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SAE J294-1993 (R)SERVICE BRAKE STRUCTURAL INTEGRITY TEST PROCEDURE-VEHICLES OVER 4500 KG(10 000 LB)GVWR
Foreword-This Document has not changed other than to put it into the new SAE Technical Standards Board Format.
1. Scope-This SAE Recommended Practice establishes a method of testing the structural integrity of the brake system of all new trucks, buses, and combination vehicles designed for roadway use and falling in the following classifications:
a. Truck and Bus-Over 4500kg(10 000 Ib) GWR
b. Combination vehicle-Towing vehicle over 4500 kg (10 000 b) GWR
The test consists of two parts:a Structural Endurance Test followed by a Structural Ultimate Strength Test.
1.1 Purpose-The main purpose of the document is to evaluate the structural integrity of a vehicle's braking system. However, other areas such as the steering or suspension system may also be evaluated during the test provided that the criteria and procedure detailed as follows are not modified in any way. For repeatability, it is recommended that a brake apply device be utilized whenever possible, since it would eliminate the variations in application times and efforts of different operators.
2. References
2.1 Applicable Publications-The following publications form a part of the specification to the extent specified herein. Unless otherwise indicated the lastest revision of SAE publications shall apply.
2.1.1 SAE PUBLICATION-Available from SAE,400 Commonwealth Drive, Warrendale, PA 15096-0001.
SAE J2115-Brake Performance and Wear Test Code-Commercial Vehicle Inertia Dynamometer
2.2 Related Publications-The following publications are provided for information purposes only and are not a required part of this document.
2.2.1 FMVSS PUBLICATIONS-Available from the Superintendent of Documents,U.S. Government Printing Office, Washington, DC 20402.
FMVSS 105
FMVSS 121
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