J1729_200802 Parking Brake Drawbar Pull Test Procedure—Truck and Bus

Revised

02/22/2008

Features
Issuing Committee
Scope
Content
This SAE Recommended Practice provides a test method and instructions for measuring performance of parking brakes on air- or hydraulic-braked vehicles equipped with in-wheel or drive-line parking brakes. This procedure applies to truck-tractors, trailers, trucks and buses.
Rationale
Content
This document has been updated in keeping with the five-year review process. The Brake Systems Subcommittee has sanctioned the following changes:
  1. a
    Removed the parking brake drawbar pull test procedures from SAE J1626 and incorporate as appropriate into SAE J1729 and SAE J360. The SAE J1626 will only reference these two procedures as appropriate when required.
  2. b
    Added SAE J2503 as reference.
  3. c
    Removed SAE J1626 specific section numbers based on the upcoming and ongoing revisions with this document.
  4. d
    Revised Section 5.3 to agree with SAE J1626 burnish snub procedure changes with the transmission in the highest gear appropriate for 40 mph.
  5. e
    Removed pressure-applied/mechanically locked actuators from Section 5.11.
  6. f
    Changed title from Commercial Vehicle to Truck and Bus.
  7. g
    Other editorial changes for clarity as appropriate.
Meta TagsDetails
DOI
https://doi.org/10.4271/J1729_200802
Pages
10
Citation
SAE International Recommended Practice, Parking Brake Drawbar Pull Test Procedure—Truck and Bus, SAE Standard J1729_200802, Revised February 2008, Issued August 1995, https://doi.org/10.4271/J1729_200802.
Additional Details
Publisher
Published
Feb 22, 2008
Product Code
J1729_200802
Content Type
Recommended Practice
Status
Revised
Language
English