HEIDENHAIN iTNC 530 Service Manual page 545

Removing the
defective HDR
July 2010
Switch off the machine, take precautions against resetting, ensure that the equipment is free
of potential.
Press the handle of the HDR upwards to loosen the locking.
Press the locking hook upwards and remove the HDR.
Caution
Observe the ESD precautions. --> See "Important Information" on page 28 – 523!
28 – 545