Permobil M1 User Manual page 41

4.11.2.1 Removing a ROHO AGILITY back
This is how you remove a ROHO AGILITY Mid Contour back or a
ROHO AGILITY Max Contour back.
1. Move lock from the locked to the unlocked position.
2. Flip levers upward.
3. Lift the backrest upward and forward.
Wheelchair usage - 41