The scope and purpose of the SAE Recommended Practice is to provide standards for the control and indication of parking brakes in hydraulic braked vehicles over 4540 kg (10000 lb) GVWR. This recommended practice pertains to automatic transmission applications and supplements the SAE J915 recommended practice. This recommended practice does not address parking brake system performance. Parking brake system performance, both static and dynamic conditions, is the responsibility of the OEM vehicle manufacturer or manufacturers that modify the vehicle by adding special vocational required equipment (such as but not limited to outriggers, cranes, etc.).
Rationale
This technical report is being stabilized because it covers technology, products, or processes which are mature and not likely to change in the foreseeable future.
The Truck and Bus Hydraulic Brake Committee of the Truck and Bus Brake and Advanced Driver Assistance Systems Steering Committee is responsible for developing, reviewing, and approving recommended practices, standards, and information reports related to brake systems on hydraulically braked trucks and buses over 10,000 lbs (4500 Kg) GVWR designed for on-highway use. The responsibility of this committee will include the following related aspects of hydraulically braked vehicles with due care given to coordinate with and avoid duplicating efforts of the other committees: Braking performance - system components performance (to include but not limited to actuation systems, foundation brake, park brake, electronically controlled brake systems and anti-lock brake systems)
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J2688_202007
Parking Brake Control Identification - Vehicles with Hydraulic Brake Systems and Automatic Transmissions
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Parking Brake Control Identification - Vehicles with Hydraulic Brake Systems and Automatic Transmissions
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