5. The driver of the vehicle must ensure that there are no persons within 20FT from the trailer
axles or any person underneath the trailer.
6. Release all trailer brakes, remove wheel chocks, release park brakes and turn on ignition.
7. Reverse the tractor slowly for lifting process to start and continue to reverse until a positive
stop is received from the trailer or the tractor moved approximately 16 inches.
8. Lifting is complete once the TrestleJack is in the upright position, the cup is holding the axle
securely in place and the base plate is level to the ground surface.
9. Releasing the brakes will in most cases cause the TrestleJacks to settle in the correct upright
standing & supporting position.
10. Apply park brakes, install chocks and switch off ignition.
IMPORTANT
Engage parking brakes, switch off ignition, apply trailer brakes, chock the wheels and lower the
trailer stands to ensure no further rig movement is possible while repairs are taking place.
Illustration 3. TrestleJacks in the upright/stand position