1. Equipment leaks. - Solution: Tighten the components of the equipment.
2. The suction tube leaks. - Solution: Tighten and inspect the suction tube.
3. The lower steel ball is worn or clogged. - Solution: Clean or replace the steel ball.
4. The upper and lower seals are worn. ——Solution: Replace the upper and lower seals.
5. The upper steel ball is worn or clogged. - Solution: Clean or replace the upper steel ball.
6. The ball seat is worn. - Solution: Replace the ball seat.
7. The swing switch wears. ——Solution: Replace the repair switch