To convert the Apollo 16 Union from 22 fixed flaps open to a different configuration, you will need to follow these steps:
1. First, locate the flaps on the trailer. They are usually located on the sides and/or back of the trailer.
2. Determine the new configuration of flaps you would like to have. For example, if you want to close some of the flaps, you will need to identify which ones you want to close.
3. Depending on the trailer model, you may need to use a control panel or a manual lever to adjust the flaps. Follow the manufacturer's instructions for operating the flaps.
4. Adjust the flaps according to your desired configuration. Make sure to secure the flaps properly to avoid any safety hazards while on the road.
5. Once you have adjusted the flaps to the new configuration, test them to ensure they are functioning correctly.
By following these steps, you should be able to convert the Apollo 16 Union trailer from 22 fixed flaps open to your desired configuration. Remember to always refer to the manufacturer's instructions for specific details on operating the flaps.