How to repair the front upper machine if the wiper blade can't sweep? Dongguan Qixin mechanical equipment Co., Ltd. - manufacturers of front upper machine, rear upper machine and front and rear upper machine, tell you:

1. When the current helper is being turned on and the knife suddenly stops sweeping, the startup personnel should not panic and keep calm. Press the on / off button to stop the motor.

2. Check whether the broom is used for a long time and whether the nut locking the broom is loose, which leads to the immobility of the broom.

3. Check whether the circuit line connecting the wiper is broken. In this case, the wiper cannot sweep. (Dongguan shoe machine - front upper finishing machine)

4. Check the stop switch to see if it is locked, because the stop switch adjusts the forward speed of the wiper. If the stop switch is locked, the wiper will not move. Now we just need to repair or replace the new stop switch.

5. Check the solenoid valve to see if there is a fault. It plays an auxiliary role in controlling the wiper. If it goes wrong, the broom won't move.

6. You can also check whether the broom heating thermostat is damaged and whether the indicated scale is between 5-6 after opening the broom thermostat. If not, first repair the sweeping knife heating thermostat.

7. Check the flow valve, which controls the action speed of auxiliary knife sweeping. If it rotates clockwise, the speed will slow down, and if it rotates counterclockwise, the speed will increase.

Dear friends, the above points are how to repair the front help machine if it can't be swept. Next time, if your machine can't be swept, don't worry. You can check them one by one according to these methods. In addition, if the maintenance is still not good. You can call Dongguan Qixin mechanical equipment Co., Ltd. we will have professional masters to help you repair.