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37
930336 Rev. E
IX. SET-UP, ADJUSTMENT & USE
N. SEAT SLING
1. Adjustment
The seat sling tension can be adjusted
through use of VELCRO
®
retaining mate-
rial beneath the seat.
a) Remove the screws retaining the
left side seat sling using a #2
phillips screwdriver.
b) Readjust VELCRO
®
material to ten-
sion seat sling.
c) Replace screws and tighten to a
torque of 60 in.-lbs. (6.8
N
.
m). If
there is any difficulty in reattach-
ing the screws, try using a probe
to help line up the holes.
2. Suspension Seat Sling
The suspension seat sling does not
require adjustment.The screws should
not be removed except by an autho-
rized supplier.
36
930336 Rev. E
IX. SET-UP, ADJUSTMENT & USE
M.DYNAMIC STABILIZER
1. 5" Rear Wheel Adjustment
a) Remove rear batteries.
b) Remove the upper pivot bolt (C)
on the rear wheel spring.
c) Set at desired height.
d) Tighten nut. Use a torque setting of
240 in.-lbs. (27
N
.
m) to tighten nut.
Note: The lowest point of the rear wheels
should be 1/4" to 1/2" (6 to 13 mm) from the
ground to allow for proper clearance (with the
tires properly inflated and rider sitting in the
chair).A smaller clearance produces less
rocking motion, and a larger clearance allows
easier movement on deep carpets.
2. Spring Adjustment
The stiffness of the dynamic stabilizer is
adjusted by moving the 5" (125 mm)
wheels forward or backward. For a stiffer
spring, move 5" (125 mm) wheels for-
ward. For a softer spring, move the 5"
(125 mm) wheels back.
3. Dynamic Stabilizer Wheel Positioner
a) For riders weighing from 135 to 175
(61 to 80 kg) lbs. place 5" (125 mm)
rear wheels in center hole on rear
wheel spring.
b) For riders weighing less than 135 lbs.
(61 kg) place 5" (125 mm) rear wheels
in rear position.
c) For riders weighing 175 to 250 lbs.
(80 to 113 kg) place 5" (125 mm) rear
wheels in front position on rear
wheel spring.
Note: In addition to the user’s weight, the
seat depth and back angle adjustment will effect
this choice. Choose the position that provides
the most comfortable transition onto and off
of the dynamic stabilizer wheels.
C