112786 Rev. D
21
ENGLISH
IX.
Record the teeth engagement position of the splines on the right fork, and adjust the left fork
in a similar fashion to the same position. Reassemble both casters, and re-check that they are
square. Replace caps.
3
. 3-D Perpendicular Alignment
T
he allen bolt adjustment ( -F) provides another dimension of adjustability in addition to
the spline system. The bolt may be loosened to relieve tension in the stem assembly. The
caster angle may then be fine-tuned and the bolt retightened.
4. Correcting a Pull to the Right or Left
Determine which direction the chair is pulling (right or left). Make the following adjustments
to the caster on that side of the chair:
a. Loosen the screw ( -D) inside the caster tube using a custom 6mm Allen wrench.
b. Loosen the screw on the upper spline ( -F).
c. Rotate the upper spline ( -A) to turn the caster fork toward the forward driving
direction. Turn the ring clockwise, and the fork will swing outwards. Turn the ring
counterclockwise, and the fork will swing inwards.
d. When the caster fork is correctly rotated forward, retighten the screws.
e. After making the desired adjustment, recheck the squareness of the casters. (See
“Checking for Caster Squareness” in Section P).
Q. FOOTREST HEIGHT ADJUSTMENT
WARNING
The footrest is an integral part of the frame. Chair should not be ridden
without a footrest.
To adjust the height of your footrest, loosen the screw ( -B) on both footrest clamps. Slide
the footrest up or down to the new desired height and tighten the two set screws. Use a
MAX torque setting of 62 in-lbs (7 Nm). (Frame damage may occur if overtightened.) It is
recommended that you maintain a minimum of 2.0 inches (5 cm) between the lowest point
on the footrest and the floor ( -C). This will provide adequate clearance for uneven sur-
faces and prevent damage to your footrest.
Flip-up Footrest
To adjust the angle of the Flip-up Footrest, loosen two bolts (D) and rotate the footrest angle
stop bracket. Once positioned, retighten bolts (D) to 92 in-lbs. For certain narrow widths,
only one bolt will be present.
High Mount Footrest Mount
1. Loosen all four socket heads (E) on both sides of the chair.
2. Slide footrest to desired height.
3. Tighten socket to 62 in-lbs on both sides.
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