This new election of option doesn’t change the performance requirements specified from inside the S5

(b) At accessibility to the maker, to have auto equipped with braking system possibilities and this utilize a common diaphragm, the fresh new overall performance conditions specified inside the six(a) which have to be exposed to one solitary leaks-type of failure during the a familiar diaphragm can get alternatively become confronted by the amount of leakages-types of incapacity determined in 6(a) which pertain which have unmarried leaks-kind of failures other than disappointments within the a familiar diaphragm.

(c) In the option of producer, the fresh truck percentage of people agricultural item truck, big hauler truck, or pulpwood truck may qualify of § with the title rather than the standards of 6(a).


6.step 1 Fixed retardation force. With all most other brakes made inoperative, through the a fixed drawbar generate a forward otherwise rearward recommendations, the latest fixed retardation force developed by the employment of the fresh new parking brake system would be:

(a) Regarding an auto besides a truck-tractor that is armed with more a couple of axles, in a manner that this new quotient fixed retardation force/GAWR isn’t below 0.28 when it comes to axle besides good steerable front side shaft; and you may