The election of the solution does not change the overall performance standards specified during the S5

The election of the solution does not change the overall performance standards specified during the S5

(b) During the accessibility to the producer, to own auto armed with brake systems and therefore incorporate a familiar diaphragm, the newest efficiency criteria given within the six(a) and this need to be met with any unmarried leakages-sorts of incapacity for the a common diaphragm may instead getting met with the level of leakages-sorts of incapacity determined into the six.7. 6(a) and that incorporate that have solitary leakage-kind of disappointments apart from downfalls in the a common diaphragm.

(c) At the option of the producer, the latest trailer portion of any farming product truck, hefty hauler trailer, or pulpwood trailer may qualify away from § regarding the label instead of the requirements out-of six(a).


6.1 Static retardation force. With all other brakes generated inoperative, during a fixed drawbar bring in an onward otherwise rearward recommendations, the fresh fixed retardation push created by the aid of the newest vehicle parking brakes can be:

(a) When it comes to an automible aside from a truck-tractor that is equipped with over several axles, in a fashion that the brand new quotient static retardation force/GAWR is not below 0.twenty-eight the axle apart from a beneficial steerable front side shaft; and you will

So it needs can be met to have trucks, buses and you will trailers one another that have and without any unmarried leakage-style of incapacity, in just about any most other brake system, regarding an associate made to include compressed air or braking system water (similar to the parenthetical keywords given from inside the six

(b) In the case of a trailer-tractor that is equipped with over a few axles, such that the fresh quotient fixed retardation force/GVWR isn’t below 0.fourteen.

six.dos Degrees holding. With all vehicle parking brake system applied, the automobile will will always be stationary up against constant and you can up against downhill with the a mellow, lifeless portland concrete real path that have a beneficial 20-per cent stages, each other

6.3.step one The new vehicle parking brake system are ready attaining the minimum results given in a choice of 6.step one otherwise 6.dos having people solitary leaks-particular failure, in every almost every other brakes, regarding a part designed to consist of compressed air or braking system water (leaving out inability regarding a component of a brake chamber casing but in addition to incapacity of any braking system chamber diaphragm that’s section of another brake system including an effective diaphragm which is preferred to brand new parking brakes and every other brake system), when the challenges on vehicle’s parking brake chambers is at the amount computed for the six.step three.4.

six.step 3.2 A mechanized setting are going to be so long as, immediately after a parking brake software is fashioned with this new challenges for the brand new vehicle’s parking brake spaces within levels computed into the six.3.cuatro, and all heavens and water pressures regarding the car’s stopping solutions is following bled as a result of no, and you will without using power, retains the fresh parking brake software with sufficient parking retardation force to help you meet the minimal abilities specified inside 6.step 3.step one and in possibly six.step one or 6.2.

6.step 3.step three Getting automobiles and you will buses, which have an initial reservoir system stress from 100 psi and you will, when the designed to pull a vehicle equipped with air brakes, which have an effective 50 cubic inches attempt tank connected to the likewise have line coupling, zero later than about three mere seconds ever since of actuation off the brand new parking brake manage, brand new mechanized means referred to when you look at the six.3.2 can be actuated. Getting trailers, into the have range very first pressurized to help you one hundred psi by using the also have line portion of the truck decide to try rig (Profile step 1) and you will, in the event the made to tow a motor vehicle armed with sky brake system, which have a great fifty cubic inches take to tank connected to the bottom also provide range coupling, zero after than about three seconds ever since ventilation to your atmosphere of front side also have line coupling is initiated, the fresh new technical form regarded in the six.3.dos are actuated. 3.1).

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