Replacing The Attendant Control; Replacing The Manual Centre Tray Control - Otto Bock 490E75 Series Service Manual

4.8.9

Replacing the attendant control

Prerequisites:
Switch off the control unit and deactivate the main fuse (see Page 15).
Remove the back padding.
Tools: Allen wrench size 5
Removing the attendant control
1) INFORMATION: Note the installed position of the cable connections being loosened.
Follow the attendant control cable and disconnect it at the appropriate place (see Fig. 47, item 1). Remove ad-
ditional cable attachments if necessary (see Fig. 47, item 2).
2) Loosen and remove the screw in the bracket on the back tube (see Fig. 48, item 1).
3) Loosen and remove the clamping lever for the bracket on the back tube (see Fig. 48, item 2).
4) Remove the attendant control with the bracket.
Installing the attendant control
1) Position the attendant control with the bracket on the back tube.
2)
3)
4) Position and connect the cable for the attendant control according to its original installed position (see Fig. 47,
item 1).
5) Reattach the loosened cable attachments (see Fig. 47, item 2).
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4.8.10

Replacing the manual centre tray control

Prerequisites:
Switch off the control device and deactivate the main fuse (see Page 15).
Tools: Phillips screwdriver size 3; Allen wrench size 3, 4; open-ended or wring wrench size 10
Removing the control panel of the centre tray control
1) Disconnect the cable of the control panel from the cable extension. Remove the cable attachments if necessary.
2) Loosen and remove the tray, and set it aside.
3) Swing the control panel to the bottom of the tray (see Fig. 49).
4) Loosen and remove the 2 screws with 1 washer each on the bottom of the control panel (see Fig. 49, item 1).
5) Disconnect the charging receptacle cable from the control panel (see Fig. 50, item 1).
6) Remove the control panel (see Fig. 50, item 2).
7) If necessary: Remove the swivel mechanism and charging receptacle (see Page 36).
Installing the control panel for the centre tray control
1) If necessary: Install the swivel mechanism and charging receptacle (see Page 36).
2) Connect the charging receptacle cable on the control panel (see Fig. 50, item 1).
3) Set control panel onto the swivel mechanism (see Fig. 50, item 2).
4)
item 1).
5) Attach the tray to the wheelchair.
6) Connect the cable of the control panel to the cable extension. Reattach the loosened cable attachments in doing so.
490E75=0_C
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Service work
Ottobock | 35