Reasons for the sudden failure of the brake of the small loader during driving:The seal ring of the afterburner master cylinder of the small loader is damaged or overturned, there is no brake fluid in the master cylinder of the afterburner of the small loader, no brake air pressure, the brake pipeline is severely broken or the pipeline joint is disconnectedHow to eliminate the sudden failure of the braking of a small loader during driving:Replace the damaged seals, add enough brake fluid to reach the standard value, drain the air in the oil circuit, and replace the damaged brake pipeline