J1452_201106 Trailer Grade Parking Performance Test Procedure

This SAE Recommended Practice establishes methods to determine grade parking performance with respect to:

1. a
   Ability of the parking brake system to lock the braked wheels.
2. b
   The trailer holding or sliding on the grade, fully loaded or unloaded.
3. c
   Applied manual effort.
4. d
   Unburnished or burnished brake lining friction conditions.
5. e
   Down and up grade directions.