Operation; Keyless Chuck; Preparing For Use - Hilti UD 16 Mode D'emploi

CAUTION Check that the ribs on the clamping
4.
band engage in the grooves in the collar around
the gearing section.
CAUTION If the side handle slips in the event of
the drill bit sticking while drilling, check that the
ribs on the side handle clamping band engage
securely with the collar on the power tool.Have
any damaged parts replaced. The side handle
en
will otherwise be unable to take up the torque
generated by the electric tool.
Pivot the side handle into the desired position (it
engages at a number of set positions).

7 Operation

DANGER
Use auxiliary handle(s), if supplied with the tool. Loss
of control can cause personal injury.
WARNING
Do not attempt to use the tool to unscrew screws or
nuts or to free sticking drill bits when the maximum
torque in reverse rotation (see technical data) is in-
adequate. There is a risk that the chuck may become
detached from the tool.
WARNING
The electric supply voltage must comply with the
information given on the type identification plate on
the power tool.
CAUTION
Use clamps or a vice to hold the workpiece securely.

7.1 Preparing for use

7.1.1 Fitting and adjusting the depth gauge 3
1. Disconnect the supply cord plug from the power
outlet.
2. Release the depth gauge locking screw.
3. Push the depth gauge into the opening provided.
4. Adjust the depth gauge to the desired drilling depth.
5. Tighten the depth gauge locking screw securely.
7.2 Operation
CAUTION
Working on the material may cause it to splinter. Wear
eye protection and protective gloves. Wear breathing
protection if no dust removal system is used. Splin-
22
5. Secure the side handle by turning the grip clockwise.
6.2 Use of extension cords and generators or
transformers
See section "Description / use of extension cords".
tering material presents a risk of injury to the eyes and
body.
CAUTION
The work generates noise. Wear ear protectors. Expos-
ure to noise can cause hearing loss.
CAUTION
The insert tool and the chuck get hot during use. Wear
protective gloves when changing insert tools.

7.2.1 Keyless chuck

CAUTION
Disconnect the mains plug from the power outlet.
NOTE
The keyless chuck may have to be rotated slightly by
hand before the built-in drive spindle lock engages.
NOTE
Depending on the type of chuck fitted, either the broad
adjusting ring or the rear gripping ring on the chuck must
be held securely by hand.
7.2.1.1 Opening the keyless chuck 4
1. Grip the rotatable sleeve.
2. Turn the sleeve counterclockwise.
NOTE First, the locking mechanism will be released
automatically.
3. Continue turning the sleeve until the insert tool is
released.
7.2.1.2 Closing the keyless chuck 5
1. Open the keyless chuck far enough to allow the
shank of the tool to be inserted.
2. Insert the shank of the tool in the keyless chuck.
3. Tighten the chuck by turning the rotatable sleeve
firmly in a clockwise direction.