Question

How do you check the free-play on manual slack adjusters?

Answer 1

To check the free-play on manual slack adjusters, locate the adjuster, measure the distance between the push rod and the s-cam, and compare it to the manufacturer's specified range.

Step-by-step explanation:

To check the free-play on manual slack adjusters, you need to follow these steps:

1. Locate the manual slack adjuster on the vehicle. It is usually located on the air brake chamber between the push rod and the s-cam.
2. Measure the distance between the push rod and the s-cam. This is the free-play.
3. If the free-play is within the manufacturer's specified range, then it is acceptable. If it is outside the range, adjustments need to be made.

For example, if the manufacturer specifies a free-play range of 1/4 to 3/4 inch, and you measure a free-play of 1/2 inch, then it is within the acceptable range.