Trio Avionics Wing Servo Mount Installation for RV-4 and RV-6 - Manual (Page 8)

Step 10:
Attach servo push/pull tube to aileron bell crank. Note: Your kit contains
hardware for attaching the push/pull tube to the bell crank. We have provided a variety of
washers (spacers) for the installation.
Insert washers to take up any
slack between the rod end
and the mounting tabs
To Control Stick
Bellcrank mounting strut
Roll servo push tube
Step 9:
Attach the push/pull tube to the servo crank arm. The rod-end bearing should
be ON TOP of the crank arm and the hardware installed as shown in image below.