Notes for special vehicle maintenance of drilling rig shared by the Truck Mounted Drilling Rig Supplier . Maintenance is an effective means to restore the performance of special vehicles and extend their service life. However, in the actual operation process, some use and maintenance personnel have a lot of wrong practices, affecting the normal use of special vehicles. 1. You can't just add oil without changing it Oil in the use of diesel engine is essential, mainly lubrication, cooling, cleaning and so on. Therefore, many drivers will pay attention to check the amount of lubricating oil and add it according to the standard, but ignore the quality of lubricating oil inspection and the replacement of the oil has deteriorated, resulting in some engine moving parts always operate in a poor lubrication environment, thus accelerating the wear of all parts. Under normal circumstances, oil consumption is not large, but it is easy to pollution, thus losing the protection of the d