Digitus DA-90422 Guía Rápida De Instalación página 3

Step 3: Connect the Plastic Collar (B) to the Seat (A) by
resting the Seat on the cushion and firmly pressing the
Plastic Tube against the seat.
PRESS
Step 4: Gently slide the seat onto the gas spring. Once
aligned properly, press down firmly on the seat.
B
A
+
C D
+
3