Conduct indicator test, friction test, temperature characteristic test, etc. 1 for all types of JA type damping butterfly valve electric butterfly valves, make the vehicle stop after driving 10km on the road with poor road conditions, touch the shell of JA type damping butterfly valve electric butterfly valve by hand, if it is not hot enough, it indicates that there is no resistance inside the JA type damping butterfly valve electric butterfly valve, and JA type damping butterfly valve electric butterfly valve does not work
At this time, appropriate lubricating oil can be added and the test can be carried out again. If the shell is hot, it means that the electric butterfly valve is lack of oil inside, and it should be filled with enough oil; Otherwise, JA type damping butterfly valve electric butterfly valve fails