The product described is designed for professional use and may be operated, serviced and maintained only
by trained, authorized personnel. This personnel must be informed of any particular hazards that may be
encountered. The product described and its ancillary equipment may present hazards when used incorrectly
by untrained personnel or when used not as directed.
▶ The tool may be operated only when connected to a power supply providing a voltage and frequency in
compliance with the information given on its type plate.
▶ Observe the national health and safety requirements.
▶ To reduce the risk of injury, use only genuine Hilti tools and accessories.
3.5
Drilling performance indicator
The diamond core drilling machine has an LED drilling performance indicator.
Symbol
Status
Orange light
Green light
Red light
3.6
Service indicator
The diamond core drilling machine has an LED service indicator.
Symbol
Status
Red light
Product running
Red light
Product not
running
Flashing red
light
3.7
Items supplied
Diamond core drilling machine, operating instructions.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Center or online at: www.hilti.com
4
Technical data
4.1
Product properties
For details of the rated voltage, frequency, current and input power, refer to the country-specific type
identification plate.
If the device is powered by a generator or transformer, the generator or transformer's power output must be
at least twice the rated input power shown on the rating plate of the device. The operating voltage of the
transformer or generator must always be within +5 % and -15 % of the rated voltage of the device.
Rated current input
Rated power input
Weight of the diamond core drilling machine
8
English
Printed: 09.08.2019 | Doc-Nr: PUB / 5069547 / 000 / 06
Meaning
Contact pressure too low
Contact pressure ideal
Contact pressure too high
Meaning
The carbon brushes are badly worn.
End of service interval – servicing is due. You can continue working for a
number of hours after the indicator first shows, before automatic cut-out is
activated.
Bring the product to Hilti Service in good time.
The carbon brushes must be replaced.
The diamond core drilling machine has overheard or is damaged.
See Troubleshooting.
120 V
230 V
DD 150-U
19.5 A
10.3 A
2,200 W
8.2 kg
434950
*434950*