Hilti AG 500-11S, Original Operating Instructions

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14 English
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 product 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 product’s performance drops noticeably or it might stall 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.
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.
Printed: 19.10.2018 | Doc-Nr: PUB / 5402264 / 000 / 01