This SAE Recommended Practice establishes methods to determine grade parking performance with respect to:
a. Ability of the parking brake system to lock the braked wheels.
b. The vehicle holding or sliding on the grade, fully loaded or unloaded.
c. Applied manual effort.
d. Unburnished or burnished brake lining friction conditions.
e. Down and up grade directions.
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Parking Brake Structural Integrity Test Procedure Vehicles Over 4500 kg (10 000 lb) GVWR—Truck and Bus
J1476_201910
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Parking Brake Control Identification - Vehicles with Hydraulic Brake Systems and Automatic Transmissions
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