2. If fifth wheel is not free from debris, clear debris from fifth wheel.
3. Check if fifth wheel is properly lubricated.
4. If fifth wheel is not properly lubricated, lubricate fifth wheel with GAA. (WP 0038)
Is fifth wheel properly lubricated and free from debris?
No - Test 4 - Does fifth wheel lock when coupling trailer?
Yes - Test 2 - Are fifth wheel kingpin jaws secure and free of wear and damage?
TEST 2 - Are fifth wheel kingpin jaws secure and free of wear and damage?
Ensure kingpin jaws stay open when primary lock release handle is in locked position.
Failure to comply may result in damage to fifth wheel.
1. Inspect fifth wheel for loose, worn, or broken kingpin jaws.