Festo CPA VI Series Manual page 136

B. Supplementary component summary and installation instructions
B-10
Fig. B/8: Fitting the CPA valve terminal onto the CPX
terminal
3. Press and hold the CPA valve terminal against the CPX
terminal.
4. Place the dowel pins over the holes of the pneumatic
adapter. Drive them in with a punch. They must be flush
with the rear side (not projecting).
Festo P.BE-CPA-EN en 0207c