*2077904*
2077904
English
19
The product, accessories and tools can present hazards if used incorrectly by untrained personnel or if used
not in accordance with the intended use.
Always comply with these operating instructions and also with the operating instructions for the other
components of the diamond core drilling system.
3.4
Items supplied
DD AF-CA drilling feed unit, securing screw, operating instructions
Other system products approved for use with this product can be found at your local
Hilti Store
or at:
www.hilti.group
.
3.5
Control panel and display
Emergency stop
button
Emergency stop
Press the
Emergency stop
button to stop
drilling instantly.
The diamond core drilling system is still under
electric power, but operation can be resumed
only after the emergency stop button has been
released.
Releasing the emergency
stop button
To cancel the emergency stop, turn the
Emergency stop
button and pull it out, then
press the on/off switch of the diamond core
drilling machine.
Service indicator
Service LED blinks red
A malfunction that can be remedied, e.g.
overheating. See the section headed
"Troubleshooting"
.
Service LED lights red
Disconnect the system from the electricity sup-
ply and then reconnect. See the section headed
"Troubleshooting"
.
Mode indicator
Manual mode
button
Manual mode LED
ON
Manual control by hand wheel activated.
Manual mode LED
OFF
CUT ASSIST activated.
Pressing the
button activates manual mode.
In manual mode the water is free to flow. Water from the water supply flows
out through the core bit.
Pressing the
button deactivates manual mode.
Power indicator CUT
ASSIST
CUT ASSIST
button /
power boost
When you switch back from manual mode, CUT ASSIST is activated at full
power. CUT ASSIST does not start the flow of cooling water until drilling com-
mences and it stops the flow of water when drilling ends.
Repeatedly pressing the
button cycles through the power levels one after
the other.
Pressing the
deactivates CUT ASSIST.
3 LEDs light up
Full power (preselected after switching on).
2 LEDs light up
Medium power (approx. 85%).
1 LED lights up
Low power (approx. 65%).
Printed: 06.02.2019 | Doc-Nr: PUB / 5209129 / 000 / 06
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