Assembly D: Back / Push Handles; Replacing The Back Release; Replacing The Back Release Spring - Otto Bock BRAVO Racer Service Manual

4.4 Assembly D: Back / push handles

4.4.1 Replacing the back release

Remove the seat cushion. Unlock the back rest and fold it ahead to the stop (Figure 55). Lift the
back upholstery flap.
Using pincers, pinch off the release cable from both key rings (Figure 56). Open the key rings
slightly and remove them from the ends of the bolts (Figure 57 – keychain principle). Turn new
key rings into the new release cable, which will be delivered pre-assembled, and then turn the
key rings into the bolt ends. Test the back release for proper function.

4.4.2 Replacing the back release spring

Remove the seat cushion. Unlock the back rest and fold it ahead to the stop. Lift the back up-
holstery flap.
Remove the upper screw connection on both back plates (Figure 58). Pull the back tubes to-
wards the back until they are exposed. Remove the key rings from the back release assembly
(Figure 5).
Note that ratchet bolts are under outward spring tension. Replace the springs / ratchet bolts if
required. For assembly, please proceed in reverse order.
55
57
56