To check the 'Cut-In' pressure, you should:

Pump the brakes to lower pressure and watch the gauge rise.. Section 5.3: Fan the brakes to reduce pressure. The needle should start rising

To check the 'Cut-In' pressure, you should:

ANSWER BREAKDOWN
  • A. Correct. Fan the brakes to reduce pressure. The needle should start rising again around 100 psi.
  • B. Incorrect. "Rev the engine." is not correct. Fan the brakes to reduce pressure. The needle should start rising again around 100 psi.
  • C. Incorrect. "Turn off the engine." is not correct. Fan the brakes to reduce pressure. The needle should start rising again around 100 psi.
  • D. Incorrect. "Drain the tanks." is not correct. Fan the brakes to reduce pressure. The needle should start rising again around 100 psi.