1. Its continuous working time generally does not exceed 1min;
2. The hydraulic pump should be started first, and then the wiper should be started;
3. After the water spray is stopped, the wiper should continue to scrape 3~5 times in order to achieve a good washing effect.
The scrubber should be able to supply enough liquid at normal temperature to clean the area that occupies more than 60% of the A zone; the scrubber should be able to withstand the load of the nozzle being blocked, and switch on the washing within 1 minute when the nozzle of the scrubber is blocked Pump power 6 times, each time duration 3s, the scrubber should be intact. In addition, the scrubber should work normally under various environmental conditions such as high temperature and low temperature.