If the mining locomotive is used for too long, there will be some minor faults. For example, the speed control handwheel is not flexible or the speed control handwheel and the reversing handle are not in good interlocking state, and the system does not work.
The following are the reasons for these two situations: The lubrication condition of the rotating part does not work.
Solution: Check the lubrication of the rotating part and check the interlock system.
