Operation - Hilti DD 110-D Mode D'emploi

6.3.2 Core bit
1. Fit the connection end for core bits with dust removal
into the chuck in accordance with the instructions
for fitting a diamond core bit.
2. Fit the core bit onto the connection end.
en
6.4 Selecting the speed 5
CAUTION
Do not change gear while the machine is running.
Wait for the spindle to come to a halt.
Set the selector switch according to the core bit diame-
ter used. Turn the selector switch to the recommended
setting (see section "Description") while rotating the core
bit by hand.
6.5 Removing the diamond core bit
CAUTION
The core bit may get hot during use or during sharpening.
There is a risk of burning your hands. Wear protective
gloves when changing the core bit.

7 Operation

WARNING
Make sure that the supply cord and hoses do not
come into contact with rotating parts.
DANGER
When working with slotted core bits, take care to
keep your fingers out of the slots.
CAUTION
The machine and the drilling operation generate noise.
Wear ear protectors. Excessive noise may damage the
hearing.
CAUTION
Drilling may cause hazardous flying fragments. Flying
fragments present a risk of injury to the eyes and body.
Wear eye protection and a hard hat.
8
CAUTION
Disconnect the supply cord plug from the power out-
let.
NOTE
If using a BR, BT, M27 or M16 chuck, prevent rotation of
the chuck and use a suitable open-end wrench to remove
the core bit.
1. Open the chuck (BI+) by turning it in the direction of
the open brackets symbol.
2. Pull the sleeve on the chuck in the direction of the
arrow towards the machine. This releases the core
bit.
3. Remove the core bit.
WARNING
In accordance with the applications for which it is de-
signed, the machine produces a high torque. Always
use the side handle and hold the machine with both
hands. The user must be prepared for sudden sticking
and stalling of the cutting tool.
DANGER
The operator must be prepared for sudden sticking
and stalling of the cutting tool and must therefore
have an absolutely secure stance with both feet.
7.1 TPS theft protection system (optional)
NOTE
The machine may be equipped with the optional theft
protection system. If the machine is equipped with this
feature, it can be unlocked and made ready for operation
only with the corresponding TPS key.
7.1.1 Unlocking the machine
1. Check that the machine is connected to the electric
supply. The yellow theft protection indicator LED
blinks. The machine is now ready to receive the
signal from the TPS key.