Power Seat Functions; Retrofitting With Power Back Angle Adjustment (Optional) - Otto Bock B400 Service Manual

Service work

6.16 Power seat functions

InfoRmaTIon
To control all the additional power functions, the controller and the control panel installed must
be of the version designed for additional power functions. Please see sections 6.4 and 6.8.

6.16.1 Retrofitting with power back angle adjustment (optional)

For installation of the power back angle adjustment feature a back frame with cross-brace, new
upholstery and an actuator for the backrest are required.
The power back angle adjustment is supplied as a preassembled unit.
Preparation:
❒ Turn the control unit off.
❒ Remove the fuse (see section 6.2).
❒ Remove the backrest from the bearing plates (see section 6.10.8).
❒ Remove the bearing plates.
Tools:
❒ Allen wrench, size 5
❒ Ring or open-end spanner, size 13
Steps:
1. Install the bearing plate with cross-brace mounting unit (fig. 60-1).
2. Attach the backrest to the bearing plates.
3. Connect the top and bottom actuators to the backrest:
a. Top: connect the actuator to the back frame. Ensure the washers are installed in the cor-
rect order (fig. 60-2).
b. Bottom: connect the actuator ratchet bolt to the locking mechanism on the cross-brace
(fig. 60-3).
4. If required, replace the controller/control panel with the version designed for additional power
functions (see section 6.4/6.8).
5. Connect the actuator to the controller (input A1 or A2; see fig. 69).
6. Check the functioning of the back angle adjustment feature.
Properly reassemble all components upon completion of the work.
NOTICE
Risk of damage to cables due to protrusion into the adjustment area. Fasten the connection
cables to the frame with cable ties to prevent them from extending into the adjustment area.
58 | Ottobock B400 Family