(b) On accessibility to the producer, having car armed with braking system options hence make use of a common diaphragm, new performance standards specified inside 6(a) and that must be confronted with one unmarried leakage-type of failure when you look at the a familiar diaphragm will get instead become met with the level of leakage-variety of failure determined during the 6.7. 6(a) and therefore apply with single leakage-sort of downfalls besides problems for the a common diaphragm.
(c) At accessibility to the manufacturer, the newest trailer part of one agricultural commodity trailer, heavier hauler truck, or pulpwood trailer can get meet the requirements from § of this name as opposed to the conditions from 6(a).
six.1 Fixed retardation force. With all of almost every other brake system produced inoperative, during a fixed drawbar generate an onward or rearward guidance, the newest static retardation push developed by using the new parking brake system are going to be: