Operation - Hilti AG 180-20 D Manual De Instrucciones

6.2.2 Adjusting the guard or guard with cover
plate 4
1. Release the clamping lever.
2. Rotate the guard to the desired position.
3. Close the clamping lever.
6.3 Fitting and removing the disc 5 6
en
CAUTION
Wear gloves when fitting or removing parts, when
making adjustments or when remedying malfunc-
tions.
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 disc before using it. Do
not use discs that are broken, cracked or damaged in
any way.

7 Operation

NOTE
Adjust the position of the guard to suit the requirements
of the work being done.
DANGER
Wear ear protectors. Exposure to noise can cause hear-
ing loss.
CAUTION
The closed side of the guard must always face the
operator.
WARNING
Test new cutting or grinding discs by allowing them
to run at maximum speed in a protected area for at
least 60 seconds.
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
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
24
NOTE
Diamond discs must be replaced when the cutting or
grinding performance drops significantly. This generally
is the case when the segments reach a height of less
than 2 mm. Other discs must be replaced when the
cutting performance drops significantly or other parts of
the angle grinder (not the disc) come into contact with
the material you are working on. Abrasive discs generally
have to be replaced when the durability date has been
reached.
1. Clean the clamping flange.
2. Fit the clamping flange onto the drive spindle.
3. Fit the disc.
4. Screw on the clamping nut corresponding to the
type of disc fitted 6.
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. To remove the disc from the power tool, follow the
instructions for fitting the disc but carry out the steps
in the reverse order.
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 in-
formation given on the type identification plate on the
power tool. 230 V power tools may also be connected
to a 220 V supply.
WARNING
Always use the side handle with the power tool.
CAUTION
Use clamps or a vice to hold the workpiece securely.
WARNING
Cutting or grinding may cause splintering of the material.
Wear eye protection.
DANGER
The operator and bystanders must wear breathing
protection if the work causes dust.
WARNING
Avoid touching rotating parts. Switch the power tool
on only after bringing it into position at the workpiece.
Touching rotating parts, especially rotating insert tools,
may lead to injury.