1. Check whether the vehicle lifting alarm and indicator light in the cab of the dump truck are effective, and the various working positions of the lifting handle should be accurate and reliable.
2. It should be checked that the pipelines and joints of the hydraulic working system of the dump truck are firm and free of leakage, the oil circuit is unblocked, the operation is free, and there is no jamming phenomenon.
3. Check whether the automatic locking and opening mechanism of the dump truck is flexible and effective, and keep the technical conditions of the rest of the vehicle in good condition.
