Accessories; Retrofitting The Mechanical Back Angle Adjustment - Otto Bock A200 Service Instructions Manual

Steps:
1. Disconnect the motor connection on the controller.
2. Loosen the four self-locking nuts.
3. Remove the motor and replace if required.
Properly reassemble all components upon completion of the work.
fig. 40 Replacing the drive motor
6.11 Accessories

6.11.1 Retrofitting the Mechanical Back Angle Adjustment

For installation of the mechanical back angle adjustment device, a back frame with mounting
brace to receive the gas compression spring and a cross brace (including bearing plates) are
required, which are contained in the replacement kit.
Preparation:
❒ Remove the side panel (Section 6.4.1).
❒ Remove the bearing plates with back tube (see Section 6.8.1).
❒ Mount the cross brace and back frame for receiving the gas compression spring (see Sec-
tion 6.8.1; contained in the replacement kit, can be ordered separately).
Tools:
❒ Allen wrench, 3 mm
❒ Two Allen wrenches, 4 mm
Steps:
1. Insert the upper end of the gas compression spring between the two lugs in the centre of
the back rest.
2. Slide spacers onto the brass bushing to the left and right of the gas compression spring.
3. Slide the gas compression spring on to the brass bushing and tighten both Allen head screws.
4. Hook the lower end of the gas compression spring into the Bowden cable.
5. Slide the bolt through the end of the gas compression spring and secure with a retaining ring.
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