Specific maintenance methods for steel plate subgrade boxes are as follows:

Regular Inspections: Check all bolted connections to ensure no looseness.
Regular replacement of parts: Includes items such as rubber plates and steel molds, which are prone to wear and tear. Timely replacement ensures their performance.
3. Dust Removal: Regularly clean the accumulated dust on the steel plate sub-base box to maintain its cleanliness.
4. Lubrication Maintenance: Regularly replenish lubricating oil to maintain good condition. For moving parts such as tire rotation areas, appropriate lubricating grease should be supplemented.
5. Corrosion Treatment: Timely anti-corrosion treatment should be applied to rusted areas to ensure their appearance and performance.
6. Avoid Overloading: The primary purpose of the steel plate subgrade box is to prevent soil damage to the embankment edges, thus overloading should be avoided to protect the equipment and extend its service life.
7. Regular Tire Inspections: Tires should be regularly checked for proper inflation and, in case of damage, should be replaced or repaired promptly.
8. Proper Usage: Follow the correct operational procedures to ensure the normal and safe operation of the steel plate subgrade box.
By following these steps and precautions, you can effectively maintain and preserve the lifespan of steel deck road boxes.