Hydraulic engineering machinery in a long period of continuous work, due to the working environment and conditions: temperature, dust, vibration, fatigue injuries, wear and tear, touch damage and other phenomena, equipment maintenance is particularly important. Like a person's body - the same, constantly replenish nutrition, to maintain life without end, more than fighting.

1, to do routine maintenance and maintenance
To do routine maintenance requires daily routine three inspections: ① that is, before work to check the drilling rig.
① that is, before work to check whether the fastening of the various parts of the drilling rig is reliable.
② work to fully observe whether the leakage of oil, water, gas, electricity and so on.
③After the shutdown after work, we should do a comprehensive check to see if there are loose screws that need to be tightened, and replenish the oil, water and other work. In short, the daily maintenance to do: clean, lubricate, adjust, tighten.

2. Maintenance in a timely manner, to maintain a good
For the occurrence of faulty hydraulic machinery, should first identify the cause of the failure. Common failures are hydraulic cylinder leakage and internal leakage. Leakage is intuitively obvious, leakage should be judged by experience. Cylinder extension powerlessness, cylinder closing action fast or slow. Work half an hour after the surface temperature of the cylinder by hand, internal leakage cylinder temperature increases significantly, then need to replace the internal oil seal can be solved. Hydraulic pumps, drive motor pressure drop can not reach the maximum load, work powerless, this work failure in addition to the engine power drop, - in general, usually hydraulic pump pressure reduction, pressure safety valve is out of control, drive the motor within the oil disk surface wear caused by. To be determined according to the specific circumstances. The most common is the high-pressure oil pipe burst, replacement should not be greedy cheap, do not use fake oil pipe. The country's regular manufacturers of high-pressure hydraulic hose are with steel wire layer, with the regular production number.