11-2
2GX/AERO X Owner’s Manual
OM_2GX/AERO X_0413RevA
CHAPTER 11: CASTERS, FORKS AND CASTER PIN LOCKS
I
WARNING
The fork stem is permanently installed in the “Bullet” Caster Housing. Do not attempt to unscrew the fork stem. If you have
a 2GX or Aero X and it becomes necessary to replace the fork stem, you will need to order the “Bullet” Caster Housing/fork
stem assembly.
If you ignore this Warning, you may fall, tip over or lose control of the wheelchair and seriously injure
yourself or others or damage the wheelchair.
1. Remove the casters. See “Replacing Casters” on page 11-1.
2. Loosen and remove the nylock nut and washer that secure the fork to the fork stem. See Figure 11-1.
3. Remove the old fork and install the replacement fork on the fork stem.
4. Replace the nylock nut and washer and securely tighten.
5. Reinstall the casters. See “Replacing Casters” on page 11-1. With the chair tipped backward so that the stem bolt is
parallel to the ground, when released, the caster should swing passed perpendicular then return perpendicular to the
ground.
Casters and Bearing Forks
(Hemi Height)
I
WARNING
Always mount identical size casters and forks on both sides of your chair.
If you ignore this Warning, you may fall, tip over
or lose control of the wheelchair and seriously injure yourself or others or damage the wheelchair.
Replacing Casters
To replace the casters, please follow the instructions under “Casters and Bearing Forks - Replacing Casters” on page 11-1.
Replacing Bearing Forks
To replace the forks, please follow the instructions under “Casters and Bearing Forks - Replacing Bearing Forks” on pages
11-1 and 11-2.
Figure 11-2
Hemi Height Bearing Forks
“Bullet” Caster
Housing
Fork Stem
Phillips
Head
Screw
Fork
Spacer
Caster
Spacer
Phillips
Head Screw
Axle
Nylock Nut
Washer
C Spring
Washer
C Spring
Washer