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Service work
195
4.14.4
Adjusting/replacing the back (standard seat)
INFORMATION
Please note that adjusting the seat depth changes the centre of gravity. To ensure that the
driving characteristics are maintained, the seat depth after delivery of the power wheelchair may only be adjusted
by 20 mm respectively to the front or rear without additional conversion measures. For larger adjustments, the
seat's centre of gravity must be adjusted by sliding the seat frame and combination seat height and seat tilt adjust-
ment module relative to the drive platform. For further information, see Page 78 ff.
Prerequisites:
Switch off the control unit and deactivate the main fuse (see Page 15).
Remove the seat cushion and back padding.
Tools: Allen wrench size 5; open-ended or ring wrench size 13; torque wrench with Allen insert size 5
Adjusting/removing the back (standard seat)
1) Loosen and remove the screws in the bearing plates on both sides (see Fig. 191/192, item 2).
2) Adjust the back.
3) INFORMATION: Note the installed position of the cables, cable attachments and add-on components
of the back.
If necessary: Pull the back support down and off the seat frame. Loosen and remove all add-on components for
the back support and cables with cable attachments.
Positioning/installing the back (standard seat)
1) Position the back support on the seat frame and in the desired position.
2)
Fig. 191/192, item 2).
INFORMATION: Note that changing the seat depth may also change the installation positions of other
pending on the seat depth. Only choose positions that are permissible for the respective components.
3) Reattach all loosened cables, cable attachments and add-on components for the back.
4) Check and adjust the seat's centre of gravity (see Page 78 ff.).
92 | Ottobock
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490E75=0_C
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