What is the cause of concrete pump blockage?
Take over, should first remove the air inside the delivery pipe, and then tighten the pipe end connector.
When the above two methods can not rule out the plug, the concrete pump can be removed after the removal of the plugging parts of the pipe, discharge concrete blockage, and then take over the pump.
To identify the clogging site, with a mallet to plug the concrete mixture at the plug, and then through the concrete pump is anti-pump to eliminate the block.
Repeat the anti-pump operation, and gradually plug the concrete mixture at the plug into the hopper, re-stirring and then normal pumping.
