SECTION 10—BASE FRAME
96
Replacing Suspension Arm for Wheelchairs with
Motor/Gearbox Assembly
NOTE: For this procedure, refer to FIGURE 10.11.
1. Remove the drive wheels from the wheelchair. Refer to Removing/Installing Drive
2. Loosen the hex screws that secure wiring harness to sub-frame assembly.
3. Remove gearbox from the existing suspension arm. Refer to Removing/Installing
4. Remove plug buttons from the middle of the base frame.
5. Remove the hex screws and the beveled washers that secure the suspension arm
assembly to the base frame.
6. Remove existing suspension arm from the wheelchair.
NOTE: When installing the new suspension arm, the beveled washers MUST be placed on the
inside and outside of the base frame, with the bevels facing each other.
7. Install the new suspension arm assembly onto the base frame.
8. Torque suspension arm hex screws (1/2 x 7-inches) to 85 ft-lbs (approximately 1,020
in-lbs) (115.24 Nm) and replace plug buttons.
9. Reinstall the gearbox onto the existing suspension arm. Refer to Removing/Installing
10. Tighten the hex screws that secure wiring harness to sub-frame assembly securely.
11. Reinstall the drive wheel onto the wheelchair. Refer to Removing/Installing Drive
12. Repeat STEPS 1-11 for the opposite side of the wheelchair, if necessary.
FIGURE 10.11
Replacing Suspension Arm for Wheelchairs with Motor/Gearbox Assembly
Suspension Arm
Beveled Washers
Plug Button
Suspension Arm Hex Screw (1/2 x 7 Inches)