Precautions of Operating Bona Enterprise JZM Series Concrete Mixer

 
1. It is not allowed to add more mixing materials than the required amount when feeding materials every time.
  2. Add water firstly, which can prevent the material from adhering to the mixing drum of concrete mixer. When adding materials to the aggregate, the correct order is aggregate, cement, sand or sand, cement, aggregate.
  3. It is forbidden to add aggregate to orbital groove when feeding materials, which can avoid damaging the hopper and frame.
4. It is prohibited to remain, examine or clean pit under the hopper when lifting the hopper. If users must work under the hopper of JZM series concrete mixer, users should lift the hopper above the orbit, hang up the hopper hook and cut off the electricity. When it is necessary to clean up the accumulated material, users should wait until the hopper descends to the bottom of pit and the power is off. The cleaners must not stand on the horizontal steel of the charging frame when cleaning up the workbench on the hopper. 
  5. When lifting the hopper filled with materials and if the materials can not pour into the mixing drum in time, you should descend the hopper into the pit and it is wrong to make the hopper remain in the air for a long time.
 6. It is forbidden to examine and lubricate when the machine is operating.
 7. You should be careful to avoid sands dropping into the moving parts of the machine to prevent being stuck and damaged.
 8. Be careful when using the electric motor. It is necessary to avoid getting damp and prevent the electric components and wires from being damaged.
 9. It is forbidden to adjust the time relay when pumping the water.