Air disc brakes are popular for heavy duty trucks. They offer faster braking and greater control over the vehicle. However, they are more expensive than drum brakes. Their higher initial cost means more maintenance.
Disc brakes contain fewer parts, making inspection and maintenance easier. These systems are also designed to last longer than drum brakes.
Disc brakes also lower the weight of the wheel end. This can reduce the amount of time it takes to change brake pads. In addition, they can be cooled safely using splashes of water.
The most important wear item is the pad. These pads are typically smaller than drum brake shoes and can last for a number of pad changes. It is important to keep them in good condition so they can provide optimal braking performance.
The most difficult part of the air disc brake system is the caliper. The caliper contains the pivot point, threaded pistons, and slack adjuster. Unlike drum brakes, the slack adjuster is not externally mounted. When the pedal is depressed, the slack adjuster moves forward.
The pushrod is a rod that connects the brake chamber to the caliper. The length of the pushrod depends on the pressure of the compressed air. For example, if the pressure is less than the limit set by the manufacturer, the force of the brake cannot be produced.
Various sizes of brake chambers are available. Each type has its own limits for the stroke of the pushrod. To determine the correct size for your truck, refer to the adjustment chart.
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