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Air Brake Actuator Test Performance Requirements—Truck and Bus
- Ground Vehicle Standard
- J2318_200811
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This procedure provides test performance requirements for service, spring applied parking, and double diaphragm combination air brake actuators with respect to durability, function, and environmental performance when tested in accordance to SAE J1469.
Rationale
The minimum pressure response is too sensitive to the size of the chamber to define a recommended range that can be applied for all sizes. The minimum pressure response recommended range was removed. The minimum pressure response is to be measured and recorded and made available upon customer request.
Recommended Content
| Technical Paper | Truck and Bus Brake System Performance Requirements (SAE J992) |
| Ground Vehicle Standard | Service Brake Structural Integrity Requirements—Truck and Bus |
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| TABLE 1 | LEAK RATE - PARKING AND SERVICE CHAMBERS | |
| TABLE 2 | PARKING CHAMBER FORCE OUTPUT @ STROKE (Nominal Forces Given ±10%) | |
| TABLE 3 | SERVICE CHAMBER FORCE OUTPUT @ STROKE | |
| TABLE 4 | ROTOCHAMBER FORCE OUTPUT - SERVICE @ STROKE | |
| TABLE 5 | LOW TEMPERATURE LEAKAGE - PARKING AND SERVICE CHAMBER |
Issuing Committee
Truck and Bus Brake Actuator Committee
The Truck and Bus Brake Actuator 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 air brake actuators and their interfacing as used on trucks, tractor-trailer combinations and buses over 10,000 lbs (4500 Kg) GVWR designed primarily for highway use.
Reference
| Number | Title |
|---|---|
| FMVSS121 | Air Brake Systems |
| J1469_201702 | Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers |
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