Mixing the inevitable 3 failure and treatment method

1. cement weighing no

This fault shows plus weight can display the correct value, digital does not return to zero after the uninstall, clear before loading the weight figures vary, but check the sensor resistance values in the normal range, and the meter is no problem.

1.1 analysis of possible causes are: fixed angle of the scale box is not removed for transport; pressure and pressure plate at the hairpin; scale body to interfere with the outside world; 3 sensor type mismatch; when weighing items offset load.

1.2 processing concrete batch plant equipment fault method is: if transport with fixed scales box of angle iron no split off, should timely demolition; if pressure head or pressure disc issuing, should timely processing, makes its smooth no resistance; if scales body and outside occurred interference, should timely for isolation; if 3 a sensor model not match, should replaced model consistent of sensor; if material partial contains, should for adjustment.

2. aggregate tank discharge gate no difficulties when opening and closing

The fault for slow cylinder weakness, but check the discharge door mechanical parts without friction, hysteresis, and solenoid valve, cylinder leakage-free.

2.1 analysis of possible causes are: the air is impeded, the FRL air source air-water separator filter is too dirty, causing poor air, reduced air flow per unit of time, resulting in cylinders activity slowly; muffler was so dirty that when the action is in the cylinder rod and Rod-free pressure gets smaller, cause the cylinder moves slowly.

2.2 handling failures of concrete mixing station is: If air is impeded, the filter should be cleaned or replaced if the muffler is too dirty, cleaned muffler.

3. the outlet does not discharge

The fault is when the contactor closing, clockwise rotation of the motor, screw conveyor outlet does not discharge, longer air switch is tripped; will air on the switch after starting motor still tripping, observation of solidification phenomena of powder-free.

3.1 analysis of possible causes are: machine tools for reverse air switch damaged; machine tool motor wiring may have a poor contact.

3.2 handling failures of ready mix concrete plants is: If the machine reverses, motor connection machine 2 for any adjustment if the air switch is damaged and should be replaced if the machine tool motor wiring contacts have a bad, check processing.

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