Hilti DD 110-D Mode D'emploi page 12

2. Hold the TPS key or the TPS watch strap buckle
against the lock symbol. The machine is unlocked
as soon as the yellow theft protection indicator LED
no longer lights.
NOTE If, for example, the electric supply is briefly
interrupted due to a power failure or disconnected
when moving to a different workplace, the machine
remains ready for operation for approx. 20 minutes.
In the event of a longer interruption, the TPS key
must be used again to unlock the machine.
7.1.2 Activation of the theft protection system for
the machine
NOTE
Further information on activation and use of the theft pro-
tection system can be found in the operating instructions
for the theft protection system.
7.2 Working with a dust removal system
CAUTION
When working, always lead the vacuum cleaner hose
away to the rear of the machine so that it cannot
come into contact with the core bit.
CAUTION
Please read the operating instructions for the vacuum
cleaner for information about disposal of the material
collected.
NOTE
To avoid electrostatic effects, use an anti-static vacuum
cleaner.
7.2.1 Vacuum cleaner with power outlet for power
tools 6
CAUTION
Do not use slotted core bits when working with a dust
removal system.
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 machine's supply cord into the power outlet
on the vacuum cleaner.
4. Plug the vacuum cleaner's supply cord into the
power outlet.
5. Position the machine at the point where the hole is
to be drilled (hole center).
6. Press the on / off switch on the power tool.
NOTE The vacuum cleaner starts with a delay after
the power tool is switched on. After switching the
power tool off, the vacuum cleaner continues to run
for a short time before switching itself off.
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).
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).
7.2.2 Vacuum cleaner without power outlet for
power tools
CAUTION
Do not use slotted core bits when working with a dust
removal system.
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 vacuum cleaner's supply cord into the
power outlet and switch the vacuum cleaner on.
4. Plug the machine's supply cord into the power out-
let.
5. Press the on / off switch on the power tool.
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
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).
10. Allow the vacuum cleaner to run for a few seconds
after switching off the machine in order to ensure
that the remaining dust is removed.
7.3 Working without dust removal
NOTE
Use slotted core bits when drilling without a dust removal
system.
NOTE
Remove the dust removal attachment or secure it to
prevent rotation.
NOTE
The optional operations are to be carried out when the
two-part hole starting aid is used.
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