HZS series Maintenance Notes

1.Inspect the following item before running

(1)Only the operator or the manager of the concrte mixing equipment can startup the equipment makes sure all workers at the effective distance before the equipment startup.

(2)If the plant no working for more than two days. must add lubrication oil on the lubrication place before startup .

(3)Check oil level of the lubrication pump of Mixer shaft end and Timely refueling

(4)Check whether foreign objects on the conveyor belt

(5)Each batcher hopper should open flexibly without stuck,Add lubrication oil in need of lubrication place .

2.check the measuring accurancy of each scale regularly

(1)Before each shift working,Check the sensitivity of each scale before running .whether the load cell is jammed or hold back

(2)After weighing components to be replaced,the professional person must measure calibration ,and tested or confirmed by the local measure manage department .（by the local Measure of Management Department）

3.mixer

(1)the following item must be checked before person go into mixer of HZS90 concrete mixing plant for clean or repair

a、safety switches of View door must be normally reliable and must not short connected

b、switch off the control power of mixer ,hang on the warning sign “ No switching on”

c、the transit hopper must be empty ;

d、Outside mixer .there must be full-time guardian

(2)After each shift finished,must switch-off the power ,clean and wash inside&outside of mixer ,discharge hopper, the dust in platform , to prevent the occurrence of powder axle, discharging door damaged. the air nozzle should be regularly cleaned to prevent clogging, the hopper below the butterfly valve must be cleaned regularly to ensure that the valve is open flexible and smooth.

(3)every week check the bolts of all mixer blades and mixer arm is whether loose running , the arm must be mandatory replacement if the attrition rate reach 50% , must immediately stop and replace the liner if liner wear to a thickness of 2~3mm  at the same time, we should check and adjust the blades and lining board gap to keep within 0~3mm; when to triangle belt pressure 100N (10kg), triangle belt along the loading direction deformation is not more than 20mm.

(4) when the material plugging in the mixer ,must be to manually open the discharge door, After all the materials in the mixer is emptied, then can start mixer motor.