You are visually checking the fifth wheel. You should check that:

All of the above.. Section 6.4: Check mounting, grease, and for damage.

You are visually checking the fifth wheel. You should check that:

ANSWER BREAKDOWN
  • A. Incorrect. "The mounting assembly is securely fastened." is not correct. Check mounting, grease, and for damage.
  • B. Incorrect. "The fifth wheel is greased." is not correct. Check mounting, grease, and for damage.
  • C. Incorrect. "There are no cracks." is not correct. Check mounting, grease, and for damage.
  • D. Correct. Check mounting, grease, and for damage.