Concrete pump safety rules

A) Concrete mixing plants should be placed on a solid flat surface, lay down the legs, the body placed stable.
2) Before operating, check to make sure the normal electrical equipment and instrumentation, various parts of the switch button, the handle is in the correct position, the mechanical part of the fastening point solid, reliable, chain and belt tension to meet the requirements, transmission parts in normal operation.
3) concrete delivery pipe joints should be sealed tight, pipe card should be firmly connected. Less than 10m vertical tube before horizontal pipe with check valve, non-directly connected to the vertical tube concrete pump output.
4) to clear clogged pipes, you should evacuate personnel around. Remove pipe cleaning method should take before counter, clear the pipeline pressure. When removing the nozzle right person prohibited.
5) operations do not remove the hopper grille nets and concrete mix plant. Not climbing and cycling pressure pipelines shall not reach into the valve body work, disassembly is prohibited in the pipeline when pumping.
6) cleaning pipes, the operator should leave the pipe outlet and elbow joints. If cleaning with compressed air pipe, the pipe outlet shall not someone 10m and equipment.
7) After the operation, the hydraulic system pressure relief, the entire control switch back to the original position.