SECTION 11—RETROFITTING A SEATING SYSTEM
Part No 1125031
37
Overview
The PTO Plus retrofit kit will conatin a full assembly (seat, back, tilt actuator and
electronics) that MUST be attached to the wheelchair base. The retrofit kit and these
instructions are only for a system with MK5 electronics. The following checklist provides
an overview of the procedures necessary to install the PTO Plus seating system onto the
TDX, M71 or M91 base.
❑
Remove the existing seat pan.
❑
Remove the flip back armrests.
❑
Remove the existing seat (including the back).
❑
Remove the existing seat frame mounting hardware.
❑
Install the new seat mounting hardware.
❑
Install the new seat assembly.
❑
Connect the cables.
❑
Perform the post-inspection checklist. Refer to Post-Service Inspection Checklist on
page 27.
❑
TDX Wheelchairs with TRRO Only - Install the TRRO non-compliance label and
inform the wheelchair user of the change in transport ready status to TRBKTS.
❑
Pronto Wheelchairs with TRRO or TRBKTS - Inform the wheelchair user of the change
in transport ready status.
Removing the Existing Seat Pan
Wheelchairs with ASBA Seats
NOTE: For this procedure, refer to FIGURE 11.1 on page 38.
1. Remove the seat cushion by lifting up and disengaging from strips on the seat pan.
2. Remove the two long hex screws and locknuts that secure the seat pan, seat
positioning strap and pull pin to the seat frame.
3. Remove the four short hex screws, spacers, and locknuts that secure the seat pan to the
seat frame.
4. Remove the seat pan.
5. Remove the batteries. Refer to one of the following sections of the manual:
• Refer to TDX Batteries on page 171.
• Refer to M71 batteries on page 159.
• Refer to M91 Batteries on page 149.
6. Remove the flip back armrests. Refer to Removing the Flip Back Armrests on page 39.
