12 WWW.SPEXSEATING.COM
SPEX HEAD SUPPORT USER MANUAL
WARNING
1. The distance between the top of the user’s shoulder and the top of
the back should not exceed 6.5” (16.5 cm).
2. The Spex Seating System must only be used with wheelchair bases
that are tested as part of a wheelchair system that conforms to
performance requirements of ISO 7176-19 and RESNA WC-4:2012,
Section 19.
3. The Spex Seating System should only be used on wheelchair frames
that provide four securement points and pelvic-belt anchor points
that conform to the requirements of RESNA WC-4: 2012, Section 19.
4. The wheelchair must be labelled as appropriate for use as a
seat in a motor vehicle, dynamically tested to the performance
requirements of ISO 7176-19 and installed, used and maintained
according to the manufacturer’s instructions.
5. The Spex Seating System must only be used as indicated in this
user manual.
6. Both pelvic and shoulder-belt restraints as a part of a complete
Wheelchair Tie down and Occupant Restraint System (WTORS)
which meets ISO 10542-1 shall be used to achieve effective
occupant restraint and optimum protection in a vehicle impact; the
belt restraints should be compatible with the specific wheelchair,
and fitted to the user in accordance with WTORS manufacturer’s
instructions.
7. Back supports with adjustable recline angles should not be
tilted back more than 30° beyond the vertical during travel in
vehicles unless necessary for the medical and postural needs of
the occupant.
8. If the back support must be adjusted to an angle that is greater
than 30° beyond the vertical during travel, the upper shoulder-belt
anchor point should be adjusted rearward to maintain belt contact
with the wheelchair occupant’s shoulder and chest.
