What is the adjustment for the slack adjuster?
Also asked, how much play should a slack adjuster have?
Slack adjust should have no more than 2 inches of play.
Also, what is a slack adjuster? Slack adjusters (also called brake adjusters or just "slacks") regulate the distance that the air brake has to travel to apply friction to the wheel. When the brake is used, the operating rod pushes out on the slack adjuster which then turns the S-cam.
Also Know, should you adjust automatic slack adjusters?
Automatic slack adjusters are able to maintain brake stroke more reliably than manual slack adjusters. But, automatic slack adjusters must still be checked as part of a pre-trip inspection. Once properly installed, automatic slack adjusters shouldn't need manual adjustment.
How long do slack adjusters last?
Slack adjusters have a finite life expectancy – they do not last the life of the vehicle.” Depending on application, slack adjusters will need to be replaced after four or five years of use, Gary added.