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20
English
▶
Tighten the accessory tool and flange securely. If the accessory tool and flange are not tightened
securely, the accessory tool may work loose from the arbor due to the braking effect of the motor after
switching off.
▶
Comply with the manufacturer's instructions for handling and storing grinding discs.
3 Description
3.1 Overview of the product
1
@
Spindle lockbutton
;
Air vents
=
Vibration-absorbing side handle
%
Wrench
&
Clamping nut
(
Cutting disc / grinding disc
)
Clamping flange with O-ring
+
Guard
§
On/off switch
/
Switch-on interlock release button
:
Spindle
∙
Quick locking system
$
Guard release button
£
Threaded bushing for handle
3.2 Intended use
The product described is a hand-held electric angle grinder. It is designed for cutting, grinding and sanding
metal and mineral materials without use of water.
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 (optional accessory).
• 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 Integrated brake
The integrated brake reduces the time it takes until the accessory tool stops rotating after switching off.
3.5 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.
3.6 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.
3.7 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.
Printed: 05.09.2016 | Doc-Nr: PUB / 5300419 / 000 / 00
Summary of Contents for AG 125-15DB
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