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Long-Stroke Air-Brake Actuator Marking
- Ground Vehicle Standard
- J1817_201802
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Recommended Practice describes a marking system to distinguish long-stroke from standard stroke for service, parking, and combination air-brake actuators, and components. Said actuators are used for applying cam type foundation brakes by slack adjuster means.
Rationale
This revision brings renewed focus on the original purpose of the document by 1) re-establishing the list of air brake actuators with the industry recognized standard stroke and 2) providing a list of the different means by which air brake actuators with stroke lengths greater than the industry recognized standard stroke can be identified.
The revision also adds reference to SAE J2899 (Brake Adjustment Limit for Air Brake Actuators) as the recognized source for brake inspection limits based on actuator rated stroke and as an additional means for stroke length identification.
Recommended Content
| Ground Vehicle Standard | Brake Adjustment Limit for Air Brake Actuators |
| Ground Vehicle Standard | Air Disc Brake Actuator Test Requirements |
Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| Unnamed Dataset 1 | ||
| Table 1 | Air-brake actuator rated service stroke - clamp band/sealed designs - standard stroke |
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 |
|---|---|
| J1469_201702 | Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers |
| J1953_201805 | Brake-Stroke Indicator Design Guideline for Cam or Disc Air-Brake Actuators |
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