Replacing The Actuator For The Power Back Angle Adjustment (Vas Seat) - Otto Bock 490E75 Series Service Manual

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4.14.10 Replacing the actuator for the power back angle adjustment (VAS seat)

Prerequisites:
Switch off the control unit and deactivate the main fuse (see Page 15).
Tools: 2x Allen wrench size 4; torque wrench with Allen insert size 4
Removing the actuator for the power back angle adjustment (VAS seat)
1) INFORMATION: Note the installed position of the cable connections being loosened. The actuator cable
Follow the actuator cable and disconnect it from the seat module/controller. To do so, remove the cover from the
seat module / controller (see Page 25/Page 19).
2) Disengage and pull out the quick release turnbuckle (see Fig. 204, item 1).
3) Fold the back forwards onto the seat.
4) Loosen and remove the screw with sleeve nut between the back support and the bearing eye of the power back
support angle adjustment actuator (see Fig. 205, item 1).
5) INFORMATION: Take note of the installed position of the actuator cable.
Remove the actuator for the power back angle adjustment with the actuator cable. Remove additional cable at-
tachments if necessary.
Installing the actuator for the power back angle adjustment (VAS seat)
1)
2) Insert the screw with sleeve nut into the back support and the bearing eye of the power back support angle ad-
3) Carefully fold the back to the rear and position the actuator on the lower connecting tube.
4) Insert the quick release turnbuckle into the back and the actuator mounting and engage it (see Fig. 204, item 1).
5) Position and connect the actuator cable according to its original installed position.
INFORMATION: The actuator cable is connected to the seat module or the controller depending on the
6) Reattach the loosened cable attachments and covers.
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490E75=0_C
205, item 1).
205
Service work
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