SAE J 1513-2004 External Automatic Slack Adjuster Performance Requirements.pdf

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5、eaffirmed 2016-07 Superseding J1513 MAY2010 External Automatic Slack Adjuster Performance Requirements RATIONALE J1513 has been reaffirmed to comply with the SAE five-year review policy. FOREWORD The performance requirements in this SAE Recommended Practice were derived from established performance

6、requirements utilized by external automatic slack adjuster manufacturers and users. 1. SCOPE The performance requirements have been established for external automatic slack adjusters when tested to SAE J1462. 2. REFERENCES 2.1 Applicable Publication The following publication forms a part of the spec

7、ification to the extent specified herein. Unless otherwise indicated, the latest revision of SAE publications shall apply. 2.1.1 SAE Publication Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J1462 External Automatic Slack Adjuster Test Procedure 3. OBJECTIVE To establish

8、 acceptable levels of performance for external automatic slack adjusters. 4. REQUIREMENTS External automatic slack adjusters must meet all of the following requirements to be in compliance with this document. All following requirements will be preceded with a number in parentheses. This number is a

9、reference to the appropriate part of the test procedure in SAE J1462. SAE INTERNATIONAL J1513 JUL2016 Page 2 of 2 4.1 (4.1 and 9.2.3) Adjusting Torque The adjusting torque in either direction not to exceed the manufacturers recommendation. 4.2 (4.2) Backlash not to exceed 6.35 mm (0.25 in). 4.3 (9.2

10、.3) During any checking phase, the adjusting torque must not exceed the manufacturers recommended values of 4.1 by more than 19.8 Nm (175 in-lb) and there must be no structural fractures. 4.4 (7.2.4 and 8.6) If the shut-off device has been triggered, the adjuster does not comply with the performance

11、 requirements. 4.5 All Chamber strokes measured at 856 kPa (85 psi) in sections 10.9.5.3, 10.9.6.2, 10.9.7.2, 10.9.8.2, 10.9.9.5, 10.9.9.9, 10.9.9.13, and 10.9.9.17 of SAE J1462, shall not exceed 50.8 mm (2.00 in). 5. NOTES 5.1 Marginal Indicia The change bar (l) located in the left margin is for th

12、e convenience of the user in locating areas where technical revisions have been made to the previous issue of the report. An (R) symbol to the left of the document title indicates a complete revision of the report. PREPARED BY THE SAE TRUCK AND BUS FOUNDATION BRAKE SUBCOMMITTEE OF THE SAE TRUCK AND BUS BRAKE COMMITTEE REAFFIRMED BY THE SAE TRUCK AND BUS FOUNDATION BRAKE COMMITTEE OF THE SAE TRUCK AND BUS BRAKE AND STABILITY CONTROL STEERING COMMITTEE