What happens when the hydraulic top of the dump truck drops automatically?

Answer:

The problems caused by the hydraulic cylinder down slowly is not uniform, but the whereabouts of a quick stop; like this you top up and then slowly decline, will not stay, I think the problem is a one-way valve (or gear pump one-way valve is broken, or limit the one-way valve valve in the bad a), this situation can only change, you quickly contact the container manufacturer, has six customer service, even after the insurance they will help you identify the problem. Hope to be of help to you.

Dump truck hydraulic cylinder down there are several general conditions: 1. hydraulic cylinder oil one-way valve problem; 2. gear pump in question, is indeed a one-way, return oil; 3. one-way valve valve in the oil return problem;