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English
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3.6
Active Torque Control (ATC)
The electronics detect potential stalling of the disc and prevent further rotation of the arbor by switching off
the product.
If the ATC system has been triggered, restart the product. Do this by releasing the on/off switch and then
pressing it again.
If the ATC system fails, the product will run at greatly reduced speed and with greatly reduced torque.
Have the product checked by
Hilti
Service.
3.7
Restart interlock
The product does not restart by itself when the on/off switch is locked in the ON position and power is restored
after an interruption in the electric supply. The on/off switch must first be released and then pressed again.
3.8
Temperature-dependent motor protection
The temperature-dependent motor protection system monitors current draw and motor temperature to
prevent the product from overheating.
If the motor is overloaded through application of excessive working pressure, the product’s performance
drops noticeably or it might stall completely. A standstill should be avoided. The product's permissible
overload depends on motor temperature and is not a specific value.
3.9
Front cover for the disc guard
When grinding with straight grinding discs and cutting with cutting discs in metalworking applications,
use the standard guard with front cover.
3.10
DG-EX 125/5" dust hood for grinding (accessory)
The grinding system is suitable only for occasional use with diamond cup wheels for grinding mineral
materials.
CAUTION
Use of this hood for working on metal is prohibited.
3.11
DC-EX 125/5"C dust hood for cutting (accessory)
Use the DC-EX 125/5"C dust hood when cutting masonry and concrete.
CAUTION
Use of this hood for working on metal is prohibited.
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Consumables
Only synthetic resin-bonded, fiber-reinforced discs with a maximum diameter of Ø 5" and a maximum disc
thickness of 1/4" (grinding discs) or 1/8" (cutting discs) which are approved for use at a rotational speed of
at least 11,500/min and a peripheral speed of 80 m/s may be used.
WARNING! When cutting or slitting with cutting discs, always use the standard guard with additional
cover plate.
Discs
Application
Designation
Material
Abrasive cutting disc
Cutting, slitting
ACD
Metal
Diamond cutting disc
Cutting, slitting
DC-TP, DC-D (SPX,
SP, P)
Mineral
Abrasive grinding disc
Rough grinding
AG-D, AF-D, AN-D,
AG-D type 27
Metal
Diamond grinding disc
Rough grinding
DG-CW (SPX, SP,
P)
Mineral
Wire brushes
Wire brushes
3CS, 4CS, 3SS,
4SS
Metal
Abrasive resin-fiber disc
Rough grinding
AP-D
Metal
Printed: 20.04.2018 | Doc-Nr: PUB / 5300553 / 000 / 01
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