Operation - Hilti DD 160 Operating Instructions Manual

3. Push the diamond core bit into the chuck (BI+) from
below, turning the core bit until the teeth in the
chuck engage with the core bit.
4. Close the chuck (BI+) by turning it in the direction of
the closed brackets symbol.
5. Check that the diamond core bit is securely mounted
en
in the chuck by pulling on the core bit and attempting
to move it from side to side.
6.1.10 Selecting the speed 13
CAUTION
Do not change gear while the machine is running.
Wait for the spindle to come to a halt.
1. Set the switch to the correct position according to
the core bit diameter used (see Section 2.3). When
turning the switch, rotate the core bit by hand at the
same time until the switch can be engaged in the
recommended position.
6.1.11 Removing the diamond core bit
CAUTION
The core bit may become hot during use or during sharp-
ening. There is a risk of burning your hands. Wear pro-
tective gloves when changing the core bit.

7 Operation

WARNING
Make sure that the supply cord does not come into
contact with rotating parts.
WARNING
Make sure that the supply cord is not pinched and
damaged as the carriage advances.
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.
CAUTION
Do not change gear while the machine is running.
Wait until the drive spindle has stopped rotating.
12
CAUTION
Disconnect the supply cord plug from the power out-
let.
NOTE
If using an alternative type of chuck, grip and hold the
drive spindle securely with a suitable open-end wrench
and use another suitable open-end wrench to release the
core bit.
1. Engage the carriage locking system with the channel
and check that the channel is securely fastened.
2. Open the chuck (BI+) by turning it in the direction of
the open brackets symbol.
3. Pull the sleeve on the chuck in the direction of the
arrow towards the machine. This releases the core
bit.
4. Remove the core bit.
CAUTION
Take care to avoid coming into contact with rotating
parts when adjusting the water flow while the machine
is running.
CAUTION
Releasing the tilt mechanism on the drill stand may
cause the column to tilt suddenly.
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. Connect the supply cord to the electric supply and
press the "I" or "Reset" button on the ground fault
circuit interrupter. The yellow theft protection indica-
tor LED blinks. The machine is now ready to receive
the signal from the TPS key.