1. When overhauling the dump truck, the gear lever should be placed in the neutral position, and safety measures such as braking and wheel cover should be taken. For example, when carrying out the maintenance work of the carriage when the carriage is lifted, safety protection measures such as effective support must be taken.
2. After the engine of the dump truck is extinguished, check the ammeter for leakage. At the same time, check the cabin lift alarms, indicator lights, etc. in the cab, which must be complete and effective.
3. Clean the whole car, check the screw locking of all parts, check the tires and steel rings, leaf springs, lifting ears, riding bolts, etc.
4. Check the supplementary lubricating oil, fuel oil, hydraulic oil, etc., and check whether there is any leakage at the joints of each pipeline.
