In CDL School
As I inspect my air hoses- I will check to make sure they are not worn, torn, or frayed. I will make sure there are no leaks, and that my air hoses are mounted securely. The air hoses are connected to the brake chamber- I will inspect the brake chamber to ensure it is not cracked, bent, or broke. I will also insure it’s not leaking and that it is mounted securely.
The brake chamber is connect to the push rod and clevis hanger. I will ensure the push rod and clevis hanger are not cracked, bent, or broken, and that they are mounted securely. Attached to the clevis hanger is the slack adjuster with pins and cotter keys. I will check to make sure my slack adjust is not cracked, bent, or broken and that it is mount securely.
If I wanted to manually check my slack adjuster- I would park my truck on level ground, chock the wheels, set the brakes, and tug on my slack adjuster. It should not move more than an inch. The slack adjuster is connected to the s-cam shaft. I will check to make sure the s-cam shaft is not cracked, bent, or broken, and that it is mounted securely.
The s-cam shaft enters the brake drum. I will inspect the brake drum to ensure it is not cracked, bent, or broken, and that it is free of debris, grease, and oil- as well and ensure that it is mounted securely. I will also check my brake pads- to ensure that they are not worn dangerously thin- no less than a fourth of an inch thick.
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