Air wedge brakes apply air in a chamber pushing a wedge between two rollers, connected to one end of a brake shoe, causing them to split apart, in turn causing the two shoes to be forced into the brake drum.
The air in an air brake system is the "fluid" to activate the brake, much like brake fluid activates the brakes in your car. One difference is that you are not pushing air down the lines when you...
If you cage your brakes off the service brakes will work just fine because the brake chamber is two separate parts. The parking brake works trough the service brake but service brakes will work...
Various places depending on the truck. Some KW (T800) inside dashboard behind switch panel in manifold valve. Some Mack, driver side firewall or foot valve. Some IH behind driver seat. Some...