Memorandum - NHTSA
Memorandum - NHTSA
Memorandum - NHTSA
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Iv-35<br />
lift in the host vehicle as well as how to installkonnect waming signals, platform illumination<br />
lamps, the 8 interlocks included in the Final Rule, and the control unit and independent power<br />
switch unit. The installation instructions are to include diagnostic checks to ensure that the<br />
system is properly installed in the vehicle.<br />
Test Conditions and Procedures 67.0)<br />
This section includes detailed performance test procedures and specifies the test devices that a re<br />
necessary to perform the tests. Test devices include:<br />
Test pallet and load (S7.1.l) - The test palled consists of a rectangular steel plate with<br />
sides that measure between 660 mm (26 in) and 686 mm (27 in) which is used to<br />
accommodate the standard load. The standard load for public lifts is 272 kg (600 lb).<br />
This is in line with Access Board and FTA guidelines, which also apply to public use<br />
lifts. The standard load for private lifts is the load specified by the manufacturer or 18 L<br />
kg (400 lb) whichever is greater. SAE, which also applies to private use lifts, specific:, a<br />
standard load of 272 kg (600 lb). Due to public comment and the fact that we apply<br />
lesser requirements to private use lifts in other areas, we decided to allow the standard<br />
load for private use lifts to be the load specified by the manufacturer or 400 lb whicheyyer<br />
is greater. This will allow lower capacity lifts designed for children, etc. to continue tu<br />
exist.<br />
Wheelchair test device (S7.1.2) - The test device is an unloaded power wheelchair whc Ise<br />
size is appropriate for a 95'h percentile male. A wheelchair used for the test device mu st<br />
have a cross-braced steel frame, a sling seat, a belt drive, detachable/adjustable footrests<br />
that adjust within a specific range, pneumatic rear wheels with a specific diameter,<br />
pneumatic front wheels with a specific diameter, a specific wheelbase, a specific center of<br />
gravity location and a specific mass. The wheelchair test device is used for the dynam1.c<br />
test of the wheelchair retention device and inner roll stop as well as to simulate<br />
occupancy of surfaces during the threshold waming system test and some interlock tests.