Slack adjusters are:

Between the push rod and the S-cam shaft.. Section 5.1: The slack adjuster connects the push rod to the S-cam shaft and is used to adjust

Slack adjusters are:

ANSWER BREAKDOWN
  • A. Incorrect. "Used to adjust the air pressure." is not correct. The slack adjuster connects the push rod to the S-cam shaft and is used to adjust the brakes.
  • B. Correct. The slack adjuster connects the push rod to the S-cam shaft and is used to adjust the brakes.
  • C. Incorrect. "Part of the air compressor." is not correct. The slack adjuster connects the push rod to the S-cam shaft and is used to adjust the brakes.
  • D. Incorrect. "On the brake pedal." is not correct. The slack adjuster connects the push rod to the S-cam shaft and is used to adjust the brakes.