Switching Off - Hilti DD 200 Mode D'emploi

3. Release the carriage lock.
4. Turn the hand wheel until the core bit comes into con-
tact with the material in which the hole is being drilled.
5. Apply only light pressure until the core bit has become
centered and then gradually increase the pressure.
6. Regulate the pressure applied to the core bit by observ-
ing the drilling performance indicator (optimum drilling
performance is achieved when the green lamps in the
display light).
7.4 Operating the drilling machine with the water
collector system (accessory)
-NOTE-
The water is allowed to flow away through a length of
hose. Overhead drilling is not permissible!
-CAUTION-
Do not allow water to come into contact with the drive
unit.
7.4.1 Switching on
1. Open the water flow regulator slowly until the desired
volume of water is flowing.
2. Press the on / off switch on the drive unit (switch posi-
tion " I ").
3. Release the carriage lock.
4. Turn the hand wheel until the core bit comes into con-
tact with the material in which the hole is being drilled.
5. Apply only light pressure until the core bit has be-
come centered and then gradually increase the pres-
sure.
6. Regulate the pressure applied to the core bit by observ-
ing the drilling performance indicator (optimum drilling
performance is achieved when the green lamps in the
display light).
7.5 Operating the drilling machine with the water
collector system and wet-type vacuum cleaner
(accessories)
-NOTE-
Drilling at an angle in an upwards direction is not per-
missible (the water collector is not functional).
The core bit fills with water during overhead drilling.
-CAUTION-
Water must not be allowed to run over the drive unit.
-NOTE-
The wet-type vacuum cleaner must be switched on man-
ually before beginning drilling and switched off manu-
ally at the end of the drilling operation.
7.5.1 Switching on
1. Switch on the wet-type vacuum cleaner. Do not use
automatic mode.
2. Ensure that the water supply is connected and ready
for use.
3. Open the water flow regulator.
4. Press the on / off switch on the drive unit (switch posi-
tion "I").
Printed: 21.10.2015 | Doc-Nr: PUB / 5069597 / 000 / 04
5. Release the carriage lock.
6. Turn the hand wheel until the core bit comes into con-
tact with the material in which the hole is being drilled.
7. Apply only light pressure until the core bit has become
centered and then gradually increase the pressure.
8. Regulate the pressure applied to the core bit by observ-
ing the drilling performance indicator (optimum drilling
performance is achieved when the green lamps in the
display light).

7.6 Switching off

1. Close the water flow regulator.
2. Withdraw the diamond core bit from the hole.
Caution: The core bit fills with water during overhead
drilling. After overhead drilling, the water must first
be allowed to drain from the core bit. This is done by
disconnecting the water supply hose from the con-
nector on the drive unit and then opening the water
flow regulator valve (do not allow the water to flow
back through the water flow indicator). The water
must not be allowed to run over the drive unit.
3. Engage the carriage lock. The carriage is locked when
the locking bolt is engaged. Check this by turning
the hand wheel at the locking mechanism. No move-
ment of the carriage is possible when in this posi-
tion (locked).
4. Switch off the drive unit.
5. Switch off the vacuum cleaner, if used.
6. To ensure that the drill stand remains in balance, low-
er the core bit until in contact with the working sur-
face or fold out the hole center indicator (this is not
effective if using the vacuum baseplate).
7. If necessary, remove the core from the core bit.
7.7 Removing the drive unit from the drill stand
-NOTE-
Ensure that the machine is disconnected from the mains
supply.
1. Secure the carriage on the column by engaging the
carriage lock. The carriage is locked when the lock-
ing bolt is engaged. Check this by turning the hand
wheel at the locking mechanism. No movement of
the carriage is possible when in this position (locked).
2. Hold the drive unit securely with one hand on the car-
rying grip. -CAUTION- The drive unit may otherwise
fall from the drill stand!
3. Release the drive unit eccentric locking bolt with the
other hand.
4. Pull out the eccentric locking bolt.
5. Remove the drive unit from the carriage.
6. Push the eccentric locking bolt back into the carriage
as far as it will go.
7.8 Disposing of drilling slurry
see Section 10 "Disposal".
7.9 Procedure in the event of the core bit stickinge
The slip clutch will be activated if the core bit sticks. The
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