Question:
To unlock the fifth wheel, pull the release handle to the _______ position.
A
open
explanation
Uncoupling Tractor-Semitrailers
[...]
Step 6. Unlock Fifth Wheel
Raise the release handle lock.
Pull the release handle to "open" position.
Keep legs and feet clear of the rear tractor wheels to avoid serious injury in case the vehicle moves.
[CDL DRIVER MANUAL FINAL]
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