1. Check if the hydraulic circuit of the highway guardrail piling machine is interrupted.

2. Change the engine oil of the guardrail piling machine on the highway. If the engine oil deteriorates or is used improperly, its temperature can become very high.

3. The main pump of the road piling machine is severely worn (basic component failure). Replace components such as the rocker arm assembly, pump casing, and plunger.

4. Wrap the hydraulic oil tank of the highway guardrail piling machine with a heat-insulating pad. The highway guardrail piling machine is a type of steel pipe piling machine for highway guardrails. It uses diesel power and fully hydraulic mechanical transmission. It features easy operation, high precision in positioning, durability, energy efficiency, and environmental friendliness. It is particularly suitable for the installation, maintenance, field repair, and construction of highway guardrails.

5. The oil temperature of the highway guardrail piling machine is too high.