Practice question

If a manual slack adjuster's locking sleeve fails to re-engage after adjustment, what will happen?

The brake pushrod will seize and refuse to travel
The adjusting nut will back off during brake applications, causing the brakes to rapidly go out of adjustment
The brake drum will crack due to vibration
The compressor will unload at a much lower pressure

Answer: B — The adjusting nut will back off during brake applications, causing the brakes to rapidly go out of adjustment

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