Lift Column Removal / Replacement (T688) - Fresenius Medical Care T688 Series Service Manual

G
Figure 6. Top Frame
• To remove the Lift Column:
1. Apply the chair brakes.
2. Disconnect the mains power supply cable from the wall outlet.
3. Remove the seat cushion and the back rest
replacement section on page
4. Remove the four mounting bolts (G) from the top of the column (Figure 6). Undo the four bolts
using a T40 torx driver.
5. Lift the whole chair assembly off the column (Two people required).
6. Position the chair on its back (see Figure 7).
7. Remove the four mounting bolts (H) located at the bottom of the column (Figure 7).
• To replace the lift column:
1. Place the new column to the base and the four mounting bolts.
2. Place the chair upright on its castors.
3. Reposition the chair assembly onto the column.
4. Reposition the four mounting bolts of the column onto the top frame.
5. Refit the seat and backrest cushions.
Fresenius Medical Care
Service

Lift Column removal / replacement (T688)

(Refer to Backrest and Seat Cushion removal /
8-9).
T688 Series
G
H
Figure 7. Lift Column Base
H
12
V1 Aug 2020