Hydraulic excavator is one of the most popular construction machineries, but many users have not realized the proper method of operating of hydraulic excavators, resulting in damages or malfunction due to misoperation. Technical staff said that the manipulator must be clearly aware of hydraulic excavators operating procedures to avoid unnecessary mistakes and decrease the frequency of machine maintenance.

the Technical Preparations Before Operating the Hydraulic Excavators
1) The engine parts should be operated according to relevant general operating procedures.
2) Before starting up the engine, there should be operating signal from engine.
3) Check whether there is any leakage in the hydraulic system; if it is tire excavator, check whether the tires is intact, whether the air pressure is in compliance with the regulation; also need to check gearing, brake systems, rotary system instruments, meters, and after commissioning and verification, the excavator can be operated.
4) Learn more about the construction task and the working situation. Check the solidity and stability of the land where excavator is rest on in downtime, Wheel excavators should be added support to maintain it is stable and reliable. Check whether there is the road cutting or trench, slope, so that to prevent excavator overturning.
5) Strictly prohibit any person remain in the excavator operational areas. To prohibit any irrelated person get access to the cab.
6) The excavator operating site should have the road for the dump truck in and out.