Operation - Hilti DEG 500-D Mode D'emploi

2. Press the guard release button and then rotate the
guard until it engages in the desired position.
6.2.3 Removing the guard
1. Disconnect the supply cord plug from the power
outlet.
en
2. Press the guard release button and then rotate the
guard until the triangular marks on the guard and
the power tool are in alignment.
3. Lift off the guard.
6.3 Fitting the cutting / grinding disc 5
DANGER
Check that the speed rating printed on the grinding
disc is equal to or higher than the rated speed of the
tool.
DANGER
Check the condition of the grinding disc before use.
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.

7 Operation

WARNING
Do not use the power tool if it starts with a jolt.This
may be an indication that the electronic control unit is
defective. Have the tool repaired at an authorized Hilti
service center right away.
WARNING
Test new cutting or grinding discs by allowing them
to run at maximum speed in a protected area for at
least 30 seconds.
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.
WARNING
Always use the side handle with the tool.
10
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3.
4.
5.
6.
6.4 Rotating the gearing section 6
NOTE
To allow the 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.
2.
3.
4.
5.
6.
7.
WARNING
Use clamps or a vice to hold the workpiece securely.
WARNING
Cutting or grinding may cause splintering of the material.
Wear eye protection.
WARNING
Breathing protection must be worn if the power tool
is used without a dust extraction system for work that
creates dust.
WARNING
Wear ear protectors. Exposure to noise can cause loss
of hearing.
WARNING
Avoid touching rotating parts. Switch the power tool
on only after bringing it into position at the workpiece.
Touching rotating parts, especially rotating drill bits, discs
or blades, etc. may lead to injury.
CAUTION
The insert tool may get hot during use. Wear protective
gloves when changing insert tools.
WARNING
Reduce the load on the power tool by avoiding tilt-
ing the disc in the kerf when cutting. The disc may
otherwise break, or the power tool may kick back or stall.
Fit the diamond disc, cutting disc or grinding disc.
Screw on the clamping nut and tighten it.
CAUTION Do not press the spindle lockbutton
before the drive spindle has stopped rotating.
Press the spindle lockbutton and hold it in this
position.
Use the wrench to tighten the clamping nut securely
and then release the spindle lockbutton.
Disconnect the supply cord plug from the power
outlet.
Clean the tool.
Remove the side handle from the tool.
Remove the four screws from the gearing section.
Rotate the gearing section to the desired position
without pulling it away from the tool.
Secure the gearing section by inserting and tighten-
ing the four screws.
Fit the side handle.