Parking And Maintenance Of Road Rollers in Winter - The Sprinkler System Is Drained

Rubber-tyred road rollers and double-steel-wheel road rollers have the function of sprinkling water. Do not let the sprinkling system stay overnight or survive the winter when the road rollers are in cold regions, otherwise the entire sprinkling system will be damaged.
the
Reminder: Open the drain valve under certain conditions, and the water in the water filter cannot be completely drained. You need to unscrew the water filter to completely drain it.