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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 Switching on and checking the PRCD (if fitted)
1. Plug the machine’s supply cord into an
earthed/grounded power outlet.
2. Press the “Reset” button on the PRCD ground fault
circuit interrupter.
The indicator must light.
3. Press the “Test” button on the PRCD ground fault
circuit interrupter.
The indicator must go out.
4.
WARNING If the indicator continues to light, fur-
ther operation of the machine is not permiss-
ible.
Have the machine repaired by trained personnel
using genuine Hilti spare parts.
Press the “Reset” button on the PRCD ground fault
circuit interrupter.
The indicator must light.
7.3 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.
7.3.1 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 and press the “Reset” button (if there
is one) on the PRCD.
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).
7.3.2 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 outlet
and press the “Reset” button (if there is one) on the
PRCD.
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.
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Printed: 16.05.2014 | Doc-Nr: PUB / 5069512 / 000 / 03