Wet Drilling; Switching Off; Transport And Storage - Hilti DD110-W Manual De Instrucciones

6. When beginning drilling, apply only light pressure
until the core bit has centered itself and then in-
crease the pressure. Drill to a depth of 3-5 mm to
form a guide kerf (optional operation).
7. Switch the machine off by releasing the on / off
switch and then wait until the core bit has stopped
en
rotating (optional operation).
8. Remove the hole-starting aid from the core bit (op-
tional operation).
9. Position the core bit in the guide kerf and then
press the on / off switch to continue drilling (optional
operation).

7.5 Wet drilling

WARNING
Water must not be allowed to run over the motor and
cover.
WARNING
Water drainage is uncontrolled. Overhead drilling is not
permissible.
NOTE
The optional operations are to be carried out when the
two-part hole starting aid is used.
1. Secure the side handle in the desired position.
2. Fit the hole-starting aid (optional operation).
3. Plug the supply cord into the power outlet and press
the "reset" button on the GFCI.
4. Position the machine at the point where the hole is
to be drilled (hole center).
5. Slowly open the water flow regulator until the desired
volume of water is flowing.
6. Press the on/off switch on the machine.
7. When beginning drilling, apply only light pressure
until the core bit has centered itself and then in-
crease the pressure. Drill to a depth of 3-5 mm to
form a guide kerf (optional operation).
8. Switch the machine off by releasing the on / off
switch and then wait until the core bit has stopped
rotating (optional operation).
12
9. Remove the hole-starting aid from the core bit (op-
tional operation).
10. Position the core bit in the guide kerf and then
press the on / off switch to continue drilling (optional
operation).

7.6 Switching off

CAUTION
Wear protective gloves when changing cutting tools
as they get hot during use.
CAUTION
The core bit is full of dust or water and slurry. Work
from a secure stance and make sure you are ready
to support the additional weight of the drilled-out
material.
1. Remove the diamond core bit from the hole.
2. Switch the drilling machine off.
3. Connect the water flow regulator, if used.
7.7 Procedure in the event of the core bit sticking
In the event of the core bit sticking, the clutch will slip
until the user switches the power tool off. The core bit
can be released by taking the following action:
7.7.1 Using an open-end wrench to release the
core bit
1. Disconnect the supply cord plug from the power
outlet.
2. Grip the core bit with a suitable open-end wrench
close to the connection end and release the core bit
by rotating it.
3. Plug the machine's supply cord into the power out-
let.
4. Resume the drilling operation.
7.8 Dismantling
CAUTION
Disconnect the supply cord plug from the power out-
let.
1. For instructions on removing the diamond core bit,
please refer to the section "Removing the diamond
core bit".
2. Remove the core if necessary.

7.9 Transport and storage

Open the water flow regulator before putting the power
tool into storage. CAUTION
When temperatures drop below zero, check to ensure
that no water remains in the power tool.