42 m arm pump truck
Pump boom too fast how to slow down
The pump driver can adjust the throttle screw on the multi-way valve to adjust the flow rate of the valve, so as to adjust the speed of the arm frame. Do not suggest oneself adjust relevant button however.
A machine that USES pressure to carry concrete continuously along a pipe. It is composed of pump body and conveying pipe. According to the structure form is divided into piston type, squeeze type, hydraulic diaphragm type. The pump body is mounted on the chassis of the car, and then equipped with retractable or folded cloth rods, which constitute the pump truck.