First, turn two laps around the machine to check the appearance and mechanical chassis, and see whether there is oil outflow on slewing bearing. Then check the deceleration and braking device and bolt fastener of the track. Tighten the screw, and the change what need changing in time. If your excavator is wheel excavator, you need to check the wheel and pressure stability.
Check whether there is large wear of excavator bucket tooth. It is shown that the wear tooth will substantially increase the resistance of the construction process, seriously affect the work efficiency, and increase the wear degree of the equipment spare parts.
Check the bucket rod and cylinder to see if there is a crack or leakage. Check the battery electrolyte, avoiding it is at a low level line.
The air filter is to prevent a large number of dusts into the important parts of excavators, so it should be regularly checked and cleaned.
Often check the fuel, lubricating oil, hydraulic oil, coolant, and so on. Add the proper oil in accordance with the instructions, and keep it clean.
