Retrofitting With Seat Height Adjustment (Optional) - Otto Bock B400 Service Manual

fig. 63 Retrofitting with 20° seat tilt

6.16.4 Retrofitting with seat height adjustment (optional)

The seat height adjustment feature is supplied as a preassembled unit (fig. 64-1).
Preparation:
❒ Remove the old seat (including the seat plate and seat frame).
Tools:
❒ Ring or open-end spanner, size 13
❒ Allen wrench, size 5
Steps:
1. Mount the front seat brackets (fig. 64-2).
2. Mount the rear seat brackets using the distance bushings (fig. 64-3).
3. Mount the bearing plate to the seat height adjustment mounting unit to accommodate the
patient's seat depth.
4. Mount the seat height adjustment mounting unit on to the wheelchair frame with the seat
brackets.
5. Fasten the additional cables to the frame with cable ties to prevent them from extending into
the adjustment range.
InfoRmaTIon
The cables are routed from the opening of the top expansion bellows plate along the angled
cable tracks on the right and left (fig. 64-4) to the controller. Make sure the cable length is
sufficient for all seat heights and the cables cannot be crushed.
6. Adjust the metal tab of the microswitch (fig. 64-5). The adjustment is made by changing
the length and moving the metal tab to the right or the left. Make sure the metal tab cannot
crush the microswitch.
B400 Family
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Service work
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Ottobock | 63