SECTION 8—BASE FRAME
55
SECTION 8—BASE FRAME
Removing/Installing Seat
NOTE: Before removing the seat assembly, note the position and orientation of the mounting position and hardware.
NOTE: If making any changes to the seat assembly that would effect the wheelchair center of gravity (adjusting seat depth or back height,
adding or removing a powered seating option, etc.) then it is necessary to check the stability lock adjustment. Refer to Adjusting the
Stability Lock Setting on page 53.
Adult Size Seats
NOTE: For this procedure, refer to FIGURE 8.1 on page 55.
Removing
1.
Remove seating system and seat pan.
2.
Remove the eight 5/16-18 X 3/4 socket head screws, 11/32 X 13/16 X 3/4 ground washers and four 5/16-18 plates that
secure the seat frame to the base frame.
3.
Lifting up, remove the seat assembly from the base frame.
Installing
1.
Position the seat assembly onto the base frame.
2.
Using the eight 5/16-18 X 3/4 socket head screws, 11/32 X 13/16 X 3/4 ground washers and four 5/16-18 plates, secure the
seat frame to the base frame. Torque to 13 ft-lbs ± 20%.
3.
Remove seating system and seat pan.
FIGURE 8.1
Removing/Installing Seat - Adult Size Seats
11/32 X 13/16 X 3/4
Ground Washers
6/16-18 Plates
Seat Frame
Base Frame
5/16-18 X 3/4 Socket
Head Screws