11-2
Aero R Owners Manual
OM_R_0809RevB
CHAPTER 11: CASTERS, FORKS AND CASTER PIN LOCKS
Caster Pin Locks
I
WARNING
ALWAYS be sure to disengage both caster pin locks before attempting to propel 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.
To engage the caster pin locks:
1. Rotate the caster until either notch on the lock ring is directly beneath the T-Handle. See Figure 11-2.
2. Lift, rotate and lower the T-handle down into the lower notch on the caster pin lock. See Figure 11-3.
3. Make sure the pin lock is fully engaged in one of the notches in the lock ring.
To disengage the caster pin lock, lift, rotate and lower the T-Handle down into the upper notch on the caster pin lock.
See Figure 11-2.
T-Handle
Notch
Lock Ring
Figure 11-3
Caster Pin Lock in Locked Position
Figure 11-2
Caster Pin Lock in Unlocked Position
T-Handle
Notch
Notch
Notch
Lock Ring
Angle Adjustable “Bullet” Caster Housing
Adjusting the Angle
Tools Needed:
• 7/16” Open End Wrench
• 5/32” Allen Wrench
• Drafting Triangle
1. Place the chair on a level surface.
2. Loosen the locknut while keeping the Allen Screw from rotating. Loosen only enough to permit the Allen Screw to
turn with an Allen Wrench. See Figures 11-4 and 11-5.
3. Turn the Allen Screw to adjust the angle of the fork so that the fork engages rearward. See Figure 11-5.
4. Using a drafting triangle or similar 90° angle tool as shown in Figure 11-5, rotate the fork forward until the flat
edge of the fork is perpendicular to the level surface.
5. Using the Allen Wrench to prevent the Allen Screw from turning (and the angle of the fork from changing), use the
open end wrench to tighten the locknut securely.
6. After tightening the locknut, recheck the fork to be certain it is still perpendicular to the ground before riding.
Note: If your chair is equipped with Frog Legs
®
, you must square the “Bullet” Caster Housing to the level surface
because the flat edge of the Frog Legs
®
fork (see Figure 11-10 on page 11-5) is not parallel to the “Bullet” Caster
Housing.
Summary of Contents for Aero R
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