Drum brakes work on the same principle as disc brakes. Typical electric brake wiring diagram typical air brake system diagram hookup wire size copper recommended number of brakes hitchtoaxle distance in feet. Alternatively wipe the areas with a damp cloth, never try to accelerate drying time by using an air line. Many cars have drum brakes on the rear wheels and disc brakes on the front. Many cars have drum brakes on the rear wheels and disc brakes on the front figure 24. Replacing drum brakes isnt difficult but it requires special tools and a little caution. Never use an air line to blow dust from the brake disc area. Pressures in excess of psi on drum brakes increase lining wear and can lead to component failure.
This article will describe the general process, but you will still. Rear brake only stopping distance can be a problem with rear. An introduction to brake systems faculty of mechanical engineering. Typical electric brake wiring diagram dexter brakes.
The wheel hub and brake assembly components should be. Pdf analysis of drum brake system for improvement of braking. Brake adjusters handbook bureau of automotive repair ca. Pdf detailed strength analyses of drum brakes used in light and. In this video, 1a auto shows you how drum brakes operate, function, and work. This page contains disc brake seminar and ppt with pdf report. Disc brake seminar ppt with pdf report study mafia.
Drum brake also has an adjuster mechanism, an emergency brake mechanism and lots of springs. The shoes are pulled away from the drum by the springs when the brakes are released. Wherever possible remove dry brake dust with a vacuum brush. Pdf the braking performance has become a very important factor for. When working on a brake system, always keep in mind that a brake system failure could result in a fatal vehicle accident. If inhaled any form of dust can at best be an irritant, at worst dangerous. Closed and open systems some bicycle hydraulic disc brakes incorporate a closed system, where and the volume of fluid remains the same between the master and slave pistons. Most bicycle hydraulic disc brakes incorporate an open system, where a reservoir contains an additional volume of fluid and a small volume of air.
Drum brakes have more parts than disc brakes and are harder to service, but they are less. The solution should be applied with low pressure to prevent dust from becoming airborne. A drum brake is a brake in which the friction is caused by a set of shoes or pads that press against the inner surface of a rotating drum. Allow the solution to flow between the brake drum and the brake support or the brake rotor and caliper. For this reason, many vehicles have disc brakes on the front and drum brakes on. Working of drum brakes drum brakes work on the same principle as the disc brakes. When working on a brake system, always keep in mind that a brake system.