After using a crawler foundation pile driver for a while, operators often notice a decline in piling capacity compared to when it was new. This is a common issue during construction. As the use of the hydraulic pile driver extends over time, it inevitably encounters some faults. Here, we will analyze the reasons for the weakened foundation pile driving capability.

I. Large External Load During Construction, Causing a Sharp Decline in Engine Speed:

1. Regularly check the engine power;

2. Check if the hydraulic displacement changes with constant power output. It is recommended to adjust the swash plate angle of the foundation pile driver, without affecting speed, to reduce hydraulic displacement.

Large External Load on the Pile Driver; Adjust Pressure if the Engine Does Not Slow Down:

II. Different manufacturers' foundation pile drivers use different hydraulic components and systems, so the pressure in the hydraulic cylinders naturally varies. Adjustments must be made according to the manufacturer's requirements;

If the pressure of the relief valve cannot be adjusted, check the condition of the safety valve, the adjustment system of the hydraulic pump, and components like the hydraulic pump cylinder.