S6
2.cuatro The warmth practical link each and every brake was counted by one plug-sorts of thermocouple strung in the exact middle of the lining body away from by far the most greatly stacked shoe otherwise pad as the shown in the Contour 2.
2.5 The speed from brake instrument or disk rotation for the a great dynamometer corresponding to the interest rate off rotation to your a vehicle at the confirmed price try determined by the of course, if a tire radius equivalent with the static piled distance specified from the tire brand name.
Productive estimated luminous contact city implies that the main projection for the a plane perpendicular on the light axis of that part of the white-emitting epidermis you to directs white towards photometric shot pattern, and does not include mounting hole employers, response reflector urban area, beans otherwise rims which can sparkle or build small areas of increased intensity right down to uncontrolled white out of small parts ( 1/2 education radius around the test area).
S5.step 1.1 Heavens compressor. An air compressor from adequate power to increase air stress during the the supply and services reservoirs off 85 psi to help you one hundred psi when the system are working on car manufacturer’s limitation demanded r.p.meters. inside an occasion, inside the seconds, determined by the fresh new quotient (Genuine tank capacity ? 25)/Required tank capability.
(b) Per vehicle tractor are produced on otherwise shortly after , and each unmarried equipment car manufactured toward otherwise once , that is furnished so you’re able to tow several other heavens- braked vehicle, are going to be equipped with a power circuit that’s with the capacity of giving a fail code in the antilock brakes(s) on one or maybe more towed car(s) (e.g., trailer(s) and you can dolly(ies)) into truck Abdominal muscles dysfunction light on taxi of the towing vehicles, and you can will have the method for connection for the electronic circuit on the towed vehicle. Per like vehicle tractor and you may unmarried equipment vehicles will additionally be armed with an indicator lamp, p needed in S5.step one.6.2(a), climbed facing plus in obvious view of the newest driver, which is activated if the breakdown code routine demonstrated significantly more than get a code exhibiting an abs dysfunction on one or maybe more towed vehicle(s). The indicator light should continue to be triggered for as long as an abdominal muscles description laws in one or higher towed vehicles(s) can be obtained, whenever ignition (start) switch is in the “on” (“run”) position, perhaps the motor are powering. The fresh new indicator light will additionally be activated since a check off light function after ignition was looked to the new “on” (“run”) position.
(a) As well as the criteria out-of S5.2.step three.dos, each trailer and truck converter dolly will likely be equipped with an additional antilock description indication light that fits the requirements of S5.dos.3.step three (b) courtesy (d).
S5.3.1 Finishing distance – vehicles and you may busses. When stopped six moments for each combination of vehicle method of, lbs, and you can rates given in S5.step 3.step 1.1, regarding series specified during the Desk I, for every vehicle tractor are designed to your or after March 1, 1997, and each unmarried tool automobile are designed on the or once March step 1, 1998, shall stop at minimum just after in the not more than the distance given in Dining table II, counted regarding the section at which course of your provider braking system handle initiate, with no the main car leaving the brand new highway, with controls lockup enabled only below:
(b) Getting car built to tow various other vehicles equipped with air brakes, the pressure regarding fifty-cubic-inch shot tank described inside the S5.3.cuatro.1(a) will, when mentioned throughout the basic movement of services brake control, fall so you can 5 psi from inside the only 0.75 mere seconds in the case of cars and you can buses, step 1.ten mere seconds in the example of truck converter dollies, and you will 1.00 mere seconds in the example of trailers apart from trailer converter dollies.
S5.cuatro.step 1.step 1 Once burnishing the fresh brake pursuant so you can dos.6, keep up with the braking system system with the inertia dynamometer. Which have a first brake heat between 125 °F. and you can 200 °F., carry out a halt from 50 meters.p.h., maintaining brake chamber sky stress at the a constant 20 psi. Measure the average torque exerted of the brake from the time the specified sky stress try attained up until the brake stops and you may divide because of the fixed piled tire radius specified because of the tire manufacturer to select the retardation push. Repeat the method six times, improving the brake chamber sky pressure of the ten psi anytime. After each and every avoid, rotate this new brake guitar or disk till the temperatures of one’s brake drops to help you between 125 °F. and you may 2 hundred °F.
(a) Except as the offered inside the S5.6(b) and S5.6(c), each vehicle except that a truck converter dolly will keeps an excellent vehicle parking brake system you to beneath the conditions of just one suits new conditions out-of:
S5.6.step 3.cuatro The new parking braking system chamber demands to have S5.6.step 3.step 1 and you will S5.six.3.2 decided below. Getting automobiles and vehicles, having an initial reservoir system pressure out of a hundred psi and you will, when the built to pull an automible armed with heavens brakes, that have a beneficial 50 cubic inch test reservoir attached to the likewise have line coupling, one single leaks sorts of failure, in any almost every other brakes, out-of a member made to include compressed-air or braking system fluid (similar to the parenthetical keywords given inside S5.6.step three.1), try delivered from the brakes. Brand new parking brake control is actually actuated plus the challenges in the automobile’s vehicle parking braking system compartments are measured about three mere seconds after that actuation is initiated. Getting trailers, into likewise have range initially pressurized to help you a hundred psi utilizing the supply line part of the truck shot rig (Contour step 1) and you will, in the event the made to pull an auto equipped with sky brake system, with a great fifty cubic inch test reservoir connected to the buttocks have range coupling, any unmarried leakages variety of inability, in every almost every other brake system, off an associate built to have compressed air otherwise brake water (consistent with the parenthetical statement given into the S5.6.step 3.1), was lead about brake system. Leading also have line coupling are ventilated towards the atmosphere and you can the brand new pressures regarding vehicle’s parking braking system compartments was measured three seconds next venting is initiated.
S5.6.6.4 To have trailers, which have initially requirements because given when you look at the S5.six.six.5, this new vehicle parking brakes should be ready fulfilling the minimum show given in a choice of S5.6.1 or S5.six.2, with people single leakage-particular inability, in just about any almost every other brake system, out-of a part made to contain compressed-air otherwise braking system fluid (similar to the parenthetical phrase specified during the S5.6.step three.1), at the end of the test sequence specified inside the S5.6.6.six.
S5.nine Latest review. Search this service membership brake system into the updates from improvement and to your braking system indication display screen prior to S5.step 1.8 and you can S5.dos.2.
The new signal light is going to be deactivated at the end of the fresh look at out of lamp means unless a trailer Stomach breakdown laws was expose
step 1.ten Within the a test aside from a static parking sample, a trailer tractor is actually checked out at the their GVWR because of the coupling it to an enthusiastic unbraked flatbed partial-trailer (hereafter, manage truck) as specified during the step 1.10.dos to at least one.10.cuatro.
2.step 3 Sky in the background weather is led equally and you can constantly over new braking system drum or disk within a speed from dos,200 ft each minute.