SECTION 4—SEAT ASSEMBLY
Pronto® M71™ 40 Part No 1118377
Replacing the Seat Frame
NOTE: For this procedure, refer to FIGURE4.13.
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 page35.
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 35.
10. Install the seat onto the wheelchair. Refer to Removing/Installing the Seat Assembly
on page 30.
FIGURE 4.8 Replacing the Seat Frame
Seat
Frame
Locknuts
Mounting Screws Mounting Screws
Locknuts
DETAIL “A” - SEAT FRAME
MOUNTING POSITIONS
NOTE: Measurements given according to
seat frame depth.
Seat
Frame
Adapter
16 Inch
17 Inch
18 Inch
19 Inch
20 Inch
16 Inch
17 Inch
18 Inch
19 Inch
20 Inch
Rear of Seat Frame
Adapter
Front of Seat Frame
Adapter