Before Use; Operation - Hilti DAG 450-S Mode D'emploi

6 Before use

WARNING
Never use the power tool without the guard.
6.1 Fitting the side handle
WARNING
The side handle must be fitted for all types of work.
The side handle may be screwed onto the power tool on
the right or left.
6.2 Guard
CAUTION
Adjust the position of the guard to suit the require-
ments of the work being done.
CAUTION
The closed side of the guard must always face the
operator.
6.2.1 Fitting and removing the guard 2
1. Disconnect the supply cord plug from the power
outlet.
2. Fit the guard so that the locating lug engages in the
notch in the spindle collar and then rotate it into the
required working position.
3. Secure the guard by tightening the screw.
4. Screw the side handle onto the right or left side of
the gearing section, depending on how the power
tool will be held when working.
5. To remove the guard from the power tool, follow the
instructions for fitting the guard but carry out the
steps in the reverse order.

7 Operation

DANGER
Wear ear protectors. Exposure to noise can cause hear-
ing loss.
WARNING
Test new cutting or grinding discs by allowing them
to run at maximum speed in a protected area for at
least 30 seconds.
6.3 Fitting the cutting / grinding disc 4
DANGER
Check that the speed rating printed on the cutting
or grinding disc is equal to or higher than the rated
speed of the power tool.
DANGER
Check the condition of the grinding disc before us-
ing it. Do not use discs that are broken, cracked or
damaged in any way.
1. Disconnect the supply cord plug from the power
outlet.
2. Fit the clamping flange onto the drive spindle.
3. Fit the diamond disc, cutting disc or grinding disc.
4. Screw on the clamping nut and tighten it.
5. CAUTION Do not press the spindle lockbutton
before the drive spindle has stopped rotating.
Press the spindle lockbutton and hold it in this
position.
6. Use the wrench to tighten the clamping nut securely
and then release the spindle lockbutton.
7. Before switching on, check that the cutting/grinding
tool is fitted correctly and that it is free to rotate.
6.4 Rotating the gearing section 3
NOTE
To allow the power tool to be used safely and without
fatigue in all positions (e.g. on / off switch facing upwards),
the gearing section can be rotated to one of four positions
at 90° intervals.
1. Disconnect the supply cord plug from the power
outlet.
2. Clean the power tool.
3. Remove the side handle from the power tool.
4. Remove the four screws from the gearing section.
5. Rotate the gearing section to the desired position
without pulling it away from the power tool.
6. Secure the gearing section by inserting and tighten-
ing the four screws.
7. Fit the side handle.
WARNING
Slits cut in loadbearing walls of buildings or other struc-
tures may influence the statics of the structure, especially
when steel reinforcing bars or load-bearing components
are cut through. Consult the structural engineer, ar-
chitect, or person in charge of the building project
before beginning the work.
WARNING
The electric supply voltage must comply with the
information given on the type identification plate on
the power tool.
en
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