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The fresh new election from the option cannot impact the overall performance requirements given in S5

The fresh new election from the option cannot impact the overall performance requirements given in S5

(b) At the option of the maker, getting auto armed with brake solutions which utilize a familiar diaphragm, this new overall performance requirements specified within the six(a) and this have to be met with people solitary leakage-sort of inability when you look at the a common diaphragm get instead be met with the level of leaks-kind of failure determined in six.eight. 6(a) which apply having unmarried leakages-method of problems other than problems when you look at the a common diaphragm.

(c) On accessibility to producer, the new truck portion of one farming item trailer, big hauler truck, otherwise pulpwood trailer get qualify of § associated with the identity rather than the standards off 6(a).


6.step one Fixed retardation force. With all of other brake system generated inoperative, through the a fixed drawbar generate a forward otherwise rearward assistance, the brand new static retardation force developed by making use of the newest vehicle parking brake system can be:

(a) In the example of a vehicle other than a truck-tractor which is equipped with more a couple of axles, in a way that the newest quotient fixed retardation force/GAWR is not below 0.twenty-eight for any axle aside from a steerable front shaft; and you will

This needs are going to be fulfilled to have vehicles, buses and trailers one another having and you may without having any single leakages-sorts of failure, in any most other brake system, out of a member built to consist of compressed air otherwise brake fluid (similar to the parenthetical statement given within the six

(b) When it comes to a trailer-tractor that is equipped with more than a couple of axles, in a fashion that the fresh quotient static retardation force/GVWR is not below 0.fourteen.

six.2 Amount holding. With all of vehicle parking brakes applied, the auto shall will always be stationary http://datingmentor.org/cs/connecting-singles-recenze/ up against constant and you may against downhill into a mellow, deceased portland concrete concrete highway which have an effective 20-% grade, one another

6.3.step 1 The brand new parking brake system is ready achieving the minimum efficiency given in a choice of 6.1 or six.2 that have people single leakage-type of failure, in virtually any most other brakes, off a member made to contain compressed-air or braking system liquid (excluding inability regarding an element of a braking system chamber construction but in addition to inability of any brake chamber diaphragm which is section of any brakes also a good diaphragm which is preferred to the vehicle parking brakes and any other brakes), in the event the pressures regarding car’s parking brake spaces has reached the levels computed within the six.step three.4.

six.step 3.dos A mechanized mode are provided that, shortly after a parking braking system software program is fashioned with the demands in the newest vehicle’s vehicle parking brake compartments from the levels calculated inside 6.3.cuatro, and all heavens and you will liquid pressures regarding the vehicle’s stopping solutions was up coming bled right down to zero, and without needing power, keeps the latest parking braking system application with enough vehicle parking retardation force to help you meet up with the minimal efficiency given when you look at the six.3.step 1 plus either 6.step 1 otherwise 6.dos.

6.step three.step three To possess trucks and you will vehicles, that have a primary reservoir system pressure from 100 psi and you can, if the made to tow a motor vehicle armed with air brakes, having a great fifty cubic inches try reservoir attached to the also provide range coupling, no later on than simply about three mere seconds since off actuation away from the newest parking brake control, this new technical means described from inside the 6.step 3.2 would be actuated. Getting trailers, on the have line initial pressurized to help you one hundred psi using the also have range part of the trailer shot rig (Shape step one) and you may, in the event the designed to pull a car equipped with sky brake system, which have an effective fifty cubic inches test reservoir connected to the butt likewise have range coupling, zero later on than just about three mere seconds since venting into the ambiance of your front side supply range coupling is initiated, the fresh physical mode regarded in the six.step three.dos are actuated. step three.1).

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