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English
3.2 Intended use
The product described is a hand-held electric angle grinder. It is designed for cutting
and grinding metal and mineral materials, and for brushing, sanding and drilling in tiles,
all without use of water. It may used only for dry cutting / grinding.
The tool may be operated only when connected to a power supply providing a voltage
and frequency in compliance with the information given on its rating plate.
• The power tool may be used for cutting, slitting and grinding mineral materials only
when equipped with the corresponding guard and front cover.
• A dust removal hood together with a suitable
Hilti
vacuum cleaner must be used for
working on mineral materials such as concrete or stone.
3.3 Items supplied
Angle grinder, side handle, standard guard, front cover, clamping flange, clamping nut,
wrench, operating instructions.
You can find other system products approved for your product at your local
Hilti
Center
or online at:
www.hilti.com
3.4 Starting current limitation
The electronic starting current limiter reduces the starting current drawn by the power
tool and thus prevents the mains fuse blowing. It also allows the power tool to start
smoothly, without a jolt.
3.5 Constant-speed electronics
Electronic speed control keeps running speed almost constant irrespective of whether
the power tool is idling or running under load. Constant running speed helps ensure
maximum efficiency.
3.6 Active Torque Control (ATC)
The electronics detect potential stalling of the disc and prevent further rotation of the
drive spindle by switching off the tool.
If the ACT system has been triggered, restart the tool. Do this by releasing the on/off
switch and then pressing it again.
Note
If the ATC system malfunctions, the power tool will run only at greatly reduced
speed and with greatly reduced torque. Have the tool checked by
Hilti
Service.
3.7 Restart interlock
The power tool does not restart by itself when the on/off switch is locked in the on-
position and the power returns after an interruption in the electric supply. The on/off
switch must first be released and then pressed again to restart.
3.8 Temperature-dependent device protection
The temperature-dependent motor protection system monitors current input and motor
temperature and thus prevents the power tool overheating.
If the motor is overloaded through application of excessive working pressure, the power
tool’s performance drops noticeably or it may stop completely. A standstill should be
avoided. No specific value can be given for the permissible overloading limit for the
power tool as it depends on motor temperature.