ADB
These should be inspected every time you are under the truck or at a minimum of every 3 months.
What are brake components?
This air pressure is needed to test /check the brake system.
What is 90-100 psi?
These should be greased when installed.
What are slack adjusters?
This is stamped on the cover of the brake chamber.
What is the chamber type?
These should be measured in 4 different places to make sure they are wearing evenly.
What are brake rotors?
Hard brake applications and ice melt cause this.
What is rust jacking or cracks in the shoe friction material?
This should be checked for proper operation when the brakes are out of adjustment.
What is the automatic slack adjuster (ASA)?
Round air-line ports mean this on a brake chamber.
What is a short stroke?
(0.433 in) or (11 mm) is the minimum thickness for these.
What are brake pads?
Brake shoes contaminated with oil can be cleaned and used again.
What is no, they cannot?
This disk is used to index or mark the distance the brake chamber rod stroke travels.
What is the EZ-check?
This manual is used to find maximum allowable brake stroke for a brake chamber.
What is the Bendix Foundation Brakes Service Manual?
This test checks for clearance between the brake pads and the rotor. It also checks to make sure the caliper slides freely.
What is the clunk test?
These are the 2 different styles of brake shoes.
What is extended service and standard service?
The chamber rod and the ASA should be at this degree angle when the brakes are applied.
What is 90 degrees?
This will happen when brake clearance is too much.
What is brake fade?
Small chips on the edge of brake pad friction material is ok.
What is yes?
This important information is on the face of the brake drum.
What is the minimum thickness of the drum?
You could have one of two kinds of these that require 12 to 35 brake applications to adjust.
What are brake slack adjusters?
This bolt and nut are used to compress the brake chamber spring.
What is the caging bolt?