Service
Fresenius Medical Care
T688 Series
14
V1 Aug 2020
Battery
Backup
Battery Backup removal / replacement
Figure 9. Top Frame
Figure 10. Battery Backup
•
To remove the Battery:
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 Backrest and Seat Cushion removal / replacement
section on page 8-9).
5.
Undo the four screws (
K
) located on the left side of the top frame, to allow the removal of the
battery (
Figure 9
).
6.
Disconnect the battery cable from the control box (
Figure 4
, (
E
),
Page 10
).
•
To replace the Battery:
1.
Connect the cable of the new battery to the control box.
2.
Reposition the battery underneath the top frame, to its initial position.
3.
Insert the four screws into the top frame.
4.
Refit the seat cushion and backrest.
K
K
