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Truck and Bus Grade Parking Performance Test Procedure
- Ground Vehicle Standard
- J360_200802
- Revised
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Recommended Practice establishes methods to determine grade parking performance with respect to:
-
a
Ability of the parking brake system to lock the braked wheels.
-
b
The vehicle holding or sliding on the grade, fully loaded or unloaded.
-
c
Applied manual effort.
-
d
Unburnished or burnished brake lining friction conditions.
-
e
Down and up grade directions.
Rationale
This document has been updated in keeping with the five-year review process. The Brake Systems Subcommittee has sanctioned the following changes:
-
a
Removed the parking brake test procedures from SAE J1626 and incorporate as appropriate into SAE J360 and SAE J1729. The SAE J1626 will only reference these two procedures as appropriate when required.
-
b
Added SAE J1729 as reference.
-
c
Removed SAE J1626 specific section numbers based on the upcoming and ongoing revisions with this document.
-
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.
-
e
Removed pressure-applied/mechanically locked actuators from Section 5.11.
-
f
Other editorial changes for clarity as appropriate.
Recommended Content
| Ground Vehicle Standard | Truck and Bus Grade Parking Performance Test Procedure |
| Ground Vehicle Standard | Truck Ability Prediction Procedure |
Topic
Data Sets - Support Documents
No Datasets Available
Issuing Committee
Truck and Bus Brake Systems Committee
The Truck and Bus Brake Systems Committee of the Truck and Bus Brake and Stability Control Steering Committee is responsible for developing, reviewing, and approving recommended practices, standards, and information reports related to brake systems of trucks, tractor-trailer combinations and buses over 10,000 lbs (4500 Kg) GVWR designed primarily for highway use.
Reference
| Number | Title |
|---|---|
| 49CFR571.105 | This document is not part of the subscrption. |
| 49CFR571.121 | This document is not part of the subscrption. |
| J1626 | This document is not part of the subscrption. |
| J1729_201910 | Parking Brake Drawbar Pull Test Procedure - Truck and Bus |
| J293_201706 | Truck and Bus Grade Parking Performance Requirements |
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