How to replace the piston of concrete pump

Concrete pump piston replacement program

1. The back end of the main oil cylinder is loosened by the back end of the main oil cylinder. In the debugging of gasket, the one-way valve oil circuit block.

2. Slow running speed of the piston, the piston back, leaving about 25mm of the trip, as the second back with, open the middle of the rod clamp.

3. Second back to the end of the trip, when the middle of the rod will be separated from the piston, take out the middle of the pole.

4. The piston rod of the main oil cylinder is slowly advanced, and the piston rod of the main oil cylinder is engaged with the piston of the concrete pump.

5. Point move. Third back, the concrete pump piston pull out the concrete cylinder, remove the clamp, take out the concrete pump piston.

6. The process of installing the piston of the mixed pump is opposite to the above operation.