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The leading also provide line coupling is vented into ambiance

The leading also provide line coupling is vented into ambiance

Influence the most reservoir leaks speed (from inside the psi per minute), which is the restriction speed off reduction of heavens pressure off the automobile’s reservoirs that efficiency then vehicle parking braking system software

S5.six.6.5 The first criteria to own S5.six.six.4 are as follows: The latest reservoir program and provide line was pressurized so you’re able to a hundred psi, with the also have line portion of the trailer decide to try rig (Profile 1).

S5.six.six.6 The test succession for S5.six.6.4 can be as employs. One solitary leakage style of incapacity, in virtually any most other brakes, out of a member designed to contain compressed-air or braking system liquid (similar to the parenthetical terms given inside the S5.6.step three.1), is actually produced throughout the brakes. Thirty seconds after the initiation of these venting, the production range was repressurized on trailer decide to try rig (Figure step 1). 30 seconds after the initiation of such repressurizing of the supply range, the leading also have range is vented on conditions. This method is completed both because of the commitment and you may disconnection of your own supply range coupling or from the accessibility a valve strung when you look at the the supply range portion of the truck attempt rig close to the also have range coupling.

When your vehicles was created to pull a car or truck equipped with air brakes, a 50 cubic inches test reservoir try attached to the butt supply range coupling

S5.6.7 Limit quantity of well-known diaphragm leakage-sort of failure/ Equivalent amount of leakage in the heavens chamber with which has you to definitely diaphragm. In the example of car whereby the option in S5.6(b) has been select, dictate maximum quantity of common diaphragm leaks-kind of incapacity (otherwise equivalent number of leaks on air chamber with which has one diaphragm) according to the procedures set forth for the S5.6.eight.step one compliment of S5.6.eight.dos.step 3.

S5.6.7.step 1.step one With respect to the pursuing the process, dictate the fresh threshold amount of common diaphragm leakage-particular inability (or equivalent amount of leakages throughout the heavens chamber which has one to diaphragm) at which the new car’s vehicle parking brakes become unreleasable. That have a primary reservoir system pressure away from one hundred psi, new engine-turned regarding, zero applying of the vehicle’s brake system, and you can, whether your car is made to pull an auto equipped with sky brakes, an excellent 50 cubic inch try reservoir attached to the also have line coupling, introduce an effective leaks-type of incapacity of your well-known diaphragm (otherwise equivalent leakage about sky chamber that has you to definitely diaphragm). Apply new vehicle parking brakes by making a loan application actuation of your parking brake manage. Reduce the pressures in every of one’s car’s reservoirs to zero, trigger new motor and enable they so you can sluggish, and allow new challenges throughout the automobile’s reservoirs to go up until they balance out or before compressor close-away from section try reached. At the time, generate a production actuation of vehicle parking braking system control, and see if all mechanized setting described during the S5.six.step three.2 will always be actuated and contain the parking brake applications with enough parking retardation push to fulfill minimal show specified either in S5.six.1 otherwise S5.6.2. Repeat this process having progressively coming down otherwise increasing accounts (any kind of enforce) away from leakage-sort of diaphragm downfalls otherwise similar leaks, to find the lowest quantity of common diaphragm leakages-sorts of inability (or equivalent amount of leaks throughout the sky chamber which has had that diaphragm) at which most of the mechanized setting labeled inside the S5.6.step three.dos are still actuated and keep the parking braking system apps with enough parking retardation pushes to meet up with minimal abilities given in a choice of S5.6.step one otherwise S5.6.dos.

S5.6.seven.step one.2 http://www.datingmentor.org/tr/girlsdateforfree-inceleme At number of well-known diaphragm leakage-method of failure (or equivalent amount of leaks throughout the sky chamber with which has that diaphragm) computed from inside the S5.six.eight.1.step 1, and utilizing the following process, determine the brand new threshold maximum reservoir rate (in psi per minute). Having an initial reservoir system pressure out of 100 psi, the brand new engine-turned out of, zero application of the automobile’s brakes and you will, in the event the auto is designed to pull an auto armed with sky brakes, an excellent fifty cubic inch test reservoir attached to the likewise have range coupling, apply actuation of one’s vehicle parking braking system control.

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