Replacing The Brake Block; Retrofitting The Wheel Lock Lever Extension; Retrofitting The Drum Brake - Otto Bock Avantgarde CV Service Manual

Service Work

3.12.3 Replacing the Brake Block

1) Unscrew the Allen head screw on the brake block (see Fig. 152).
2) Remove/replace the brake block.
3) Tighten the screw connection with 6 Nm.

3.12.4 Retrofitting the Wheel Lock Lever Extension

1) Remove the wheel lock handle from the knee lever wheel lock (see Fig. 153). Cut open if necessary.
2) Slip the wheel lock lever extension on true to side (see Fig. 154).

3.12.5 Retrofitting the Drum Brake

In order to use rear wheels equipped with a drum brake, the standard fitting must be replaced with a mounting plate
with fitting, and brake handles and Bowden cables must be installed on the wheelchair.
Installing the mounting plate with fitting
1) Remove the standard fitting (quick-release axle housing) from the rear wheel adapter (see Page 45).
2) Install the rotation prevention.
3) Pre-install the mounting plate with fitting on the rear wheel adapter – do not tighten.
4) Insert the supplied spacer bushing between the mounting plate and the rotation prevention.
5) Connect the mounting plate and rotation prevention.
6) Install the mounting plate tightly on the fitting. Secure the hex nuts (size 24) with high-strength thread locker
(Loctite® 601). The proper tightening torque of the screw connection on the fitting is 50 Nm on each side.
48
5 mm
151
153
152
154
02/2011