Service
Fresenius Medical Care
T688 Series
15
V1 Aug 2020
MJB
Junction
Box
MJB Junction Box removal / replacement
Figure 11. Top Frame
Figure 12. MJB Junction Box
•
To remove the MJB Junction Box:
1. Apply the chair brakes.
2. Raise the chair to its highest position, if applicable.
3. Disconnect the mains power supply cable from the wall outlet.
4. Remove the seat cushion (
Refer to Seat Cushion removal / replacement section on page 9
).
5. Undo the retention clip (
N
) from the MJB junction box using a screwdriver, located underneath
the chair (
Figure 12
).
6. Disconnect all the cables/ports (
L
) connected into the MJB junction box (
Figure 12
).
7. Undo the two bolts (
M
) located on the right side of the top frame, to allow the removal of the
MJB junction box
(Figure 11).
•
To replace the MJB Junction Box:
1.
Reposition the new MJB junction box underneath the top frame.
2.
Insert the two bolts that holds the MJB junction box into the top frame.
3.
Reconnect all cables/ports that were previously connected into the MJB junction box.
4.
Refit the seat cushion.
L
M
N
