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When avoided five successive minutes per blend of lbs, rates, and you may path criteria specified during the S5

When avoided five successive minutes per blend of lbs, rates, and you may path criteria specified during the S5

(a) To have a truck designed to pull some other auto armed with heavens brakes, pressure differential amongst the control range type in coupling and you may a good 50-cubic-inches decide to try reservoir connected to the manage line returns coupling will maybe not meet or exceed the values given from inside the 3.5(a) (1), (2), and you may (3) according to the conditions given within the step three.5(b) (1) as a consequence of (4):

(1) step one psi whatsoever input pressures equal to otherwise higher than 5 psi, but not greater than 20 psi;

(2) dos psi whatsoever type in demands equivalent to otherwise higher than 20 psi not greater than 40 psi; and

(2) Whenever air is actually placed on or create regarding handle range type in coupling utilising the trailer attempt rig revealed in the Profile step one;

(3) Having a fixed beginning consisting of a great 0.0180 inch diameter gap (no. 77 exercise bit) into the a great 0.032 inch-thick disk strung on the control range amongst the trailer try rig coupling additionally the car’s manage range enter in coupling; and

(4) Working brand new trailer decide to try rig in the sense and you can under an equivalent requirements as it’s work while in the assessment determine brake actuation and release minutes, due to the fact given for the step three.step three and you may step 3.cuatro, with the exception of the installation of the newest orifice in the manage line to help you restriction airflow rate.

S5

3.six Balance and you may handle during the braking – cars and buses. step three.six.1 and step 3.6.dos, for every vehicle tractor will visit minimum 3 x when you look at the 12-legs way, without having any area of the auto making brand new roadway.