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.
Can you adjust slack adjusters for CDL test?
Hi there Smart Drivers, Rick with Smart Drive Test talking to you today about how to adjust a manual slack adjusters for the purposes of your CDL license test. You are not going to do this on any modern air brake system, they’re all going to be equipped with automatic slack adjusters.
What is a slack adjuster on a truck?
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?
This of course begs the query “Where is the slack adjuster on a Chevy truck?”
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? Park on level ground, turn off parking brakes, pull hard on each slack adjuster.
This of course begs the question “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.
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.
That’s fairly easy to check, with no brake pressure put a pry bar on the slack adjuster. If there’s any significant movement up down or back and forth (some in and out is fine) then everything needs to come apart.