
authorized personnel. This personnel must be informed of any special hazards that may be encountered. The power
tool and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used not
as directed.
Modification of the power tool or tampering with its parts is not permissible.
2.2 Switches
Hold-to-run switch
2.3 The items supplied in the cardboard box are:
1 Power tool with guard
1 Vibration-absorbing side handle
2 Nuts
1 Wrench
1 Operating instructions
1 Cardboard box
2.4 Using extension cords
Use only extension cords of a type approved for the application and with conductors of adequate cross section. The
power tool may otherwise loose performance and the extension cord may overheat. Check the extension cord for
damage at regular intervals. Replace damaged extension cords.
Recommended minimum conductor cross section and max. cable lengths
Conductor cross section
14 AWG
12 AWG
Mains voltage 110-120 V
75 ft
125 ft
Do not use extension cords with 16 AWG conductor cross section.
2.5 Using extension cords outdoors
When working outdoors, use only extension cords that are approved and correspondingly marked for this application.
2.6 Using a generator or transformer
This power tool may be powered by a generator or transformer when the following conditions are fulfilled: The unit
must provide a power output in watts of at least twice the value printed on the type identification plate on the power
tool. The operating voltage must remain 5% and -15% of the rated voltage at all times, frequency must be in
the 50 – 60 Hz range and never above 65 Hz, and the unit must be equipped with automatic voltage regulation and
starting boost.
Never operate other power tools or appliances from the generator or transformer at the same time. Switching other
power tools or appliances on and off may cause undervoltage and / or overvoltage peaks, resulting in damage to the
power tool.
2.7 DG-EX 125/5" dust removal hood for grinding
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The tool is suitable only for occasional use with diamond cup wheels for grinding mineral materials.
CAUTION
Use of this guard for working on metal is not permissible.
NOTE
It is recommended that a dust removal system consisting of matched components, i.e. dust removal hood and a
suitable Hilti vacuum cleaner, are used for grinding mineral materials, such as concrete or stone. These serve to
protect the operator and increase the life of the power tool and disc used.
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Printed: 09.12.2013 | Doc-Nr: PUB / 5164435 / 000 / 00
