Otto Bock Start M1 Intro Service Manual page 19

Replacing the standard back upholstery
Remove the back tubes as described in the preceding
section.
Loosen and remove the screw connections at the top
of the back tubes.
Pull the upholstery downwards off the back tubes.
For reassembly, please proceed in reverse order.
To completely replace the back angle adjustment
mechanism, unlock the back and fold it down onto
the seat surface as for transporting. Loosen the
three screw connections which connect the back
angle adjustment mechanism to the frame and re-
move the adjustment mechanism.
For reassembly, please proceed in reverse order.
8
Replacing the back angle adjustment mechanism
To replace the release cable, loosen the spring bolt
with your hand or using an open-end wrench and pull
the bolt out of the eyelet.
If you only want to replace the cable, remove the O-ring
from the device by turning (key ring principle).
To replace the frame element with the different locking
positions, loosen the screw on the inner side of the back
tube and completely remove the element.
For reassembly, please proceed in reverse order.