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This SAE Recommended Practice applies to electrically powered hydraulic or mechanically operated platform devices which permit a person seated in a manual or powered wheelchair to enter or exit a personally licensed vehicle. The minimum performance and durability requirements are specified for satisfactory installation of wheelchair lifting devices in a personally licensed vehicle to be used by a person seated in a wheelchair to be lifted from the ground plane to the vehicle floor level in a reliable and safe manner.

This SAE Information Report relates to a special class of automotive adaptive equipment which consists of modifications to the power steering system provided as original equipment on personally licensed vehicles. These modifications are generically called “modified effort steering” or “reduced effort power steering.” The purpose of the modification is to alter the amount of driver effort required to steer the vehicle. Retention of reliability, ease of use for physically disabled drivers and maintainability are of primary concern. As an Information Report, the numerical values for performance measurements presented in this report and in the test procedure in the appendices, while based upon the best knowledge available at the time, have not been validated.

This Information Report relates to a special class of automotive adaptive equipment which consists of modifications to the hydraulic control mechanism of Original Equipment Manufacturer (OEM) power steering systems provided as original equipment on personally licensed vehicles. These modifications are generically called "reduced effort power steering". The purpose of the modification is to lower the amount of driver effort required to operate the steering system. Retention of reliability, ease of use for physically disabled drivers and maintainability are of primary concern. Because this is an Information Report, the numerical values for performance measurements presented in this report and in the accompanying Test Procedure, while based upon the best knowledge available at the time, have not been validated by a testing of the Test Procedure.