STwrench User Guide System overview
9836 4134 01 Edition 2.9 37 (326)
2.4.1 STwrench assembly
The STwrench is delivered in separated packages for each module; in order to start working with the
wrench, you must first put all the pieces together:
1. Remove the cover from the controller and insert the RBU inside the controller. Tighten the
screws (finger-tight - do NOT use pliers):
2. Install any optional modules (radio and barcode reader).
3. Install the controller cover (tighten the two screws)
RBU
IRC-W Radio