SECTION 4—SEAT ASSEMBLY

Changing the Seat Width/Depth

NOTE: The seat frame width and depth are not adjustable. A new seat frame must be ordered to change seat depth and/or width. Refer to Replacing the Seat Frame on page 45.

Replacing the Seat Frame

NOTE: For this procedure, refer to FIGURE 4.13.

1.Remove the front riggings from the seat frame. Refer to Installing/Removing Front Riggings on page 66.

2.Remove the seat from the wheelchair. Refer to Removing/Installing the Seat Assembly on page 30.

3.Remove the seat pan. Refer to Removing/Installing the Seat Pan on page 44.

4.Remove the four mounting screws and locknuts securing the seat frame to the seat frame adapter.

5.Remove the seat frame from the seat frame adapter.

6.Discard the existing seat frame.

7.Align the four mounting holes of the new seat frame with the correct mounting position on the seat frame adapter (DETAIL “A” of FIGURE 4.13).

8.Using four existing mounting screws and four new locknuts, secure the seat frame to the seat frame adapter.

9.Install the seat pan. Refer to Removing/Installing the Seat Pan on page 44.

10.Install the seat onto the wheelchair. Refer to Removing/Installing the Seat Assembly on page 30.

Mounting Screws

Mounting Screws

 

DETAIL “A” - SEAT FRAME

 

MOUNTING POSITIONS

 

 

 

 

Seat

16 Inch

 

 

Frame

17 Inch

Front of Seat Frame

 

 

18 Inch

 

 

Adapter

 

 

19 Inch

 

 

 

 

 

20 Inch

 

 

 

21 and 22 Inch

 

 

16 Inch

 

 

 

17 Inch

Rear of Seat Frame

 

 

18 Inch

Adapter

 

 

19 Inch

 

Seat

 

20 Inch

 

Frame

 

21 and 22 Inch

Adapter

Locknuts

 

 

Locknuts

NOTE: Measurements given according to

 

 

seat frame depth.

 

FIGURE 4.13 Replacing the Seat Frame

Part No 1118377

45

Pronto® M71™

Page 45
Image 45
Invacare M71 service manual Changing the Seat Width/Depth Replacing the Seat Frame