how to inspect an integral parking brake

Over time, due to environmental exposure and other factors, the parking brake in your vehicle might get stuck. For example, rust in the parking brake cable can cause your parking brake to lock up and cease functioning. Clean the locating pin threads and apply 1 drop of a thread locking agent or similar sealer. With switches, flip it in the instructed direction. Careful tracking and experience will give you a general idea of when the vehicles in your fleet are due for brake relining, but remember that the same variables that make broad relining recommendations impossible can and will shorten or lengthen service intervals for individual trucks. Its original purpose was to act as a backup brake system that would bring your car to a halt when the primary brakes (drum brake assembly or disc brake assembly) failed. Unfortunately, while driving on the freeway later, traffic came to a fast stop. All Rights Reserved. Power stroke indicates how far the pushrod moves when the brake chamber is pressurized to 80-90 psi. The spring brake (or multi-function) valve (18) limits the air pressure used to keep the trailer parking brakes off and, by means of an integral check valve, isolates a failed reservoir, which . Adding EV Charger (100A) in secondary panel (100A) fed off main (200A), What are the arguments for/against anonymous authorship of the Gospels, Embedded hyperlinks in a thesis or research paper. Brakes that arent installed correctly or are poorly maintained reduce braking capacity and increase stopping distance of trucks, which in turn results in safety risks to all drivers on the road. Parking brake must lock in place and be released independently from service brake" An auto release parking brake is given a cursory hardware check (nothing seized) but not tested in motion. At the same time, forcing new lubricant into the automatic slack adjuster pushes out the old grease, along with any contaminants or water. CCJ'sAir Brake Bookis a complementary industry resource, courtesy of our partnership with SilverbackHD, the Technology and MaintenanceCouncil and Commercial Vehicle Safety Alliance. Fleets should not have their trucks sitting idle on the side of the road when these brake violations are easily preventable through proper maintenance and inspections, Fakkema said. One tried-and-true method of locating air leaks is to paint the air lines and connections with soapy water and watch for bubbles.

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