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SECTION 1—GENERAL GUIDELINES
Part No. 1100869 15 9000 Topaz™Wheelchair
Stability
The back height, front caster position, caster size, seat-to-floor angle, position of the rear
wheels, correct anti-tipper as well as the end userʹs disability or end userʹs physical
condition and capabilities directly relate to the stability of the wheelchair. Any change to
one (1) or any combination of the nine (9) may cause the wheelchair to decrease in
stability. These adjustments MUST be performed by a qualified technician.
Seat-to-floor heights have specific positions depending on rear wheel size, rear wheel
position, front caster position and seat-to-floor angle. These adjustments must be
performed by a qualified technician.
Anti-Tippers
Inasmuch as anti-tippers are an option on this wheelchair (you may order with or without
the anti-tippers), Invacare strongly recommends ordering anti-tippers as an additional
safeguard for the wheelchair user.
Anti-tippers are specific to the different rear wheels and/or seat-to-floor heights. Refer to
the chart in Installing Anti-Tippers
on page 40 for correct usage and adjustment. If these
requirements cannot be achieved, DO NOT use the wheelchair. Contact an Invacare
dealer or qualified technician. Any changes to the seat-to-floor angle or seat-to-floor
height may require different anti-tippers. The correct anti-tippers MUST be ordered to
maintain a 1½ to 2 inch ground clearance.
Anti-tippers MUST be fully engaged. Ensure that the locking pins of the anti-tippers fully
protrude out of the hole on the side of the wheelchair frame. Ensure both anti-tippers are
adjusted to the same height.
ALWAYS use anti-tippers. When outdoors on wet, soft ground or on gravel surfaces,
anti-tippers may not provide the same level of protection against tipover. Extra caution
must be observed when traversing such surfaces.
NOTE: When changes to the left hand column occur,
follow across the chart and refer to the X procedure to
maintain the proper stability, safety and handling of
the wheelchair.
BACK HEIGHT
SEAT-TO-FLOOR ANGLE
CASTER SIZE
CASTER POSITION
WHEEL POSITION
USER CONDITION
ANTI-TIPPERS
BACK HEIGHT • X X X X N/A N/A
CASTER POSITION X N/A X • X N/A X
CASTER SIZE X N/A • X X N/A X
SEAT-TO-FLOOR ANGLE N/A • N/A N/A N/A N/A N/A
WHEEL POSITION X N/A X X • N/A X
USER CONDITION X X X X X • N/A