1. Choose a solid and flat ground, and pull the handbrake when the trailer stops. Parking position of excavator: the driving wheel of excavator is behind, and the guide wheel is as close as possible to the trailer, so that the excavator and trailer are in a straight line. 2. The operating handle supports the excavator bucket in the middle and front of the trailer, and the operating boom and boom handle support the excavator guide wheel to make it slightly higher than the trailer. The pedal walking joystick is matched with the handle to make the guide wheel board the trailer. At this time, the excavator is in the shape of high front and low back. 3. Turn the excavator platform, and support the excavator driving wheel with the boom basically perpendicular to the ground until the excavator is straight back and forth. Step on the walking joystick and operate the boom and boom handle at the same time, and slowly drive the excavator to the trailer. Be careful not to turn and turn, and keep the body and trailer in a straight line. When most excavator track chains are mounted on the trailer, you can lift the boom and rotate it forward to the proper parking position of the trailer, retract the bucket arm and put it in place. For a long distance, the excavator can be fixed with fasteners. All right, let's go. Maybe there are some forgotten ones. Please supplement it downstairs.