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Trailer Safety Instructions: Uncoupling Tractor Semi-Trailers Mobile App

Knowing how to couple and uncouple properly is essential to the safe operation of combination vehicles. The Trailer Safety Instructions: Uncoupling Tractor Semi-Trailers mobile app provides coupling guidelines in 9 detailed steps that will assist you to uncouple safely. The app makes following the processes easy by using your smartphone or tablet. There are differences between rigs, so learn the details of coupling and uncoupling the trucks you drive.

  • Lendlease
  • The Cooperative
  • PG&E
  • Red Bull
  • Mirvac

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Take a peek inside the Trailer Safety Instructions: Uncoupling Tractor Semi-Trailers Mobile App

Included Features

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Included Fields

Customize to add, remove, or edit any of the fields below.

  • Ico checkbox

    Make sure surface of parking area can support weight of trailer.

  • Ico checkbox

    Have tractor lined up with the trailer.

  • Ico checkbox

    Shut off trailer air supply to lock trailer brakes.

  • Ico checkbox

    Ease pressure on fifth wheel locking jaws by backing up gently (this will help you release the fi...

  • Ico checkbox

    Put parking brakes on while tractor is pushing against the kingpin.

  • Ico checkbox

    If trailer is empty, lower the landing gear until it makes firm contact with the ground, turn cra...

  • Ico checkbox

    make it easier to unlatch fifth wheel

  • Ico checkbox

    make it easier to couple next time

  • Ico checkbox

    Disconnect air lines from trailer.

  • Ico checkbox

    Hang electrical cable with plug down to prevent moisture from entering it.

  • Ico checkbox

    Make sure lines are supported so they won’t be damaged while driving the tractor.

  • Ico checkbox

    Raise release handle lock.

  • Ico checkbox

    Pull the release handle to “open” position.

  • Ico checkbox

    Keep legs and feet clear of the rear tractor wheels to avoid serious injury in case the vehicle m...

  • Ico checkbox

    Pull tractor forward until fifth wheel comes out from under the trailer.

  • Ico checkbox

    Stop with tractor frame under trailer (prevents trailer from falling to ground if landing gear sh...

  • Ico checkbox

    Apply parking brake

  • Ico checkbox

    Place transmission in neutral.

  • Ico checkbox

    Make sure ground is supporting trailer

  • Ico checkbox

    Make sure landing gear is not damaged.

  • Ico checkbox

    Release parking brakes.

  • Ico checkbox

    Check the area and drive tractor clear.

  • ...and More!

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