Brainlab RT/RS Hardware User's Manual page 39

HARDWARE OVERVIEW
If the coded plug had to be removed due to insufficient system requirements there is no
automatic restriction of the primary jaw field.
How to Detach the Collimator Mount
Steps
1.
2.
3.
4.
5.
6.
Hardware User Guide Rev. 4.9 RT / RS Stereotactic Hardware
Position the gantry at 0°/180° (according to the IEC 61217 scale).
Remove the conical collimator (see page 43).
Turn the Linac collimator so that the opening of the accessory tray slot points towards
you.
Unscrew the two fixation screws ④.
Make sure that the accessory locking mechanism of the linac is released.
Slide the collimator mount completely out of the accessory tray slot and remove it.
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