The slack adjuster provides a means of maintaining acceptable clearance between the brake shoes and the drums. Slack Adjuster | CDL Air Brakes | Pass CDL License Slack adjusters have three purposes: 1) To convert the forward linear motion of the push rod into rotary motion of the camshaft.
How do slack adjusters work?
The slack adjuster assembly transmits the braking torque to the S-cam and facilitates the adjustment of clearance between the brake lining (brake pad) and the brake drum. It is mounted on the S-cam shaft. One end is connected to the brake chambers’ pushrod.
It is the space between the back wheels. It is an adjusting nut on the backside of the brake drum used for adjusting the brakes. It is an adjusting nut under the cab to adjust the springs. How can you check the slack adjuster?
The brake shoes press against the brake drum, applying the brake. When the brake lining or brake pad wears, the gap between it and the brake drum increases. Automatic slack adjusters have an adjusting mechanism that adjusts for brake lining wear.
Automatic slack adjusters are fast becoming a more reliable and consistent operational part, which is why Wheelco recommends using this type of slack adjusters . There are two types of slack adjusters: the stroke and clearance adjuster. The stroke adjuster measures the stroke of the pushrod.
Do you have to manually adjust slack adjusters?
Therefore, it does not require periodic manual adjustment and is highly recommended not to adjust unless absolutely necessary or in an emergency situation. Do not manually adjust automatic slack adjusters after initial adjustment unless you are doing a complete brake overhaul. Never use an impact wrench to adjust.
If a brake system with automatic slack adjusters requires periodic adjustments, it is an indication that the automatic slack adjusters are defective and should be repaired. All brake systems, whether they have automatic or manual slack adjusters, should receive regularly scheduled maintenance checkups .
How do you check a slack adjuster on a Honda Accord?
Park on level ground, turn off parking brakes, pull hard on each slack adjuster. It shouldn’t move more than one inch. Park on level ground, turn off parking brake and press brake pedal. Park on an incline and see if the vehicle rolls.