
14-11
ZRA_Aero Z Owner’s Manual
OM_ZRA_Aero Z_0913RevA
CHAPTER 14: TRANSPoRTATioN oPTioNS
I
WARNING
A wheelchair-anchored lower leg restraint must be properly installed and used to restrain the
occupant while riding in a TiLite Aero Z (Aluminum Frame) wheelchair in a motor vehicle.
I
WARNING
A side-view pelvic-belt angle of 30° to 75° to the horizontal (see Figure 14-7) is preferred to lower
pelvic belt angles.
I
WARNING
Always ensure that the pelvic and upper torso belt buckles are positioned so that the release
buttons will not be contacted by wheelchair components during a crash.
1. Carefully inspect the occupant restraint system belts, brackets and clamps to ensure that they are
properly secured to the vehicle and are not damaged or worn.
2. Secure the wheelchair occupant using the pelvic belt and vehicle-anchored upper torso belt. See
Figure 14-7. It is imperative that you position the belts properly. Paragraphs 3 to 8 which follow explain
how to properly position your restraint belts.
3. The pelvic belt should be worn low across the front of the pelvis so that the angle of the pelvic belt is
within the preferred zone of 30° to 75° to the horizontal. See Figure 14-7. A steeper (greater) angle
within the preferred zone is desirable.
Figure 14-7
Pelvic Belt Angle
Note:
Steeper side-view pelvic-belt angles are especially important if the pelvic belt is intended to be
used for postural support in addition to occupant restraint in a frontal crash. Steeper angles will reduce
the tendency for a vertical gap to develop between the user and the belt due to compliance of seat
cushions and belt movement, thereby reducing the tendency for the user to slip under the belt and for
the belt to ride up on the soft abdomen during normal use.
Note
: Steeper belt angles also reduce the tendency for upper torso belts to pull the pelvic belt onto the
abdomen during frontal impact loading.
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