Otto Bock 17AD100 Nexgear Tango Technical Information page 26

Procedure
3.10 Reaction-module – dynamic alignment
26
For the dynamic trial fitting, unscrew the spring bolt
with a Torx wrench and replace the spring dummy with
the reaction-spring.
Install the spring bolt.
Screw in the spring bolt flush with the cover using a
Torx wrench.
17AD100