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Roll the unit in, positioning the arms under the center of the beam. Lower the two stabilizer legs, which lock in the down position.
Roll the unit all the way in so the beam rests against the lift, and lock the wheels.
Start cranking up the lift, and raise it until the two arms pick up the beam and reach the height of the project. It locks automatically when you stop cranking.
If you have to move the beam to the side, lower the load all the way, and don't try to move the load when it's way up high.