Replacing/Installing Front Fork Assembly [Figure 21, Figure 22]
1. Insert the caster fork assembly into the wheelchair main side rail opening as
shown in Figure 6c.
2. Important: Ensure the caster fork is 90° perpendicular to the flat surface
3. Insert the 1/4-20 x 1” socket head cap screw (‘A’) through the wheelchair main
side rail opening and caster stem housing as shown in Figure 6c. The socket head
cap screw is used to hold the fork stem in place so that when the angle of the fork
assembly is adjusted it is maintained. The fork angle can be set at 0º, 2º, 4º or 6º
as shown in Figure 6d.
4. Also secure the fork assembly to the main side rail by using a 1/2-20 lock nut (‘B’)
as shown in Figure 6c.
5. Install the front caster by following REPLACING/INSTALLING FRONT CASTERS guide
In the above section.